{"id":5005,"date":"2026-03-23T13:48:27","date_gmt":"2026-03-23T12:48:27","guid":{"rendered":"https:\/\/alkion.eu\/service\/testneni-vzduchotechniky-v-novostavbach\/"},"modified":"2026-09-15T12:08:16","modified_gmt":"2026-09-15T11:08:16","slug":"ductwork-sealing-in-new-builds-pre-inspections","status":"publish","type":"service","link":"https:\/\/alkion.eu\/en\/service\/ductwork-sealing-in-new-builds-pre-inspections\/","title":{"rendered":"Ductwork Sealing in New Builds &#038; Pre-Inspections"},"content":{"rendered":"<section id=\"service-intro-block_72614fb1c42b2b0dce7a0fa53256a945\" class=\"header-block service-intro-section section section--full c--white padding\">\r\n\t<div class=\"service-intro-section__bg-wrapper\"><img decoding=\"async\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/tesneni-vzduchotechniky-1700x576.jpg\"\r\n\t\tsrcset=\"\r\n\t\t\t\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/tesneni-vzduchotechniky-70x24.jpg 70w,\r\n\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/tesneni-vzduchotechniky-150x51.jpg 150w,\r\n\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/tesneni-vzduchotechniky-190x64.jpg 190w,\r\n\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/tesneni-vzduchotechniky-300x102.jpg 350w,\r\n\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/tesneni-vzduchotechniky-400x136.jpg 400w,\r\n\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/tesneni-vzduchotechniky-470x159.jpg 470w,\r\n\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/tesneni-vzduchotechniky-550x186.jpg 550w,\r\n\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/tesneni-vzduchotechniky-768x260.jpg 768w,\r\n\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/tesneni-vzduchotechniky-1024x347.jpg 900w,\r\n\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/tesneni-vzduchotechniky-1440x488.jpg 1440w,\r\n\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/tesneni-vzduchotechniky-1700x576.jpg 1700w\"\r\n\t\tsizes=\"100vw\"\r\n\t\tclass=\"service-intro-section__bg-image\"\r\n\t\talt=\"Alkion - Ductwork Sealing in New Builds &#038; Pre-Inspections\"\r\n\t\tfetchpriority=\"high\"\r\n\t\twidth=\"2306\"\r\n\t\theight=\"915\"\r\n\t><\/div>\r\n\t<div class=\"service-intro grid-x width width--general\">\r\n\t\t<div class=\"small-12 medium-6\">\r\n\t\t\t\t\t\t<header class=\"service-intro__header grid-x\">\r\n\t\t\t\t\t\t\t\t\t<div class=\"service-intro__icon cell shrink\" style=\"padding-right: 20px;\">\r\n\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2022\/08\/budovy_intro.svg\"\r\n\t\t\t\t\t\t\tsrcset=\"\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2022\/08\/budovy_intro.svg 150w,\r\n\t\t\t\t\t\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2022\/08\/budovy_intro.svg 190w,\r\n\t\t\t\t\t\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2022\/08\/budovy_intro.svg 350w,\r\n\t\t\t\t\t\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2022\/08\/budovy_intro.svg 400w,\r\n\t\t\t\t\t\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2022\/08\/budovy_intro.svg 470w,\r\n\t\t\t\t\t\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2022\/08\/budovy_intro.svg 550w,\r\n\t\t\t\t\t\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2022\/08\/budovy_intro.svg 768w,\r\n\t\t\t\t\t\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2022\/08\/budovy_intro.svg 900w,\r\n\t\t\t\t\t\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2022\/08\/budovy_intro.svg 1440w,\r\n\t\t\t\t\t\t\t\thttps:\/\/alkion.eu\/wp-content\/uploads\/2022\/08\/budovy_intro.svg 1700w\"\r\n\t\t\t\t\t\t\tsizes=\"\r\n\t\t\t\t\t\t\t\t120px\"\r\n\t\t\t\t\t\t\tclass=\"medium-4 small-6 align-self-middle text-right\"\r\n\t\t\t\t\t\t\talt=\"Ductwork Sealing in New Builds &#038; Pre-Inspections\"\r\n\t\t\t\t\t\t\twidth=\"136\"\r\n\t\t\t\t\t\t\theight=\"131\"\r\n\t\t\t\t\t\t>\r\n\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<h1 class=\"service-intro__heading cell auto no-decor\">Ductwork Sealing in New Builds &#038; Pre-Inspections<\/h1>\r\n\t\t\t<\/header>\r\n\t\t\t\t\t\t\t<div class=\"section__paragraph width--thin no-padding\"><p>Are you looking for a&nbsp;reliable way to meet airtightness standards for your new HVAC system? Want to be absolutely sure it will perform exactly as designed? Do you want to save time on installation and avoid costly future repairs?<\/p>\n<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t<footer class=\"small-12\">\r\n\t\t\t\t\t\t\t\t\t<a  href=\"#jak-zacit\"\n\t\t\t\t\tclass=\"button button--arrow-right\"\n\t\t\t\t>\n\t\t\t\t\tLearn more\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t<a  href=\"#jak-aeroseal-funguje\"\n\t\t\t\t\tclass=\"button button--secondary button--arrow-right\"\n\t\t\t\t>\n\t\t\t\t\tHow it works?\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/footer>\r\n\t\t\t\t\t<\/div>\r\n\t\t<div class=\"service-intro__image small-12 medium-6 grid-x align-center align-middle\">\r\n\t\t\t\t\t<\/div>\r\n\t<\/div>\r\n<\/section>\n\n\t<section data-block-type=\"card-centered\" id=\"jak-zacit\" class=\"boxes-section width width--general grid-x grid-padding-x align-middle margin--top margin--bottom-2x padding text-center\">\n\t\t<div class=\"small-12\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"section__claim\">How to Get Started<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"text-center section__title\">Why Address Duct Leakage and What Are the Benefits of AEROSEAL?<\/h2>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"text-center section__paragraph\"><p>Despite the common belief that HVAC systems in new buildings are installed correctly and will function properly, the reality is often more complicated. Achieving the designed airtightness class\u2014often B or C\u2014is challenging for large systems. That\u2019s why AEROSEAL can help you!<\/p>\n<\/div>\n\t\t\t\t\t<\/div>\n\t\t<div class=\"grid-x boxes small-12\">\n\t\t\t\t\t\t\t<div class=\"boxes__item box cell small-12 medium-4 grid-y padding-05x\">\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"box__icon-wrapper box__icon-wrapper--m align-self-middle\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/norma.svg\" alt=\"Guarantee\" width=\"112\" height=\"109\" loading=\"lazy\" class=\"box__icon\">\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3 class=\"box__title no-decor\">Guarantee<\/h3>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"box__text\">Guaranteed Class D airtightness in accordance with standards.<\/p>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"boxes__item box cell small-12 medium-4 grid-y padding-05x\">\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"box__icon-wrapper box__icon-wrapper--m align-self-middle\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/icon-ruler-1.svg\" alt=\"Flexibility\" width=\"112\" height=\"109\" loading=\"lazy\" class=\"box__icon\">\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3 class=\"box__title no-decor\">Flexibility<\/h3>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"box__text\">Sealing of gaps up to 1.5 cm in diameter.