{"id":72316,"date":"2025-02-07T12:41:08","date_gmt":"2025-02-07T11:41:08","guid":{"rendered":"https:\/\/debesto.com\/en-us\/blog\/"},"modified":"2026-02-26T22:27:18","modified_gmt":"2026-02-26T21:27:18","slug":"nfrc-certified-windows","status":"publish","type":"post","link":"https:\/\/debesto.com\/en-us\/blog\/nfrc-certified-windows\/","title":{"rendered":"NFRC-certified windows from Europe"},"content":{"rendered":"\n<p class=\"has-medium-font-size\"><strong>From our U.S. customers, we know that a common concern is whether NFRC-certified windows from Europe are available and if the certification is valid or required.<\/strong><\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>In this article, we\u2019ll provide a list of European systems with valid certificates and explain how to avoid misunderstandings or misinformation that could disrupt your project schedule and lead to costly issues.<\/strong><\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>In this article you can learn about:<\/strong><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul style=\"background-color:#f9f9f9\" class=\"wp-block-list has-background\">\n<li>If the NFRC sticker is always required<\/li>\n\n\n\n<li>The list of NFRC windows from Europe<\/li>\n\n\n\n<li>How to verify a foreign business partner\u2019s claims for NFRC compliance?<\/li>\n\n\n\n<li>What NFRC certication is and isn&#8217;t?<\/li>\n<\/ul>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\">Is NFRC certificate always required?<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>From U.S. builders jobsites, in many cases, a certification from Europe will be enough to pass a building inspection. <\/p>\n\n\n\n<p>However, to ensure positive inspection result, <strong>consult with your architect and local building control<\/strong> what exactly is required.<\/p>\n\n\n\n<p>NFRC sticker shows main window specs. Energy efficiency and labeling requirements for fenestration vary across the U.S. Some areas enforce these codes strictly, while others allow fenestration without NFRC labels.<\/p>\n\n\n\n<p>In most locations, you\u2019ll need at least window performance information on your products, even if the label from NFRC itself isn\u2019t mandatory.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-columns full-width-section has-background is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\" style=\"background-color:#f9f9f9\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center\" style=\"font-size:26px\"><strong>Ensure your windows are code-compliant and maximize ROI<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\">Get guaranteed performance, code compliance and cost-effectiveness <br>with tested systems from leading Polish manufacturers.<\/p>\n\n\n\n<p class=\"has-text-align-center\"><br><strong>See dedicated offer for:<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-1 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-font-size is-style-outline is-style-outline--1\" style=\"font-size:16px\"><a class=\"wp-block-button__link has-black-color has-white-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/debesto.com\/en-us\/b2b-offer\/spec-house-developers\/\" style=\"border-radius:0px\">Spec Home Builders<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-font-size is-style-outline is-style-outline--2\" style=\"font-size:16px\"><a class=\"wp-block-button__link has-black-color has-white-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/debesto.com\/en-us\/b2b-offer\/\" style=\"border-radius:0px\">Others<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">The list of NFRC window systems<\/h2>\n\n\n\n<p>On the list below you can find frames from European system providers with estimated prices recommended by debesto to achieve the highest ROI when building or remodelling house to sell.