[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"cms-page:\u002Fintus-insights\u002Feverything-about-windows-certifications":3},{"id":4,"title":5,"seo":6,"blocks":16},30,"Blog",{"title":7,"keywords":8,"og_title":7,"description":9,"og_description":9,"og_image":10},"Everything You Need to Know About Windows Certifications","Windows certifications, architects, developers, commercial construction projects, energy efficiency standards, durability requirements, NFRC, AAMA, Passive House, INTUS windows, polymer windows, aluminum windows, replacement windows, retrofit projects, retrofit windows.","Understanding window certifications is essential for commercial construction or retrofit projects, ensuring energy efficiency standards, durability requirements, and local building codes. Key certifications, such as NFRC, AAMA, and Passive House, help architects and developers to select windows.",{"src":11,"width":12,"height":13,"alt":14,"caption":15,"video":15},"https:\u002F\u002Fwww.intuswindows.com\u002Fimg\u002Ff27f7e65-9b4e-4e2b-86f4-1b2ebd5e3efc\u002Fca.jpg?fm=webp&q=80&fit=max&crop=1920%2C1280%2C0%2C0",1920,1280,"Ca","",[17],{"id":18,"type":19,"content":20,"data":21,"blocks":63},"06b296e4-7c51-4c08-98e0-824b15a13bce","AppBlogPost",null,{"title":7,"categories":22,"image":27,"created_at":30,"posts":31},[23],{"id":24,"title":25,"slug":26},5,"Education & Market-Specific Topics","education-and-market-specific-topics",{"src":28,"width":12,"height":29,"alt":14,"caption":15,"video":15},"https:\u002F\u002Fwww.intuswindows.com\u002Fimg\u002Ff27f7e65-9b4e-4e2b-86f4-1b2ebd5e3efc\u002Fca.jpg?fm=webp&q=90&fit=max&crop=1920%2C1080%2C0%2C80&w=1248",1080,"2025-02-26T06:19:20+00:00",[32,43,54],{"id":33,"title":34,"summary":35,"image":36,"link":41,"created_at":42},93,"Why Are Windows Key to Decarbonization","Discover why high-performance windows play a critical role in building decarbonization by reducing energy demand, improving thermal performance, and supporting net-zero construction goals.",{"src":37,"width":38,"height":39,"alt":40,"caption":15,"video":15},"https:\u002F\u002Fwww.intuswindows.com\u002Fimg\u002F02c3b12d-a9ae-4a3f-9773-2abaf358cb6e\u002F1693ab67-61ef-42da-857f-88bf3f906118.jpeg?fm=webp&q=80&fit=contain&crop=4032%2C2422%2C0%2C567&w=736&h=442",4032,2422,"1693ab67 61ef 42da 857f 88bf3f906118","why-are-windows-key-to-decarbonization","2026-05-25T09:39:27+00:00",{"id":44,"title":45,"summary":46,"image":47,"link":52,"created_at":53},84,"How INTUS Windows Tests","Knowing the standards for windows testing exist is different from knowing how a manufacturer applies them. This post explains the key window performance tests and describes exactly how INTUS Windows conducts those tests not only in the labs, but also at the factory.",{"src":48,"width":49,"height":50,"alt":51,"caption":15,"video":15},"https:\u002F\u002Fwww.intuswindows.com\u002Fimg\u002Fdeb22165-9f1d-49d1-aadc-d268832b0761\u002Fgera.jpg?fm=webp&q=80&fit=contain&crop=1536%2C920%2C0%2C64&w=736&h=442",1536,920,"Gera","how-intus-windows-tests","2026-03-26T09:00:39+00:00",{"id":55,"title":56,"summary":57,"image":58,"link":61,"created_at":62},82,"INTUS XLine Aluminum Windows","XLine Aluminum windows combine AW Class strength and DP100 performance with Passive House-level efficiency. Designed for high-rise, commercial, and multifamily projects, they deliver durability, energy savings, and long-term reliability without trade-offs.",{"src":59,"width":49,"height":50,"alt":60,"caption":15,"video":15},"https:\u002F\u002Fwww.intuswindows.com\u002Fimg\u002F701e8ffb-fbd9-4336-bda0-97b8048cda50\u002Fxline-instalation.jpg?fm=webp&q=80&fit=contain&crop=1536%2C920%2C0%2C64&w=736&h=442","Xline