<\/p>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"boxes__item box cell small-12 medium-4 grid-y padding-05x\">\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"box__icon-wrapper box__icon-wrapper--m align-self-middle\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/rychlost_bez_cekani.svg\" alt=\"Speed\" width=\"112\" height=\"109\" loading=\"lazy\" class=\"box__icon\">\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h3 class=\"box__title no-decor\">Speed<\/h3>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"box__text\">Sealing of hundreds of square meters of ductwork per hour.<\/p>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t<\/section>\n\n\n<section id=\"jak-aeroseal-funguje\" class=\"column-2-image section margin--bottom--2x grid-x with-button\">\n\t\n\t<div class=\"column-2-image__content small-12 medium-6 grid-x align-middle pd-right\">\n\t\t<div>\n\t\t\t<div class=\"section__claim\">Technologie<\/div>\n\t\t\t<h2>How Does AEROSEAL Work?<\/h2><div class=\"section__paragraph el--shifted\"><p>We apply a&nbsp;special, health-safe sealing agent in the form of a&nbsp;fine mist (aerosol) to the HVAC ductwork. This mist flows through the entire system, and in areas where air is leaking, the aerosol particles begin to settle and fill the gaps. Through gradual layering, the gaps are completely sealed, and the material subsequently hardens permanently.<\/p>\n<\/div><div class=\"el--shifted\"><a href=\"https:\/\/alkion.eu\/cs\/kontakt\/\"\n\t\t\t\t\t\t\t class=\"button button--arrow-right\">Yes, I&nbsp;am interested<\/a><\/div><!-- \/.el--shifted -->\t\t<\/div>\n\t<\/div>\n\n\t\t\t<div class=\"small-12 medium-6 grid-x align-middle\">\n\t\t\t\t\t\t\t\t\t<div class=\"oembed-wrapper small-12\">\n\t\t\t\t\t\t\t<div class=\"oembed-wrapper__wrap\">\n\t\t\t\t\t\t\t\t<iframe loading=\"lazy\" title=\"Zat\u011bsn\u00edme Va\u0161e potrub\u00ed a Vy uspo\u0159\u00edte na energi\u00edch. Jak na to? Pomoc\u00ed technologie AEROSEAL.\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/fNrH5L_sc0w?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t<\/section>\n\n<section id=\"aeroseal-model-block_004eff836b500be5d76cb848198af864\" data-id=\"aeroseal-model-block_004eff836b500be5d76cb848198af864\" class=\"gt-block aeroseal-model width width--general align-middle margin--top margin--bottom-2x padding\">\n    <div class=\"interactive\">\n        <div class=\"interactive__inner\">\n            <div id=\"interactive-scheme-anchor\" style=\"position: absolute;margin-top:-45px;\"><\/div>\n            <figure class=\"interactive__image-wrap\">\n                                    <figure class=\"interactive__image\">\n                        <img decoding=\"async\" width=\"1024\" height=\"510\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-interactive-schema-1024x510.png\" class=\"\" alt=\"AEROSEAL sch\u00e9ma\" loading=\"lazy\" srcset=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-interactive-schema-1024x510.png 1024w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-interactive-schema-300x149.png 300w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-interactive-schema-150x75.png 150w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-interactive-schema-768x383.png 768w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-interactive-schema-1536x765.png 1536w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-interactive-schema-2048x1020.png 2048w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-interactive-schema-70x35.png 70w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-interactive-schema-190x95.png 190w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-interactive-schema-400x199.png 400w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-interactive-schema-470x234.png 470w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-interactive-schema-550x274.png 550w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-interactive-schema-1440x717.png 1440w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-interactive-schema-1700x847.png 1700w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/>                                                                                                                                                                                                                        <figure style=\"left:39%;top:25%;\" class=\"interactive__part\" data-scheme-part=\"0\" onmouseleave=\"hideSchemePart(0)\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-utesneni-mezer-300x300.png\" class=\"attachment-medium size-medium\" alt=\"uk\u00e1zka ut\u011bsn\u011bn\u00ed mezer ve vzduchotechnice\" loading=\"lazy\" srcset=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-utesneni-mezer-300x300.png 300w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-utesneni-mezer-150x150.png 150w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-utesneni-mezer-70x70.png 70w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-utesneni-mezer-190x190.png 190w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-utesneni-mezer-400x400.png 400w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-utesneni-mezer-470x470.png 470w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-utesneni-mezer.png 522w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n                                    <span class=\"interactive__plus\" style=\"left:39%;top:25%;\" onmouseenter=\"showSchemePart(0)\" onclick=\"schemeIntoView()\">+<\/span>\n                                                                                                                                                                                                                                <figure style=\"left:53%;top:70%;\" class=\"interactive__part\" data-scheme-part=\"1\" onmouseleave=\"hideSchemePart(1)\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-aplikace-300x300.png\" class=\"attachment-medium size-medium\" alt=\"uk\u00e1zka aplikace aeroseal\" loading=\"lazy\" srcset=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-aplikace-300x300.png 300w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-aplikace-150x150.png 150w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-aplikace-70x70.png 70w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-aplikace-190x190.png 190w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-aplikace-400x400.png 400w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-aplikace-470x470.png 470w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-aplikace.png 