<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Best value for the money:<\/h4>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"w-full mx-auto max-w-[390px] bg-white shadow-[0_0_20px_14px_rgba(0,0,0,0.03)] mb-12 fitters-offer-tile\">\n\t\t\t\t<a href=\"https:\/\/debesto.com\/en-us\/windows\/products\/window-aluplast-ideal-4000\/\" target=\"\" class=\"flex flex-col h-full\">\n\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2024\/11\/08141318\/Aluplast-Ideal-4000-1-1.jpg\" alt=\"Aluplast Ideal 4000\" class=\"object-cover w-full h-[212px]\"\/>\n\t\t\t<div class=\"flex flex-col flex-grow px-4 xl:px-10\">\n\t\t\t\t<div class=\"flex flex-col justify-start flex-grow mt-6\">\n\t\t\t\t\t<p class=\"!font-extrabold !text-[20px] pt-6 xl:pt-3 !mb-6\">\n\t\t\t\t\t\tAluplast Ideal 4000\n\t\t\t\t\t<\/p>\n\t\t\t\t\t<span class=\"flex leading-[24px] tile-desc\"><ul>\r\n  <li>Material: uPVC<\/li>\r\n  <li>Approx. U-Factor: 0.19<\/li>\r\n <li> 2-pane<\/li>\r\n  <li>Nailing Fin: Yes (+34% price)<\/li>\r\n  <li><strong style=\"text-transform: uppercase\">Price per sq. ft: 33 USD<\/strong><\/li>\r\n<\/ul>\r\n<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"h-[2px] w-full mt-4 bg-[#F6F6F6]\"><\/div>\n\t\t\t\t\t\t\t\t\t<span class=\"flex justify-center text-[17px] px-0 font-bold w-full mobile-link\n\t\t\t\t\t\t\t\t\t\t\t\t\t\tunderline text-own-red py-8\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\">\n\t\t\t\t\t\t<span class=\"font-bold\">View more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer uag-hide-desktop uag-hide-tab\"><\/div>\n\n\n<div class=\"w-full mx-auto max-w-[390px] bg-white shadow-[0_0_20px_14px_rgba(0,0,0,0.03)] mb-12 fitters-offer-tile\">\n\t\t\t\t<a href=\"https:\/\/debesto.com\/en-us\/windows\/products\/window-brugmann-bluevolution-82\/\" target=\"\" class=\"flex flex-col h-full\">\n\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2024\/11\/08145652\/Salamander-bluEvolution-82-1.jpg\" alt=\"Salamander bluEvolution 82\" class=\"object-cover w-full h-[212px]\"\/>\n\t\t\t<div class=\"flex flex-col flex-grow px-4 xl:px-10\">\n\t\t\t\t<div class=\"flex flex-col justify-start flex-grow mt-6\">\n\t\t\t\t\t<p class=\"!font-extrabold !text-[20px] pt-6 xl:pt-3 !mb-6\">\n\t\t\t\t\t\tSalamander bluEvolution 82\n\t\t\t\t\t<\/p>\n\t\t\t\t\t<span class=\"flex leading-[24px] tile-desc\"><ul>\r\n  <li>Material: uPVC<\/li>\r\n  <li>Approx. U-Factor: 0.13<\/li>\r\n <li> 3-pane<\/li>\r\n  <li>Nailing Fin: Yes (+34% price)<\/li>\r\n  <li><strong style=\"text-transform: uppercase\">Price per sq. ft: 36 USD<\/strong><\/li>\r\n<\/ul><\/span>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"h-[2px] w-full mt-4 bg-[#F6F6F6]\"><\/div>\n\t\t\t\t\t\t\t\t\t<span class=\"flex justify-center text-[17px] px-0 font-bold w-full mobile-link\n\t\t\t\t\t\t\t\t\t\t\t\t\t\tunderline text-own-red py-8\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\">\n\t\t\t\t\t\t<span class=\"font-bold\">View more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">NFRC systems with additional charge:<\/h4>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-4 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"w-full mx-auto max-w-[390px] bg-white shadow-[0_0_20px_14px_rgba(0,0,0,0.03)] mb-12 fitters-offer-tile\">\n\t\t\t\t<a href=\"https:\/\/debesto.com\/en-us\/windows\/products\/aliplast-max-light-aluminum-windows\/\" target=\"\" class=\"flex flex-col h-full\">\n\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/03\/06102158\/aliplast-max-light-modern.jpg\" alt=\"Aliplast Max light Modern\" class=\"object-cover w-full h-[212px]\"\/>\n\t\t\t<div class=\"flex flex-col flex-grow px-4 xl:px-10\">\n\t\t\t\t<div class=\"flex flex-col justify-start flex-grow mt-6\">\n\t\t\t\t\t<p class=\"!font-extrabold !text-[20px] pt-6 xl:pt-3 !mb-6\">\n\t\t\t\t\t\tAliplast Max Light\n\t\t\t\t\t<\/p>\n\t\t\t\t\t<span class=\"flex leading-[24px] tile-desc\"><ul>\r\n  <li>Material: aluminum<\/li>\r\n  <li>Approx. U-Factor: 0.15<\/li>\r\n <li> 3-pane<\/li>\r\n  <li>Nailing Fin: Yes (+15% price)<\/li>\r\n<li>Price per sq. ft (standard): 91 USD<\/li>\r\n  <li><strong style=\"text-transform: uppercase\">Price per sq. ft (NFRC): 125 USD<\/strong><\/li>\r\n<\/ul><\/span>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"h-[2px] w-full mt-4 bg-[#F6F6F6]\"><\/div>\n\t\t\t\t\t\t\t\t\t<span class=\"flex justify-center text-[17px] px-0 font-bold w-full mobile-link\n\t\t\t\t\t\t\t\t\t\t\t\t\t\tunderline text-own-red py-8\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\">\n\t\t\t\t\t\t<span class=\"font-bold\">View more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\">\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer uag-hide-desktop uag-hide-tab\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer uag-hide-desktop uag-hide-tab\"><\/div>\n\n\n<div class=\"w-full mx-auto max-w-[390px] bg-white shadow-[0_0_20px_14px_rgba(0,0,0,0.03)] mb-12 fitters-offer-tile\">\n\t\t\t\t<a href=\"https:\/\/debesto.com\/en-us\/windows\/products\/aluprof-mb-79n-aluminum-window-system\/\" target=\"\" class=\"flex flex-col h-full\">\n\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/04\/07134415\/aluprof-mb-79n.jpg\" alt=\"Aluprof MB-79N\" class=\"object-cover w-full h-[212px]\"\/>\n\t\t\t<div class=\"flex flex-col flex-grow px-4 xl:px-10\">\n\t\t\t\t<div class=\"flex flex-col justify-start flex-grow mt-6\">\n\t\t\t\t\t<p class=\"!font-extrabold !text-[20px] pt-6 xl:pt-3 !mb-6\">\n\t\t\t\t\t\tAluprof MB-79N\n\t\t\t\t\t<\/p>\n\t\t\t\t\t<span class=\"flex leading-[24px] tile-desc\"><ul>\r\n  <li>Material: aluminum<\/li>\r\n  <li>Approx. U-Factor: 0.15<\/li>\r\n <li> 3-pane<\/li>\r\n  <li>Nailing Fin: Yes (+15% price)<\/li>\r\n<li>Price per sq. ft (standard): 59 USD<\/li>\r\n  <li><strong style=\"text-transform: uppercase\">Price per sq. ft (NFRC): 82 USD<\/strong><\/li>\r\n<\/ul><\/span>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"h-[2px] w-full mt-4 bg-[#F6F6F6]\"><\/div>\n\t\t\t\t\t\t\t\t\t<span class=\"flex justify-center text-[17px] px-0 font-bold w-full mobile-link\n\t\t\t\t\t\t\t\t\t\t\t\t\t\tunderline text-own-red py-8\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\">\n\t\t\t\t\t\t<span class=\"font-bold\">View more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-5 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"w-full mx-auto max-w-[390px] bg-white shadow-[0_0_20px_14px_rgba(0,0,0,0.03)] mb-12 fitters-offer-tile\">\n\t\t\t\t<a href=\"https:\/\/debesto.com\/en-us\/windows\/products\/aluplast-ideal-neo-pvc-windows\/\" target=\"\" class=\"flex flex-col h-full\">\n\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2024\/11\/08160040\/Aluplast-Ideal-NEO-1-1.jpg\" alt=\"Aluplast Ideal Neo\" class=\"object-cover w-full h-[212px]\"\/>\n\t\t\t<div class=\"flex flex-col flex-grow px-4 xl:px-10\">\n\t\t\t\t<div class=\"flex flex-col justify-start flex-grow mt-6\">\n\t\t\t\t\t<p class=\"!font-extrabold !text-[20px] pt-6 xl:pt-3 !mb-6\">\n\t\t\t\t\t\tAluplast Ideal Neo MD\n\t\t\t\t\t<\/p>\n\t\t\t\t\t<span class=\"flex leading-[24px] tile-desc\"><ul>\r\n  <li>Material: uPVC<\/li>\r\n  <li>Approx. U-Factor: 0.13<\/li>\r\n <li> 3-pane<\/li>\r\n  <li>Nailing Fin: No<\/li>\r\n<li>Price per sq. ft (standard): 37 USD<\/li>\r\n  <li><strong style=\"text-transform: uppercase\">Price per sq. ft: 52 USD<\/strong><\/li>\r\n<\/ul><\/span>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"h-[2px] w-full mt-4 bg-[#F6F6F6]\"><\/div>\n\t\t\t\t\t\t\t\t\t<span class=\"flex justify-center text-[17px] px-0 font-bold w-full mobile-link\n\t\t\t\t\t\t\t\t\t\t\t\t\t\tunderline text-own-red py-8\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\">\n\t\t\t\t\t\t<span class=\"font-bold\">View more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer uag-hide-desktop uag-hide-tab\"><\/div>\n\n\n<div class=\"w-full mx-auto max-w-[390px] bg-white shadow-[0_0_20px_14px_rgba(0,0,0,0.03)] mb-12 fitters-offer-tile\">\n\t\t\t\t<a href=\"https:\/\/debesto.com\/en-us\/windows\/products\/aluplast-smart-slide-neo-upvc-sliding-patio-doors\/\" target=\"\" class=\"flex flex-col h-full\">\n\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2024\/08\/23132352\/smart-slide-neo-profile-e1738921083654.jpg\" alt=\"Aluplast Smart Slide Neo profile\" class=\"object-cover w-full h-[212px]\"\/>\n\t\t\t<div class=\"flex flex-col flex-grow px-4 xl:px-10\">\n\t\t\t\t<div class=\"flex flex-col justify-start flex-grow mt-6\">\n\t\t\t\t\t<p class=\"!font-extrabold !text-[20px] pt-6 xl:pt-3 !mb-6\">\n\t\t\t\t\t\tAluplast Smart Slide Neo\n\t\t\t\t\t<\/p>\n\t\t\t\t\t<span class=\"flex leading-[24px] tile-desc\"><ul>\r\n  <li>Material: uPVC<\/li>\r\n  <li>Approx. U-Factor: 0.25<\/li>\r\n <li> 2-pane<\/li>\r\n  <li>Nailing Fin: No<\/li>\r\n<li>Price per sq. ft (standard): 69 USD<\/li>\r\n  <li><strong style=\"text-transform: uppercase\">Price per sq. ft: 94 USD<\/strong><\/li>\r\n<\/ul><\/span>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"h-[2px] w-full mt-4 bg-[#F6F6F6]\"><\/div>\n\t\t\t\t\t\t\t\t\t<span class=\"flex justify-center text-[17px] px-0 font-bold w-full mobile-link\n\t\t\t\t\t\t\t\t\t\t\t\t\t\tunderline text-own-red py-8\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\">\n\t\t\t\t\t\t<span class=\"font-bold\">View more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-6 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">How to verify European windows&#8217; NFRC compliance claims?