Instalation","intus-xline-aluminum-windows","2026-02-25T11:07:34+00:00",[64,72,79,90,100,110,121,131,137,144,151,158],{"id":65,"type":66,"content":67,"blocks":70,"data":71},3255,"AppBlogtext",{"html":68,"image_position":69},"\u003Cp>In the commercial construction industry, choosing the right windows is about more than just aesthetics and functionality - it’s about performance, compliance, and long-term value. To ensure quality and efficiency, various organizations have established window certifications that set industry standards. Understanding these certifications can help architects, builders, and developers select windows that meet regulatory requirements, improve energy efficiency, and enhance occupant comfort.\u003C\u002Fp>","left",[],{"image":20},{"id":73,"type":66,"content":74,"blocks":77,"data":78},3245,{"html":75,"title":76,"image_position":69},"\u003Cp>Windows plays a crucial role in a building’s energy efficiency, safety, and overall performance. \u003Ca target=\"_blank\" rel=\"noopener noreferrer nofollow\" class=\"\" href=\"https:\u002F\u002Fintuswindows.com\u002Fcertifications?utm_source=Blog+post&amp;utm_medium=Article&amp;utm_campaign=Windows+certifications\">Certified windows \u003C\u002Fa>undergo rigorous testing to verify their durability, thermal performance, air leakage, and impact resistance. For commercial projects, using certified windows ensures compliance with building codes, supports LEED and other sustainability goals, and may even qualify projects for tax incentives or rebates.\u003C\u002Fp>","Why Are Window Certifications Important?",[],{"image":20},{"id":80,"type":66,"content":81,"blocks":84,"data":85},3246,{"html":82,"title":83,"image_position":69},"\u003Cp>\u003Cstrong>1. NFRC Certification (National Fenestration Rating Council)\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp style=\"text-align: justify\">The NFRC provides standardized energy performance ratings for \u003Ca target=\"_blank\" rel=\"noopener noreferrer nofollow\" class=\"\" href=\"https:\u002F\u002Fintuswindows.com\u002Fproducts?utm_source=Blog+post&amp;utm_medium=Article&amp;utm_campaign=Windows+certifications\">windows and doors\u003C\u002Fa>. The NFRC label displays important metrics, including:\u003C\u002Fp>\u003Cul>\u003Cli>\u003Cp style=\"text-align: justify\">U-Factor: Measures the window’s insulation capability.\u003C\u002Fp>\u003C\u002Fli>\u003Cli>\u003Cp style=\"text-align: justify\">Solar Heat Gain Coefficient (SHGC): Indicates how much solar radiation the window transmits.\u003C\u002Fp>\u003C\u002Fli>\u003Cli>\u003Cp style=\"text-align: justify\">Visible Transmittance (VT): Determines the amount of natural light allowed through the window.\u003C\u002Fp>\u003C\u002Fli>\u003Cli>\u003Cp style=\"text-align: justify\">Air Leakage (AL): Measures the amount of air infiltration.\u003C\u002Fp>\u003C\u002Fli>\u003C\u002Ful>\u003Cp style=\"text-align: justify\">NFRC certification is essential for ensuring windows contribute to energy-efficient building envelopes and meeting local energy codes.\u003C\u002Fp>","Key Window Certifications in the U.S.",[],{"image":86},{"src":87,"width":88,"height":88,"alt":89,"caption":15,"video":15},"https:\u002F\u002Fwww.intuswindows.com\u002Fimg\u002Ff73d9dff-bafa-432e-b59a-4a5e4531c9b3\u002Fcertifications-nfrc-logo.gif?fm=webp&q=80&fit=max&crop=280%2C280%2C0%2C0",280,"NFRC Certified",{"id":91,"type":66,"content":92,"blocks":94,"data":95},3247,{"html":93,"image_position":69},"\u003Cp>\u003Cstrong>2. ENERGY STAR Certification\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp>\u003Ca target=\"_blank\" rel=\"noopener noreferrer nofollow\" class=\"\" href=\"https:\u002F\u002Fintuswindows.com\u002Fproducts?utm_source=Blog+post&amp;utm_medium=Article&amp;utm_campaign=Windows+certifications\">Windows\u003C\u002Fa> with ENERGY STAR certification meet strict energy efficiency guidelines set by the U.S. Environmental Protection Agency (EPA). These windows reduce heating and cooling costs, lower carbon footprints, and improve indoor comfort. ENERGY STAR-rated windows are particularly important for projects pursuing energy-efficient building design and sustainability certifications like LEED.