522w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n                                    <span class=\"interactive__plus\" style=\"left:53%;top:70%;\" onmouseenter=\"showSchemePart(1)\" onclick=\"schemeIntoView()\">+<\/span>\n                                                                                                                                                                                                                                <figure style=\"left:66%;top:25.4%;\" class=\"interactive__part\" data-scheme-part=\"2\" onmouseleave=\"hideSchemePart(2)\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-pristup-300x300.png\" class=\"attachment-medium size-medium\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-pristup-300x300.png 300w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-pristup-150x150.png 150w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-pristup-70x70.png 70w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-pristup-190x190.png 190w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-pristup-400x400.png 400w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-pristup-470x470.png 470w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-pristup.png 522w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n                                    <span class=\"interactive__plus\" style=\"left:66%;top:25.4%;\" onmouseenter=\"showSchemePart(2)\" onclick=\"schemeIntoView()\">+<\/span>\n                                                                                                                                                                                                                                <figure style=\"left:17%;top:60%;\" class=\"interactive__part\" data-scheme-part=\"3\" onmouseleave=\"hideSchemePart(3)\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-snizeni-netesnosti-300x300.png\" class=\"attachment-medium size-medium\" alt=\"uk\u00e1zka sn\u00ed\u017een\u00ed net\u011bsnosti ve vzduchotechnice\" loading=\"lazy\" srcset=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-snizeni-netesnosti-300x300.png 300w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-snizeni-netesnosti-150x150.png 150w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-snizeni-netesnosti-70x70.png 70w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-snizeni-netesnosti-190x190.png 190w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-snizeni-netesnosti-400x400.png 400w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-snizeni-netesnosti-470x470.png 470w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-snizeni-netesnosti.png 522w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n                                    <span class=\"interactive__plus\" style=\"left:17%;top:60%;\" onmouseenter=\"showSchemePart(3)\" onclick=\"schemeIntoView()\">+<\/span>\n                                                                                                        <\/figure>\n                            <\/figure>\n            <div class=\"interactive__navigation\" data-equal=\"title\" data-equal-in-row=\"1\">\n                                                                                    <div class=\"navbox\" data-target-scheme-part=\"0\" onmouseenter=\"showSchemePart(0)\" onmouseleave=\"hideSchemePart(0)\" onclick=\"schemeIntoView()\">\n                                                            <figure class=\"navbox__icon\">\n                                     <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"52\" height=\"53\" viewBox=\"0 0 52 53\" fill=\"none\"><path d=\"M6.10627 10.2334L26 0.653103L45.8937 10.2334L50.8071 31.7602L37.0402 49.0233H14.9598L1.19292 31.7602L6.10627 10.2334Z\" stroke=\"currentcolor\"><\/path><path d=\"M32.6667 14.0981L38 19.4315L19.3333 38.0981L14 32.7648L32.6667 14.0981Z\" stroke=\"currentcolor\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><path d=\"M31.3333 19.4314L29.3333 17.4314\" stroke=\"currentcolor\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><path d=\"M27.3333 23.4314L25.3333 21.4314\" stroke=\"currentcolor\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><path d=\"M23.3333 27.4314L21.3333 25.4314\" stroke=\"currentcolor\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><path d=\"M19.3333 31.4314L17.3333 29.4314\" stroke=\"currentcolor\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg>                                 <\/figure>\n                                                                                        <h3 class=\"navbox__title no-decor\" data-equal-watch=\"title\">Seals gaps with diameters up to 1.5 cm<\/h3>\n                                                    <\/div>\n                                                                    <div class=\"navbox\" data-target-scheme-part=\"1\" onmouseenter=\"showSchemePart(1)\" onmouseleave=\"hideSchemePart(1)\" onclick=\"schemeIntoView()\">\n                                                            <figure class=\"navbox__icon\">\n                                     <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"52\" height=\"53\" viewBox=\"0 0 52 53\" fill=\"none\"><path d=\"M6.10627 10.2334L26 0.653103L45.8937 10.2334L50.8071 31.7602L37.0402 49.0233H14.9598L1.19292 31.7602L6.10627 10.2334Z\" stroke=\"currentcolor\"><\/path><path d=\"M17.5147 35.9169C15.8365 34.2386 14.6936 32.1004 14.2306 29.7727C13.7676 27.4449 14.0052 25.0321 14.9135 22.8394C15.8217 20.6467 17.3598 18.7726 19.3332 17.454C21.3066 16.1354 23.6266 15.4316 26 15.4316C28.3734 15.4316 30.6934 16.1354 32.6668 17.454C34.6402 18.7726 36.1783 20.6467 37.0865 22.8394C37.9948 25.0321 38.2324 27.4449 37.7694 29.7727C37.3064 32.1004 36.1636 34.2386 34.4853 35.9169\" stroke=\"currentcolor\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><path d=\"M31.3333 22.0981L26 27.4315\" stroke=\"currentcolor\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg>                                 <\/figure>\n                                                                                        <h3 class=\"navbox__title no-decor\" data-equal-watch=\"title\">Quick application in several hours<\/h3>\n                                                    <\/div>\n                                                                    <div class=\"navbox\" data-target-scheme-part=\"2\" onmouseenter=\"showSchemePart(2)\" onmouseleave=\"hideSchemePart(2)\" onclick=\"schemeIntoView()\">\n                                                            <figure class=\"navbox__icon\">\n                                     <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"52\" height=\"52\" viewBox=\"0 0 52 52\" fill=\"none\"><path d=\"M6.09971 10.0999L25.9997 0.599854L45.8997 10.1999L50.7997 31.6999L36.9997 48.8999H14.9997L1.19971 31.6999L6.09971 