<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>To verify if a foreign business partner&#8217;s product claims comply with NFRC standards, follow these steps:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Request NFRC labels or documentation:<\/strong><br>Ask your business partner to provide NFRC labels or certification documents for the windows or doors they are supplying. These labels include essential performance ratings verified by the NFRC, ensuring compliance with U-factor, SHGC, and other criteria.<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Consult with NFRC or Local Authorities:<\/strong><br>For additional verification, reach out to the NFRC directly or consult local building code authorities. They can confirm the validity of the partner\u2019s claims and ensure the products meet regional energy efficiency standards.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Request Third-Party Testing Reports:<\/strong><br>Ask for third-party testing reports that demonstrate NFRC compliance. All NFRC-certified products are independently tested to meet performance standards, and these reports should align with the claims made by the foreign business partner.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer uag-hide-desktop uag-hide-tab\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"551\" height=\"670\" src=\"https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/02\/06150934\/nfrc-for-aliplast-genesis.jpg\" alt=\"NFRC-certified windows Aliplast Genesis\" class=\"wp-image-72336\" srcset=\"https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/02\/06150934\/nfrc-for-aliplast-genesis.jpg 551w, https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/02\/06150934\/nfrc-for-aliplast-genesis-247x300.jpg 247w\" sizes=\"(max-width: 551px) 100vw, 551px\" \/><figcaption class=\"wp-element-caption\">Sample of the sticker for Aliplast Genesis<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\">What NFRC is<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>NFRC stands for the <a href=\"https:\/\/nfrc.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">National Fenestration Rating Council<\/a>. It is an independent certification program that provides detailed, research-backed data on the energy efficiency and structural integrity of windows and doors.<\/p>\n\n\n\n<p><strong>The NFRC sticker confirms the most important performance parameters, such as:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>U-Factor:<\/strong> Measures how well a window prevents heat loss. A lower U-Factor means better thermal insulation, helping to reduce energy costs and improve overall efficiency.<\/li>\n\n\n\n<li><strong>SHGC (Solar Heat Gain Coefficient):<\/strong> Indicates how much solar heat passes through the window. Lower SHGC values provide better heat control, especially in warm climates, reducing cooling costs.<\/li>\n\n\n\n<li><strong>Visible Transmittance (VT):<\/strong> Shows how much natural light enters through the window. Higher VT values mean more light, reducing the need for artificial lighting and enhancing interior comfort.<\/li>\n\n\n\n<li><strong>Air Leakage (AL):<\/strong> Measures how much air passes through a closed window or door. A lower AL value indicates better performance in keeping out drafts, helping maintain comfort and save energy.