\u003C\u002Fp>",[],{"image":96},{"src":97,"width":98,"height":98,"alt":99,"caption":15,"video":15},"https:\u002F\u002Fwww.intuswindows.com\u002Fimg\u002Ffb8eb802-5166-43e2-9834-d559dc1696fb\u002Fenergy-star.jpg?fm=webp&q=80&fit=max&crop=250%2C250%2C0%2C0",250,"Energy Star",{"id":101,"type":66,"content":102,"blocks":104,"data":105},3248,{"html":103,"image_position":69},"\u003Cp>\u003Cstrong>3. AAMA Certification (American Architectural Manufacturers Association)\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp>6Textaddexpandmore-dots TitleWill not be shown if not set, looks same as h3  Contentparagraphheader-3header-4bolditalicstrikeunderlinehrlinkulolquotetableundoredoSource code   ImageAttach image  Image PositionImage position in relation to text \u003C\u002Fp>\u003Cp>            Left\u003C\u002Fp>\u003Cp>               Loading...  \u003C\u002Fp>\u003Cp>AAMA certification ensures \u003Ca target=\"_blank\" rel=\"noopener noreferrer nofollow\" class=\"\" href=\"https:\u002F\u002Fintuswindows.com\u002Fproducts\u002Fpolymer\u002Fwindows?utm_source=Blog+post&amp;utm_medium=Article&amp;utm_campaign=Windows+certifications\">windows\u003C\u002Fa> meet high-performance standards for air infiltration, water resistance, structural integrity, and durability. Products are tested in accredited laboratories and must comply with AAMA\u002FWDMA\u002FCSA 101\u002FI.S.2\u002FA440 standards. Builders and specifiers rely on AAMA-certified windows to ensure long-lasting performance in demanding environments.\u003C\u002Fp>",[],{"image":106},{"src":107,"width":108,"height":108,"alt":109,"caption":15,"video":15},"https:\u002F\u002Fwww.intuswindows.com\u002Fimg\u002Fbcf359bb-fe0f-4a09-8b5f-de9070cb5883\u002Fcertifications-aama-logo.jpg?fm=webp&q=80&fit=max&crop=378%2C378%2C0%2C0",378,"AAMA Certified",{"id":111,"type":66,"content":112,"blocks":114,"data":115},3249,{"html":113,"image_position":69},"\u003Cp>\u003Cstrong>4. Passive House Certification\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp>Passive House-certified windows meet extremely high energy efficiency requirements, making them ideal for low-energy and net-zero building designs. These windows offer superior insulation, airtightness, and solar control, significantly reducing heating and cooling loads. They are commonly used in sustainable and high-performance commercial buildings.\u003C\u002Fp>",[],{"image":116},{"src":117,"width":118,"height":119,"alt":120,"caption":15,"video":15},"https:\u002F\u002Fwww.intuswindows.com\u002Fimg\u002F181fbafe-43d9-4e98-b656-78d4c4dba1f0\u002Flogo-passive-house-institute.jpg?fm=webp&q=80&fit=max&crop=1795%2C1796%2C0%2C60",1795,1796,"Logo Passive House Institute",{"id":122,"type":66,"content":123,"blocks":125,"data":126},3250,{"html":124,"image_position":69},"\u003Cp>\u003Cstrong>5. Hurricane &amp; Impact-Resistant Certifications (FBC &amp; ASTM Standards)\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp>For buildings in hurricane-prone regions, impact-resistant \u003Ca target=\"_blank\" rel=\"noopener noreferrer nofollow\" class=\"\" href=\"https:\u002F\u002Fintuswindows.com\u002Fproducts\u002Fpolymer\u002Fwindows?utm_source=Blog+post&amp;utm_medium=Article&amp;utm_campaign=Windows+certifications\">windows\u003C\u002Fa> are a necessity. The Florida Building Code (FBC) and ASTM International set rigorous standards for hurricane-rated windows, ensuring they can withstand extreme wind and debris impact. These certifications are critical for commercial properties in coastal areas subject to severe weather conditions.