10.0999Z\" stroke=\"currentcolor\"><\/path><path d=\"M24.3902 12.5H14.1502C13.2402 12.5 12.4502 13.21 12.4502 14.14V24.47C12.4502 25.42 13.2102 26.17 14.1602 26.17H24.2102C24.1902 25.95 24.1802 25.74 24.1802 25.53V25.51H14.1102C13.5402 25.51 13.1002 25.03 13.1002 24.47V14.14C13.1102 13.61 13.5802 13.16 14.1102 13.16H24.3902C24.9802 13.16 25.4602 13.59 25.4602 14.19V21.86C25.6502 21.6 25.8702 21.36 26.1102 21.15V14.19C26.1102 13.23 25.3402 12.5 24.3902 12.5ZM25.4602 22.73V24.47C25.4602 24.96 25.1502 25.35 24.6802 25.48V25.53C24.6802 25.73 24.6902 25.93 24.7202 26.13C25.1102 26.07 25.4502 25.87 25.6802 25.59V25.53C25.6802 24.85 25.8302 24.21 26.1102 23.64V21.87C25.8602 22.13 25.6402 22.42 25.4602 22.73Z\" fill=\"currentcolor\"><\/path><path d=\"M25.04 19.3301C25.04 22.5101 22.46 25.0901 19.28 25.0901C16.1 25.0901 13.52 22.5101 13.52 19.3301C13.52 16.1501 16.1 13.5701 19.28 13.5701C22.46 13.5701 25.04 16.1501 25.04 19.3301ZM24.38 19.3301C24.38 16.5101 22.1 14.2301 19.28 14.2301C16.46 14.2301 14.18 16.5101 14.18 19.3301C14.18 22.1501 16.46 24.4301 19.28 24.4301C22.1 24.4301 24.38 22.1501 24.38 19.3301Z\" fill=\"currentcolor\"><\/path><path d=\"M23.7803 19.3301C23.7803 21.8101 21.7703 23.8301 19.2803 23.8301C16.7903 23.8301 14.7803 21.8201 14.7803 19.3301C14.7803 16.8401 16.7903 14.8301 19.2803 14.8301C21.7703 14.8301 23.7803 16.8401 23.7803 19.3301ZM23.1203 19.3301C23.1203 17.2101 21.4003 15.4901 19.2803 15.4901C17.1603 15.4901 15.4403 17.2101 15.4403 19.3301C15.4403 21.4501 17.1603 23.1701 19.2803 23.1701C21.4003 23.1701 23.1203 21.4501 23.1203 19.3301Z\" fill=\"currentcolor\"><\/path><path d=\"M19.3502 22.4299C18.2502 22.8899 16.7002 22.3899 16.7802 21.4199C16.8102 21.1199 17.0002 20.8799 17.3002 20.7399L17.8702 20.4699C18.0402 20.3899 18.1602 20.2799 18.3002 20.1099H17.2502C16.7702 20.0999 16.3502 19.8299 16.1702 19.3699C15.7502 18.2999 16.2202 16.7799 17.1702 16.8399C17.4602 16.8599 17.7202 17.0299 17.8602 17.3199L18.1302 17.8899C18.2202 18.0799 18.3402 18.2199 18.5102 18.3699V17.2799C18.5202 16.8099 18.8002 16.4099 19.2502 16.2299C20.3302 15.7999 21.8402 16.2799 21.7902 17.2099C21.7802 17.4899 21.6202 17.7699 21.3302 17.8999L20.7902 18.1499C20.5902 18.2499 20.4202 18.3499 20.2702 18.5599H21.3202C21.8202 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19.2099H20.3202L20.2702 19.6599C20.6202 19.8499 20.8602 20.1399 21.0202 20.4999L21.2702 21.0399C21.3002 21.0899 21.4102 21.1699 21.4602 21.1799C21.7102 21.2099 22.0402 20.3199 21.7902 19.5899L21.8102 19.5799ZM19.4002 21.3399V20.3699L18.9602 20.3199C18.7802 20.6499 18.5002 20.8999 18.1402 21.0699L17.5402 21.3499C17.5402 21.3499 17.4302 21.4999 17.4302 21.5499C17.4302 21.5999 17.5002 21.6899 17.5602 21.7199C18.2802 22.1099 19.4002 22.0299 19.4002 21.3399Z\" fill=\"currentcolor\"><\/path><path d=\"M35.5602 25.2201L34.5102 26.2701C34.2002 28.1401 32.7302 29.6101 30.8602 29.9201L30.7102 30.0701L29.8202 30.9601C29.9202 30.9801 30.0302 30.9801 30.1302 30.9801C31.2502 30.9801 32.2902 30.6401 33.1502 30.0701C34.6102 29.0901 35.5802 27.4201 35.5802 25.5301C35.5802 25.4301 35.5802 25.3201 35.5602 25.2201ZM25.6802 25.5901V25.5301C25.6802 24.8501 25.8302 24.2101 26.1102 23.6401C26.8202 22.1201 28.3602 21.0801 30.1302 21.0801C32.0902 21.0801 33.7502 22.3401 34.3402 24.1001L35.1102 23.3301C34.2702 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stroke-linejoin=\"round\"><\/path><\/svg>                                 <\/figure>\n                                                                                        <h3 class=\"navbox__title no-decor\" data-equal-watch=\"title\">No requirement for physical access to the entire ductwork distribution system<\/h3>\n                                                    <\/div>\n                                                                    <div class=\"navbox\" data-target-scheme-part=\"3\" onmouseenter=\"showSchemePart(3)\" onmouseleave=\"hideSchemePart(3)\" onclick=\"schemeIntoView()\">\n                                                            <figure class=\"navbox__icon\">\n                                     <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"52\" height=\"52\" viewBox=\"0 0 52 52\" fill=\"none\"><path d=\"M6.10628 10.1353L26 0.554962L45.8937 10.1353L50.8071 31.6621L37.0402 48.9252H14.9598L1.19293 31.6621L6.10628 10.1353Z\" stroke=\"currentcolor\"><\/path><path d=\"M15.7718 19.96C19.0014 17.806 22.2311 17.806 25.4608 19.96C28.6904 22.1141 31.9201 22.1141 35.1498 19.96\" stroke=\"currentcolor\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><path d=\"M15.7718 30.7275C19.0015 28.5734 22.2312 28.5734 25.4608 30.7275C25.6141 30.8297 25.7673 30.9261 25.9206 31.017\" stroke=\"currentcolor\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><path d=\"M15.7718 25.3438C19.0015 23.1897 22.2312 23.1897 25.4608 25.3438C26.8997 26.303 28.3414 26.8366 29.7803 26.9387\" stroke=\"currentcolor\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><path d=\"M32.9986 29.6519V36.1112\" stroke=\"currentcolor\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><path d=\"M36.2283 32.8816L32.9986 36.1112L29.769 32.8816\" stroke=\"currentcolor\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg>                                 <\/figure>\n                                                                                        <h3 class=\"navbox__title no-decor\" data-equal-watch=\"title\">More than 90&nbsp;% decrease in leaks<\/h3>\n                                                    <\/div>\n                                                <\/div>\n        <\/div>\n    <\/div><!-- \/.interactive -->\n\t<script>\n\t\tconst iia = document.getElementById('interactive-scheme-anchor');\n\t\tfunction showSchemePart(key) {\n\t\t\tjQuery('.interactive__part[data-scheme-part=\"'+key+'\"]').addClass('hover');\n\t\t\tjQuery('.navbox[data-target-scheme-part=\"'+key+'\"]').addClass('hover');\n\t\t}\n\t\tfunction hideSchemePart(key) {\n\t\t\tresetSchemeActivePart();\n\t\t\tjQuery('.interactive__part[data-scheme-part=\"'+key+'\"]').removeClass('hover');\n\t\t\tjQuery('.navbox[data-target-scheme-part=\"'+key+'\"]').removeClass('hover');\n\t\t}\n\t\tfunction resetSchemeActivePart() {\n\t\t\tjQuery('.interactive__part.hover').removeClass('hover');\n\t\t\tjQuery('.navbox.hover').removeClass('hover');\n\t\t}\n\t\tfunction schemeIntoView() {\n\t\t\tiia.scrollIntoView({behavior:\"smooth\"});\n\t\t}\n\t<\/script>\n<\/section>\n\n\n\n<section id=\"slider-card-block_170060856c4564afdbaf8be627d4400e\" data-id=\"slider-card-block_170060856c4564afdbaf8be627d4400e\" class=\"gt-block slider-card  margin--top-2x margin--bottom-2x\">\n    <div class=\"content width width--general align-middle\">\n                \n        <div class=\"items\">\n            <article id=\"slider-card-block_170060856c4564afdbaf8be627d4400e_slide_1\" data-number=\"1\"><div class=\"text\"><div><div class=\"claim\">How does the whole process work<\/div><h2 class=\"title\">01 Measuring the leakage<\/h2><p>We conduct an air-leakage test of your ductwork. We assess the current state of your HVAC system and find out the amount of the ductwork leakage. We then set up the next phase.