<\/li>\n<\/ul>\n\n\n\n<p>Additional parameters, not shown on the sticker, are: <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Condensation Resistance<\/li>\n\n\n\n<li>Design Pressure (DP)<\/li>\n\n\n\n<li>Structural Pressure (STP)<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer uag-hide-desktop uag-hide-tab\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"500\" height=\"408\" src=\"https:\/\/cdn.debesto.com\/web\/assets\/2023\/01\/06090952\/NFRC-window-sticker-example.jpg\" alt=\"NFRC window sticker example window specification\" class=\"wp-image-50492\" srcset=\"https:\/\/cdn.debesto.com\/web\/assets\/2023\/01\/06090952\/NFRC-window-sticker-example.jpg 500w, https:\/\/cdn.debesto.com\/web\/assets\/2023\/01\/06090952\/NFRC-window-sticker-example-300x245.jpg 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\">What NFRC certification is NOT<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>If NFRC certification matters to you, thorough verification is essential. <\/p>\n\n\n\n<p>The complexities of U.S. versus EU specifications and certifications can be confusing, and our clients have experienced misleading information.<\/p>\n\n\n\n<p> That\u2019s why you should <strong>carefully review all attachments provided in the offer <\/strong>from your potential supplier.<\/p>\n\n\n\n<p>For example, here\u2019s a NAMI certificate that applies only to the window\u2019s glazing\u2014not the entire window. One U.S. client came to us after being misled by another supplier, who claimed this certificate was equivalent to an NFRC certification. It was not.<\/p>\n\n\n\n<p>If you need more information about window parameters, read the article about <a href=\"https:\/\/debesto.com\/en-us\/blog\/window-specification-europe-and-usa\/\">European window specifications.<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer uag-hide-desktop uag-hide-tab\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/02\/06151551\/nami-certificate-for-the-glazing-1.png\" alt=\"NAMi certificate for the glazing is not NFRC for windows\" class=\"wp-image-72342\" srcset=\"https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/02\/06151551\/nami-certificate-for-the-glazing-1.png 600w, https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/02\/06151551\/nami-certificate-for-the-glazing-1-300x300.png 300w, https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/02\/06151551\/nami-certificate-for-the-glazing-1-150x150.png 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"rat rat__outline\">\n    <p class=\"rat__header\"><\/p>\n    <p class=\"rat__content\"><p>For a product to be considered certified, it must have an NFRC label on it. Even if the product is listed in the CPD, it is only certified if the label is present.<\/p>\n<p>If you have doubts about whether a product has passed certification, verify it directly through the source:<\/p>\n<p><a href=\"https:\/\/search.nfrc.org\/search\/cpd\/cpd_search_default_ByMfr.aspx?SearchOption=M\" target=\"_blank\" rel=\"noopener\">NFRC Directory Search \u00a0<\/a> (Enter the name of the system provider or manufacturer)<\/p>\n<p>To assist with verification, ensure you know the name of the manufacturer assembling the windows. Your supplier should provide this information.<!-- wp:columns --><\/p>\n<div class=\"wp-block-columns\">\n<p><!-- wp:column --><\/p>\n<div class=\"wp-block-column\"><!-- wp:acf\/debesto-fitters-offer-tile {\"name\":\"acf\/debesto-fitters-offer-tile\",\"data\":{\"field_62fb4519bea43\":\"66445\",\"field_62fb4dc3a1b74\":\"Aluplast Smart Slide Neo\",\"field_62fb4de5a1b75\":\"\",\"field_62fb4df2a1b76\":{\"title\":\"\",\"url\":\"\",\"target\":\"\"},\"field_637cc0cfe5ec2\":\"0\"},\"mode\":\"edit\"} \/--><\/div>\n<p><!-- \/wp:column --> <!-- wp:column --><\/p>\n<div class=\"wp-block-column\">\n<p><!-- wp:spacer {\"height\":\"40px\",\"UAGHideDesktop\":true,\"UAGHideTab\":true,\"UAGResponsiveConditions\":true} --><\/p>\n<div class=\"wp-block-spacer uag-hide-desktop uag-hide-tab\" aria-hidden=\"true\"><\/div>\n<p><!-- \/wp:spacer --> <!-- wp:acf\/debesto-fitters-offer-tile {\"name\":\"acf\/debesto-fitters-offer-tile\",\"data\":{\"fittersOfferImage\":\"\",\"_fittersOfferImage\":\"field_62fb4519bea43\",\"fittersOfferTitle\":\"\",\"_fittersOfferTitle\":\"field_62fb4dc3a1b74\",\"fittersOfferDesc\":\"\",\"_fittersOfferDesc\":\"field_62fb4de5a1b75\",\"fittersOfferLink\":\"\",\"_fittersOfferLink\":\"field_62fb4df2a1b76\",\"displayAsBtn\":\"0\",\"_displayAsBtn\":\"field_637cc0cfe5ec2\"},\"mode\":\"edit\"} \/--><\/p>\n<\/div>\n<p><!-- \/wp:column --> <!-- wp:column --><\/p>\n<div class=\"wp-block-column\">\n<p><!