<\/p>\n<a href=\"\/en\/contact\/\" class=\"button button--arrow-right\">I am interested in the leakage test<\/a><\/div><\/div><!-- \/.text --><div class=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"998\" height=\"761\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-01mereni.png\" class=\"attachment-large size-large\" alt=\"M\u011b\u0159en\u00ed t\u011bsnosti VZT\" srcset=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-01mereni.png 998w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-01mereni-300x229.png 300w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-01mereni-150x114.png 150w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-01mereni-768x586.png 768w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-01mereni-70x53.png 70w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-01mereni-190x145.png 190w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-01mereni-400x305.png 400w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-01mereni-470x358.png 470w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-01mereni-550x419.png 550w\" sizes=\"auto, (max-width: 998px) 100vw, 998px\" \/><span>01<\/span><\/div><!-- \/.image --><\/article><article id=\"slider-card-block_170060856c4564afdbaf8be627d4400e_slide_2\" data-number=\"2\"><div class=\"text\"><div><div class=\"claim\">How does the whole process work<\/div><h2 class=\"title\">02 HVAC documentation<\/h2><p>In order to seal the whole ductwork, we go through the HVAC documentation including HVAC unit parameters and assess ductwork installation to ensure a&nbsp;smooth and quick process of sealing.<\/p>\n<a href=\"\/en\/contact\/\" class=\"button button--arrow-right\">I am interested in a&nbsp;ductwork sealing<\/a><\/div><\/div><!-- \/.text --><div class=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/72-dokumentace1-1024x576.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/72-dokumentace1-1024x576.jpg 1024w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/72-dokumentace1-300x169.jpg 300w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/72-dokumentace1-150x84.jpg 150w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/72-dokumentace1-768x432.jpg 768w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/72-dokumentace1-1536x864.jpg 1536w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/72-dokumentace1-2048x1152.jpg 2048w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/72-dokumentace1-70x39.jpg 70w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/72-dokumentace1-190x107.jpg 190w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/72-dokumentace1-400x225.jpg 400w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/72-dokumentace1-470x264.jpg 470w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/72-dokumentace1-550x309.jpg 550w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/72-dokumentace1-1440x810.jpg 1440w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/72-dokumentace1-1700x956.jpg 1700w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span>02<\/span><\/div><!-- \/.image --><\/article><article id=\"slider-card-block_170060856c4564afdbaf8be627d4400e_slide_3\" data-number=\"3\"><div class=\"text\"><div><div class=\"claim\">How does the whole process work<\/div><h2 class=\"title\">03 Sealing the ductwork<\/h2><p>We divide the ductwork into sections, pressurize it and let the aerosol in. Aerosol crystallizes only in the areas of decreased air pressure where the leaks occur. These areas are then sealed.<\/p>\n<a href=\"\/en\/contact\/\" class=\"button button--arrow-right\">I am interested in a&nbsp;ductwork sealing<\/a><\/div><\/div><!-- \/.text --><div class=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"577\" height=\"1024\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-03-tesneni-577x1024.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-03-tesneni-577x1024.jpg 577w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-03-tesneni-169x300.jpg 169w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-03-tesneni-84x150.jpg 84w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-03-tesneni-768x1364.jpg 768w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-03-tesneni-865x1536.jpg 865w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-03-tesneni-1153x2048.jpg 1153w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-03-tesneni-70x124.jpg 70w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-03-tesneni-190x337.jpg 190w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-03-tesneni-400x710.jpg 400w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-03-tesneni-470x835.jpg 470w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-03-tesneni-550x977.jpg 550w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-03-tesneni-1440x2558.jpg 1440w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-03-tesneni-1700x3020.jpg 1700w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/74-03-tesneni-scaled.jpg 1441w\" sizes=\"auto, (max-width: 577px) 100vw, 577px\" \/><span>03<\/span><\/div><!-- \/.image --><\/article><article id=\"slider-card-block_170060856c4564afdbaf8be627d4400e_slide_4\" data-number=\"4\"><div class=\"text\"><div><div class=\"claim\">How does the whole process work<\/div><h2 class=\"title\">04 Confirming the tightness<\/h2><p>After sealing the ductwork we measure the new airtightness class of the duct to make sure we reached the required tightness class. This goal is usually set as ATC3 (C).<\/p>\n<a href=\"\/en\/contact\/\" class=\"button button--arrow-right\">I am interested in a&nbsp;ductwork sealing<\/a><\/div><\/div><!-- \/.text --><div class=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"522\" height=\"522\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-aplikace.png\" class=\"attachment-large size-large\" alt=\"uk\u00e1zka aplikace aeroseal\" srcset=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-aplikace.png 522w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-aplikace-300x300.png 300w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-aplikace-150x150.png 150w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-aplikace-70x70.png 70w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-aplikace-190x190.png 190w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-aplikace-400x400.png 400w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/aeroseal-aplikace-470x470.png 470w\" sizes=\"auto, (max-width: 522px) 100vw, 522px\" \/><span>04<\/span><\/div><!-- \/.image --><\/article>        <\/div><!-- \/.items -->\n        \n\t\t<div class=\"navigation-wrapper\">\n\t\t\t<div class=\"navigation\">\n\t\t\t\t<ul class=\"links\">\n                    <li><a href=\"#slider-card-block_170060856c4564afdbaf8be627d4400e_slide_1\" data-number=\"1\" class=\"active\">01 Measuring<\/a><\/li><li><a href=\"#slider-card-block_170060856c4564afdbaf8be627d4400e_slide_2\" data-number=\"2\" class=\"\">02 HVAC documentation<\/a><\/li><li><a href=\"#slider-card-block_170060856c4564afdbaf8be627d4400e_slide_3\" data-number=\"3\" class=\"\">03 Sealing the ductwork<\/a><\/li><li><a href=\"#slider-card-block_170060856c4564afdbaf8be627d4400e_slide_4\" data-number=\"4\" class=\"\">04 Confirming the tightness<\/a><\/li>                <\/ul>\n\t\t\t\t<div class=\"arrows\">\n\t\t\t\t\t<button class=\"navigation__prev slick-prev\" title=\"Previous\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 14.81 7.88\"><line y1=\"3.94\" x2=\"13.39\" y2=\"3.94\" style=\"fill:none;stroke-miterlimit:10;stroke-width:2px\"\/><polyline points=\"10.16 0.71 13.39 3.94 10.16 7.18\" style=\"fill:none;stroke-miterlimit:10;stroke-width:2px\"\/><\/svg><\/button>\n\t\t\t\t\t<button class=\"navigation__next slick-next\" title=\"Next\"><\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n    <\/div><!-- \/.content -->\n<\/section>\n<script>\n    document.addEventListener( 'DOMContentLoaded', function () {\n        var $slider = jQuery( '#slider-card-block_170060856c4564afdbaf8be627d4400e .items' );\n        var $links = jQuery( '#slider-card-block_170060856c4564afdbaf8be627d4400e .links a' );\n\n        function update_active_link( current_slide ) {\n            $links.removeClass( 'active' );\n            $links.filter( '[data-number=\"' + ( current_slide + 1 ) + '\"]' ).addClass( 'active' );\n        }\n\n        $slider.on( 'init', function ( event, slick ) {\n            update_active_link( slick.currentSlide );\n        } );\n\n        $slider.on( 'afterChange', function ( event, slick, current_slide ) {\n            update_active_link( current_slide );\n        } );\n\n        $slider.slick({\n            dots: true,\n            fade: true,\n            infinite: true,\n            slidesToShow: 1,\n            appendDots: null,\n            prevArrow: jQuery( '#slider-card-block_170060856c4564afdbaf8be627d4400e .navigation__prev' ),\n            nextArrow: jQuery( '#slider-card-block_170060856c4564afdbaf8be627d4400e .navigation__next' ),\n        });\n\n        $links.on( 'click', function ( e ) {\n            e.preventDefault();\n\n            var slide_index = parseInt( jQuery( this ).attr( 'data-number' ), 10 ) - 1;\n\n            if ( ! isNaN( slide_index ) ) {\n                $slider.slick( 'slickGoTo', slide_index );\n            }\n        } );\n    } );\n<\/script>\n\n\n\n<section id=\"cards-block_64690eeff62568825929d97d3bd14e85\" data-id=\"cards-block_64690eeff62568825929d97d3bd14e85\" class=\"gt-block cards  margin--top-2x margin--bottom-2x\">\r\n    <div class=\"content width width--general align-middle text-center\">\r\n        <div class=\"text\"><h2 class=\"section__title text-center\">Our Measurement and Sealing Technology<\/h2><\/div><!-- \/.text -->        \r\n        <div class=\"items\">\r\n            <article><div class=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-wohler-dp700-1024x577.jpg\" class=\"attachment-large size-large\" alt=\"p\u0159\u00edstroj wohler dp 700\" srcset=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-wohler-dp700-1024x577.jpg 1024w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-wohler-dp700-300x169.jpg 300w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-wohler-dp700-150x84.jpg 150w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-wohler-dp700-768x432.jpg 768w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-wohler-dp700-1536x865.jpg 1536w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-wohler-dp700-2048x1153.jpg 2048w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-wohler-dp700-70x39.jpg 70w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-wohler-dp700-190x107.jpg 190w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-wohler-dp700-400x225.jpg 400w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-wohler-dp700-470x265.jpg 470w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-wohler-dp700-550x310.jpg 550w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-wohler-dp700-1440x811.jpg 1440w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-wohler-dp700-1700x957.jpg 1700w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><!-- \/.image --><div class=\"text\"><h3>Woehler DP700<\/h3>\n<p>To measure the airtightness of HVAC ductwork, we use a&nbsp;certified device from Wohler. The device undergoes annual calibration at an independent laboratory so that we can rely on the measurement results.<\/p>\n<\/div><!-- \/.text --><\/article><article><div class=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-aeroseal-1024x577.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-aeroseal-1024x577.jpg 1024w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-aeroseal-300x169.jpg 300w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-aeroseal-150x84.jpg 150w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-aeroseal-768x432.jpg 768w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-aeroseal-1536x865.jpg 1536w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-aeroseal-2048x1153.jpg 2048w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-aeroseal-70x39.jpg 70w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-aeroseal-190x107.jpg 190w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-aeroseal-400x225.jpg 400w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-aeroseal-470x265.jpg 470w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-aeroseal-550x310.jpg 550w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-aeroseal-1440x811.jpg 1440w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-aeroseal-1700x957.jpg 1700w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><!-- \/.image --><div class=\"text\"><h3>Aeroseal<\/h3>\n<p>For sealing HVAC ductwork, we use the licensed, patented Aeroseal technology, which is unrivaled worldwide. We are official Aeroseal partners, and our technicians are trained in the application and use of this technology.<\/p>\n<\/div><!