-- wp:spacer {\"height\":\"40px\",\"UAGHideDesktop\":true,\"UAGHideTab\":true,\"UAGResponsiveConditions\":true} --><\/p>\n<div class=\"wp-block-spacer uag-hide-desktop uag-hide-tab\" aria-hidden=\"true\"><\/div>\n<p><!-- \/wp:spacer --> <!-- wp:acf\/debesto-fitters-offer-tile {\"name\":\"acf\/debesto-fitters-offer-tile\",\"data\":{\"fittersOfferImage\":\"\",\"_fittersOfferImage\":\"field_62fb4519bea43\",\"fittersOfferTitle\":\"\",\"_fittersOfferTitle\":\"field_62fb4dc3a1b74\",\"fittersOfferDesc\":\"\",\"_fittersOfferDesc\":\"field_62fb4de5a1b75\",\"fittersOfferLink\":\"\",\"_fittersOfferLink\":\"field_62fb4df2a1b76\",\"displayAsBtn\":\"0\",\"_displayAsBtn\":\"field_637cc0cfe5ec2\"},\"mode\":\"edit\"} \/--><\/p>\n<\/div>\n<p><!-- \/wp:column --><\/p>\n<\/div>\n<p><!-- \/wp:columns --><\/p>\n<\/p>\n<\/div>\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<article class=\"post post--tile\">\n  <div class=\"post__image\">\n    <figure class=\"\">\n      <img decoding=\"async\" class=\"\" src=\"https:\/\/cdn.debesto.com\/web\/assets\/2022\/08\/06090507\/debesto-video-consultation.jpg\" alt=\"debesto video consultation\"\/>\n    <\/figure>\n  <\/div>\n  <div class=\"post__content\">\n    <h2><a href=\"https:\/\/debesto.com\/en-us\/quick-contact-form\/\" title=\"Book a free project consultation\">Need windows that meet your specs?<\/a><\/h2>\n        <p>We\u2019ll help you get windows that meet your standards and deadlines, increasing your profit margin.<\/p>\n        <a href=\"https:\/\/debesto.com\/en-us\/quick-contact-form\/\" class=\"btn btn--fill\" title=\"Book a free project consultation\"><span>Book a free project consultation<\/span><\/a>\n  <\/div>\n<\/article>\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Key Takeaways on NFRC windows from Europe<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Regional requirements vary<\/h4>\n\n\n\n<p>NFRC labeling standards differ across U.S. regions, so consult with your architect or local building authority to ensure compliance with local codes.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Know your supplier<\/h4>\n\n\n\n<p>Ensure your supplier provides complete manufacturer details so you can verify certification directly through the NFRC directory.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Understand limits<\/strong><\/h4>\n\n\n\n<p>Be aware that some certificates (e.g., those covering only glazing) do not equate to full NFRC certification for the entire window.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Verification is essential<\/h4>\n\n\n\n<p>Always confirm NFRC compliance by reviewing proper documentation, checking for official labels, consulting the NFRC or local authorities, and requesting third-party testing reports.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">NFRC windows for high-end homes<\/h3>\n\n\n\n<p>Our list includes European window systems with genuine NFRC certifications, ideal for high-end residential projects. Although NFRC certification is not always required, it can still be beneficial as it helps streamline approvals and ensures compliance with energy codes.<\/p>\n\n\n\n<p>Moreover, at debesto, we assist American companies in sourcing European windows that meet project requirements while also avoiding overpaying and ensuring a smooth, hassle-free process. If you ever need assistance integrating European windows into your project ,<a href=\"https:\/\/debesto.com\/en-us\/contact\/\">we&#8217;re here to help (contact)<\/a>.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns full-width-section is-layout-flex wp-container-core-columns-is-layout-10 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-white-background-color has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-c42f7767aac6b8f711d65cc7bed60f6d\" style=\"font-size:28px\"><span style=\"color: #c92116\"><strong>European Windows<\/strong><\/span><strong> for Spec Home Builders<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Save up to 50% &#8211; Direct from Poland<\/li>\n\n\n\n<li>On-site Delivery &#8211; Seamless Import<\/li>\n\n\n\n<li>Installation Support Included<\/li>\n<\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Check dedicated offer for<\/strong>:<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-font-size is-style-outline