-- \/.text --><\/article><article><div class=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-prislusenstvi-1024x576.jpg\" class=\"attachment-large size-large\" alt=\"alkion modern\u00ed p\u0159\u00edslu\u0161enstv\u00ed\" srcset=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-prislusenstvi-1024x576.jpg 1024w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-prislusenstvi-300x169.jpg 300w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-prislusenstvi-150x84.jpg 150w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-prislusenstvi-768x432.jpg 768w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-prislusenstvi-1536x864.jpg 1536w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-prislusenstvi-2048x1152.jpg 2048w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-prislusenstvi-70x39.jpg 70w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-prislusenstvi-190x107.jpg 190w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-prislusenstvi-400x225.jpg 400w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-prislusenstvi-470x264.jpg 470w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-prislusenstvi-550x309.jpg 550w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-prislusenstvi-1440x810.jpg 1440w, https:\/\/alkion.eu\/wp-content\/uploads\/2026\/03\/75-prislusenstvi-1700x956.jpg 1700w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><!-- \/.image --><div class=\"text\"><h3>Modern accessories<\/h3>\n<p>In our work, we use our own jigs and accessories to cover or block off HVAC ductwork while preparing individual sections. We use 3D printers to manufacture these, and our technicians are constantly improving and optimizing their use.<\/p>\n<\/div><!-- \/.text --><\/article>        <\/div><!-- \/.items -->\r\n    <\/div><!-- \/.content -->\r\n<\/section>\r\n\r\n\n\n<section id=\"columns-1-ref-block_e2effb24129b8ce2c05e73e094097961\" class=\"references-slider-wrapper width padding\" data-count-per-line=\"3\">\n\t<h2 class=\"section__title text-center\">Our Experience<\/h2>\t<div id=\"slick-columns-1-ref-block_e2effb24129b8ce2c05e73e094097961\" class=\"references-slider\" data-count-per-line=\"3\">\n\t\t<div class=\"references-slider__slick\">\n\t\t\t\t\t<article class=\"slick-slide padding--bottom-05x grid-x\">\n\t\t\t\t<div class=\"references-slider__icon cell\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/reference-zdroj-engel-150x150-1.png\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/reference-zdroj-engel-150x150-1.png 150w, https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/reference-zdroj-engel-150x150-1-70x70.png 70w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"references-slider__content cell\">\n\t\t\t\t\t<blockquote class=\"references-slider__text\">&ldquor;It was a&nbsp;joy watching the quick progress and witnessing the astounding results during the cleaning of all air-handling systems at our St. Valentin location. I&nbsp;will not hesitate to recommend you in the future!&rdquor;<\/blockquote>\n\t\t\t\t\t<cite class=\"c--primary\"><span>Martin Steindl<\/span>, <span>Maintenance &#038; Facility Management<\/span>, <span>ENGEL, St. Valentin<\/span><\/cite>\n\t\t\t\t<\/div>\n\t\t\t<\/article>\n\t\t\t\t\t<article class=\"slick-slide padding--bottom-05x grid-x\">\n\t\t\t\t<div class=\"references-slider__icon cell\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"225\" height=\"225\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/08\/alkion-loga-na-web_ravensburger.svg\" class=\"attachment-medium size-medium\" alt=\"\" \/>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"references-slider__content cell\">\n\t\t\t\t\t<blockquote class=\"references-slider__text\">&ldquor;<span style=\"font-weight: 400;\">We appreciate long term cooperation, smooth and effective communication and high quality.<\/span>&rdquor;<\/blockquote>\n\t\t\t\t\t<cite class=\"c--primary\"><span>Petr Korec<\/span>, <span>Head of production 3D Puzzle<\/span>, <span>Ravensburger Karton s.r.o.<\/span><\/cite>\n\t\t\t\t<\/div>\n\t\t\t<\/article>\n\t\t\t\t\t<article class=\"slick-slide padding--bottom-05x grid-x\">\n\t\t\t\t<div class=\"references-slider__icon cell\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"225\" height=\"225\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2026\/08\/alkion-loga-na-web_barum_logo.svg\" class=\"attachment-medium size-medium\" alt=\"\" \/>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"references-slider__content cell\">\n\t\t\t\t\t<blockquote class=\"references-slider__text\">&ldquor;<span style=\"font-weight: 400;\">During every summer and winter production break we deal with a&nbsp;large volume of maintenance work that needs to be done by dry ice blasting, including exhaust cleaning. Alkion offers two-shift operations with 16 technicians that complete the job in a&nbsp;very short time.<\/span>&rdquor;<\/blockquote>\n\t\t\t\t\t<cite class=\"c--primary\"><span>Stanislav Doraz\u00edn<\/span>, <span>Maintenance Manager<\/span>, <span>Continental Barum spol. s&nbsp;r.o.<\/span><\/cite>\n\t\t\t\t<\/div>\n\t\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t<div class=\"grid-x references-slider__navigation-wrapper\">\n\t\t\t\t\t\t<div class=\"references-slider__navigation cell\">\n\t\t\t\t<div class=\"dots shrink\"><\/div>\n\t\t\t\t<div class=\"arrows cell auto text-right\">\n\t\t\t\t\t<button class=\"references-slider__prev slick-prev\" title=\"Previous\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 14.81 7.88\"><line y1=\"3.94\" x2=\"13.39\" y2=\"3.94\" style=\"fill:none;stroke-miterlimit:10;stroke-width:2px\"\/><polyline points=\"10.16 0.71 13.39 3.94 10.16 7.18\" style=\"fill:none;stroke-miterlimit:10;stroke-width:2px\"\/><\/svg><\/button>\n\t\t\t\t\t<button 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https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dji-0298-nakladani-top-sikmomp4-snapshot-0012-2021-768x432.jpg 768w, https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dji-0298-nakladani-top-sikmomp4-snapshot-0012-2021-1536x864.jpg 1536w, https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dji-0298-nakladani-top-sikmomp4-snapshot-0012-2021-2048x1152.jpg 2048w, https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dji-0298-nakladani-top-sikmomp4-snapshot-0012-2021-70x39.jpg 70w, https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dji-0298-nakladani-top-sikmomp4-snapshot-0012-2021-190x107.jpg 190w, https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dji-0298-nakladani-top-sikmomp4-snapshot-0012-2021-400x225.jpg 400w, https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dji-0298-nakladani-top-sikmomp4-snapshot-0012-2021-470x264.jpg 470w, https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dji-0298-nakladani-top-sikmomp4-snapshot-0012-2021-550x309.jpg 550w, https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dji-0298-nakladani-top-sikmomp4-snapshot-0012-2021-1440x810.jpg 1440w, https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dji-0298-nakladani-top-sikmomp4-snapshot-0012-2021-1700x956.jpg 1700w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-id=\"1087\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dsc-2676-lezeni-top-to-bottommov-snapshot-0024-20210225-110558-1024x576.jpg\" alt=\"\" class=\"wp-image-1087\" srcset=\"https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dsc-2676-lezeni-top-to-bottommov-snapshot-0024-20210225-110558-1024x576.jpg 1024w, https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dsc-2676-lezeni-top-to-bottommov-snapshot-0024-20210225-110558-300x169.jpg 300w, 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https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dsc-2676-lezeni-top-to-bottommov-snapshot-0024-20210225-110558-470x264.jpg 470w, https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dsc-2676-lezeni-top-to-bottommov-snapshot-0024-20210225-110558-550x309.jpg 550w, https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dsc-2676-lezeni-top-to-bottommov-snapshot-0024-20210225-110558-1440x810.jpg 1440w, https:\/\/alkion.eu\/wp-content\/uploads\/2021\/05\/dsc-2676-lezeni-top-to-bottommov-snapshot-0024-20210225-110558-1700x956.jpg 1700w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" data-id=\"620\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2021\/01\/alkion-kancelar.jpg\" alt=\"\" class=\"wp-image-620\"\/><\/figure>\n<\/figure>\n\n\n<section id=\"faqs-block_b04f22581f77f8ab3183fb0fe93a8315\" data-id=\"faqs-block_b04f22581f77f8ab3183fb0fe93a8315\" class=\"gt-block faqs width width--general align-middle margin--top margin--bottom-2x padding text-center\">\r\n    <div class=\"text\">\r\n        <h2 class=\"section__title text-center\">FAQ<\/h2><p>Didn\u2019t find what you were looking for? Check out our FAQs, or give us a&nbsp;call or send us an email right away!<\/p>\n    <\/div>\r\n\r\n    <div class=\"faqs-items\">\r\n                        <div class=\"faq-item\">\r\n                    <div class=\"faq-item__header\">\r\n                        <div class=\"btn-plus\"><\/div>\r\n                        <h4 class=\"no-decor\">History and Origins of AEROSEAL.<\/h4>\r\n                    <\/div>\r\n                    <div class=\"faq-item__content\">\r\n                        <p>Like many successful projects, AEROSEAL began in a&nbsp;garage. Dr. Mark Modera invented a&nbsp;breakthrough aerosol-based sealing technology there. For the first time, it was possible to seal leaks and holes in air ducts from the inside. Modera\u2019s invention was very well received by the industry and even won the prestigious Energy Top 100 award from the U.S. Department of Energy. AEROSEAL has been a&nbsp;proven choice for 30 years, and we are now bringing it to the Czech Republic.<\/p>\n                    <\/div>\r\n                <\/div>\r\n                                <div class=\"faq-item\">\r\n                    <div class=\"faq-item__header\">\r\n                        <div class=\"btn-plus\"><\/div>\r\n                        <h4 class=\"no-decor\">Can AEROSEAL help with the ESG reporting?<\/h4>\r\n                    <\/div>\r\n                    <div class=\"faq-item__content\">\r\n                        <p>Yes! AEROSEAL effectively seals air ducts and reduces energy loss. It also improves air quality and employee comfort. AEROSEAL helps organizations achieve energy efficiency, reduce greenhouse gas emissions, and meet energy saving standards. As a\u00a0result, it can be considered as a\u00a0measure within sustainable energy use, which clients can include in their ESG reporting.<\/p>\n                    <\/div>\r\n                <\/div>\r\n                                <div class=\"faq-item\">\r\n                    <div class=\"faq-item__header\">\r\n                        <div class=\"btn-plus\"><\/div>\r\n                        <h4 class=\"no-decor\">How long will the sealed ductwork last?<\/h4>\r\n                    <\/div>\r\n                    <div class=\"faq-item__content\">\r\n                        <p>The American manufacturer of the technology guarantees that the system will last for 10 years after sealing. Experience shows that there is no problem to reach a\u00a0period longer than 20 years.<\/p>\n                    <\/div>\r\n                <\/div>\r\n                    <\/div>\r\n<\/section>\r\n\r\n\n\n\r\n<section id=\"kontakt\" class=\"contact-person width margin--top-2x margin--bottom-2x\">\r\n\t<div class=\"contact-person__inner grid-x width width--narrow-small\">\r\n\t\t<div class=\"small-12 medium-5 grid-x align-middle padding--right\">\r\n\t\t\t<div>\r\n\t\t\t\t\t\t\t\t\t<div class=\"section__claim\">We are here for you<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"section__title\">Are you interested in this service?<\/h2>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div>\r\n\t\t\t\t\t<a href=\"https:\/\/alkion.eu\/cs\/kontakt\/\" class=\"button button--arrow-right\">Contact us<\/a>\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t<div class=\"person-wrapper small-12 medium-7 align-self-middle\">\r\n\t\t\t\t\t\t<figure class=\"grid-x align-middle \">\n\t\t\t<div class=\"shrink padding--left padding--right has--hepta show-for-medium\">\n\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"226\" height=\"300\" src=\"https:\/\/alkion.eu\/wp-content\/uploads\/2024\/01\/martin-pridal-226x300.png\" class=\"attachment-medium size-medium wp-post-image\" alt=\"\" srcset=\"https:\/\/alkion.eu\/wp-content\/uploads\/2024\/01\/martin-pridal-226x300.png 226w, https:\/\/alkion.eu\/wp-content\/uploads\/2024\/01\/martin-pridal-113x150.png 113w, https:\/\/alkion.eu\/wp-content\/uploads\/2024\/01\/martin-pridal-70x93.png 70w, https:\/\/alkion.eu\/wp-content\/uploads\/2024\/01\/martin-pridal-190x252.png 190w, https:\/\/alkion.eu\/wp-content\/uploads\/2024\/01\/martin-pridal.png 241w\" sizes=\"auto, (max-width: 226px) 100vw, 226px\" \/>\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"person person--horizontal auto cell\">\n\t\t\t\t<h4 class=\"person__name\">Martin P\u0159idal<\/h4>\n\t\t\t\t<div class=\"person__contact\">\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"person__job\">Projektov\u00fd mana\u017eer<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"ma&#105;l&#116;&#111;:&#109;ar&#116;in&#46;&#112;ri&#100;a&#108;&#64;&#97;&#108;kion&#46;&#101;u\" class=\"email\"><span id=\"c02aa57f9b55479a0a55babe2e4eaac9\"><\/span><script type=\"text\/javascript\">\r\n                    var t=[57,-19,54,-5,53,4,55,-17,52,5,50,9,29,6,43,6,46,13,25,10,39,10,44,15,23,12,37,11,42,17,21,14,35,14,34,25,13,22,30,24,35,3,32,17,32,18,41,-3,38,11,38,14,45,-7,42,7,41,12,47,-9,44,5,43,5,54,-16,51,6,49,10,28,7,42,6,50,9,29,6,48,4,55,-17,52,5,50,9,29,6,43,5,51,8,30,5,44,4,51,8,30,5,44,4,49,10,28,7,42,7,42,17,21,14,35,14,34,25,13,22,30,24,35,3,32,17,31,18,41,-3,38,11,38,17,42];\r\n                    var toAppend = '';\r\n                    for (var i=1; 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