is-style-outline--3\" style=\"font-size:16px\"><a class=\"wp-block-button__link has-black-color has-white-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/debesto.com\/en-us\/b2b-offer\/spec-house-developers\/\" style=\"border-radius:0px\">Spec Home Builders<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-font-size is-style-outline is-style-outline--4\" style=\"font-size:16px\"><a class=\"wp-block-button__link has-black-color has-white-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/debesto.com\/en-us\/b2b-offer\/\" style=\"border-radius:0px\">Other customers<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:70%\">\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer uag-hide-mob\"><\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer uag-hide-desktop uag-hide-tab\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"423\" src=\"https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/09\/24112144\/luxury-home-european-windows-offer-1024x423.jpg\" alt=\"\" class=\"wp-image-77017\" srcset=\"https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/09\/24112144\/luxury-home-european-windows-offer-1024x423.jpg 1024w, https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/09\/24112144\/luxury-home-european-windows-offer-300x124.jpg 300w, https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/09\/24112144\/luxury-home-european-windows-offer-768x318.jpg 768w, https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/09\/24112144\/luxury-home-european-windows-offer.jpg 1161w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1767457541532\"><strong class=\"schema-faq-question\">Do European windows always need an NFRC sticker to pass inspection in the U.S.?<\/strong> <p class=\"schema-faq-answer\">No. In some U.S. jurisdictions, European certification and performance data can be enough to pass inspection. <br \/>However, requirements vary by state and even by county. Before ordering, <strong>you should always confirm with your architect or local building authority <\/strong>what documentation is required for your specific project.<\/p> <\/div> <\/div>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1767457797371\"><strong class=\"schema-faq-question\">When does paying extra for NFRC-certified European windows make sense?<\/strong> <p class=\"schema-faq-answer\">NFRC-certified systems are often worth the added cost on inspection-sensitive projects, where approvals matter the most.<\/p> <\/div> <\/div>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1767457570820\"><strong class=\"schema-faq-question\">How can I verify if a European window system is truly NFRC-certified?<\/strong> <p class=\"schema-faq-answer\">Ask the supplier for official NFRC labels or certification documents for the exact window system. You can also verify the manufacturer directly in the National Fenestration Rating Council directory. If documentation is unclear, request third-party testing reports that confirm NFRC compliance.<\/p> <\/div> <\/div>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1767457708495\"><strong class=\"schema-faq-question\">Is a glazing-only certificate (e.g. NAMI) the same as NFRC certification?<\/strong> <p class=\"schema-faq-answer\">No. A certificate that applies only to glazing does not certify the entire window. <br \/>Several builders have been misled by offers claiming equivalency. <br \/>For a window to be considered NFRC-certified, the complete product must carry an NFRC label &#8211; partial certificates are not enough.<br \/><\/p> <\/div> <\/div>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1767457867480\"><strong class=\"schema-faq-question\">If NFRC labeling isn\u2019t mandatory, what information do inspectors usually expect?<\/strong> <p class=\"schema-faq-answer\">Even when the NFRC sticker itself is not required, inspectors typically expect verified window performance data &#8211; such as U-Factor, SHGC, air leakage, and sometimes design pressure.<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Looking for NFRC-certified windows high-quality and affordable price.? Check out European systems perfect for high-end custom projects<\/p>\n","protected":false},"author":37,"featured_media":72382,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-72316","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NFRC-certified windows from Europe | debesto.com<\/title>\n<meta name=\"description\" content=\"Looking for NFRC-certified windows high-quality and affordable price.? 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You can also verify the manufacturer directly in the National Fenestration Rating Council directory. If documentation is unclear, request third-party testing reports that confirm NFRC compliance.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/debesto.com\/en-us\/blog\/nfrc-certified-windows\/#faq-question-1767457708495","position":4,"url":"https:\/\/debesto.com\/en-us\/blog\/nfrc-certified-windows\/#faq-question-1767457708495","name":"Is a glazing-only certificate (e.g. NAMI) the same as NFRC certification?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No. A certificate that applies only to glazing does not certify the entire window. <br \/>Several builders have been misled by offers claiming equivalency. <br \/>For a window to be considered NFRC-certified, the complete product must carry an NFRC label - partial certificates are not enough.<br \/>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/debesto.com\/en-us\/blog\/nfrc-certified-windows\/#faq-question-1767457867480","position":5,"url":"https:\/\/debesto.com\/en-us\/blog\/nfrc-certified-windows\/#faq-question-1767457867480","name":"If NFRC labeling isn\u2019t mandatory, what information do inspectors usually expect?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Even when the NFRC sticker itself is not required, inspectors typically expect verified window performance data - such as U-Factor, SHGC, air leakage, and sometimes design pressure.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"uagb_featured_image_src":{"full":["https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/02\/07110753\/nfrc-certified-windows-from-europe.png",750,750,false],"thumbnail":["https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/02\/07110753\/nfrc-certified-windows-from-europe-150x150.png",150,150,true],"medium":["https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/02\/07110753\/nfrc-certified-windows-from-europe-300x300.png",300,300,true],"medium_large":["https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/02\/07110753\/nfrc-certified-windows-from-europe.png",750,750,false],"large":["https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/02\/07110753\/nfrc-certified-windows-from-europe.png",750,750,false],"1536x1536":["https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/02\/07110753\/nfrc-certified-windows-from-europe.png",750,750,false],"2048x2048":["https:\/\/cdn.debesto.com\/web\/assets\/sites\/7\/2025\/02\/07110753\/nfrc-certified-windows-from-europe.png",750,750,false]},"uagb_author_info":{"display_name":"ajozwicka","author_link":"https:\/\/debesto.com\/en-us\/author\/ajozwicka\/"},"uagb_comment_info":0,"uagb_excerpt":"Looking for NFRC-certified windows high-quality and affordable price.? Check out European systems perfect for high-end custom projects","_links":{"self":[{"href":"https:\/\/debesto.com\/en-us\/wp-json\/wp\/v2\/posts\/72316","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/debesto.com\/en-us\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/debesto.com\/en-us\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/debesto.com\/en-us\/wp-json\/wp\/v2\/users\/37"}],"replies":[{"embeddable":true,"href":"https:\/\/debesto.com\/en-us\/wp-json\/wp\/v2\/comments?post=72316"}],"version-history":[{"count":49,"href":"https:\/\/debesto.com\/en-us\/wp-json\/wp\/v2\/posts\/72316\/revisions"}],"predecessor-version":[{"id":79794,"href":"https:\/\/debesto.com\/en-us\/wp-json\/wp\/v2\/posts\/72316\/revisions\/79794"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/debesto.com\/en-us\/wp-json\/wp\/v2\/media\/72382"}],"wp:attachment":[{"href":"https:\/\/debesto.com\/en-us\/wp-json\/wp\/v2\/media?parent=72316"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/debesto.com\/en-us\/wp-json\/wp\/v2\/categories?post=72316"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/debesto.com\/en-us\/wp-json\/wp\/v2\/tags?post=72316"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}