\u003C\u002Fp>",[],{"image":127},{"src":128,"width":129,"height":129,"alt":130,"caption":15,"video":15},"https:\u002F\u002Fwww.intuswindows.com\u002Fimg\u002F901a4b2d-1892-4400-a882-7368e65aafd2\u002Fcertifications-astm-logo.png?fm=webp&q=80&fit=max&crop=400%2C400%2C0%2C0",400,"ASTM Certified",{"id":132,"type":66,"content":133,"blocks":135,"data":136},3251,{"html":134,"image_position":69},"\u003Cp>\u003Cstrong>6. Sound Transmission Class (STC) &amp; Outdoor-Indoor Transmission Class (OITC) Ratings\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp>For buildings in noisy environments, such as near highways, airports, or urban centers, \u003Ca target=\"_blank\" rel=\"noopener noreferrer nofollow\" class=\"\" href=\"https:\u002F\u002Fintuswindows.com\u002Fproducts\u002Fpolymer\u002Fwindows?utm_source=Blog+post&amp;utm_medium=Article&amp;utm_campaign=Windows+certifications\">windows\u003C\u002Fa> with high STC and OITC ratings help mitigate sound pollution. These ratings indicate how effectively a window blocks external noise, improving occupant comfort and productivity in commercial spaces.\u003C\u002Fp>",[],{"image":20},{"id":138,"type":66,"content":139,"blocks":142,"data":143},3252,{"html":140,"title":141,"image_position":69},"\u003Cp>When selecting \u003Ca target=\"_blank\" rel=\"noopener noreferrer nofollow\" class=\"\" href=\"https:\u002F\u002Fintuswindows.com\u002Fproducts\u002Fpolymer\u002Fwindows?utm_source=Blog+post&amp;utm_medium=Article&amp;utm_campaign=Windows+certifications\">windows\u003C\u002Fa> for a commercial project, consider the following factors:\u003C\u002Fp>\u003Cp style=\"text-align: justify\">\u003Cstrong>Climate Zone: \u003C\u002Fstrong>Choose windows with certifications tailored to your building’s location and weather conditions.\u003C\u002Fp>\u003Cp style=\"text-align: justify\">\u003Cstrong>Building Codes &amp; Regulations:\u003C\u002Fstrong> Ensure compliance with local and national requirements.\u003C\u002Fp>\u003Cp style=\"text-align: justify\">\u003Cstrong>Energy Efficiency Goals:\u003C\u002Fstrong> Select windows that contribute to lower energy consumption and sustainability targets.\u003C\u002Fp>\u003Cp style=\"text-align: justify\">\u003Cstrong>Project Budget: \u003C\u002Fstrong>Invest in high-quality, certified windows that offer long-term savings through improved efficiency and durability.\u003C\u002Fp>","Choosing the Right Certified Windows for Your Project",[],{"image":20},{"id":145,"type":66,"content":146,"blocks":149,"data":150},3253,{"html":147,"title":148,"image_position":69},"\u003Cp>\u003Ca target=\"_blank\" rel=\"noopener noreferrer nofollow\" class=\"\" href=\"https:\u002F\u002Fintuswindows.com\u002Fabout-us?utm_source=Blog+post&amp;utm_medium=Article&amp;utm_campaign=Windows+certifications\">We prioritize quality\u003C\u002Fa>, performance, and sustainability. Our high-performance window solutions meet industry-leading certifications, providing energy efficiency, durability, and compliance with stringent building standards. Additionally, all our products undergo rigorous testing to meet these requirements, and if a project demands further validation, we offer additional testing to ensure compliance with specific needs. Whether your project requires Passive House-certified windows, impact-resistant solutions, or ENERGY STAR-rated products, INTUS Windows delivers innovative and customized solutions for the modern built environment.\u003C\u002Fp>","Why INTUS Windows?",[],{"image":20},{"id":152,"type":66,"content":153,"blocks":156,"data":157},3254,{"html":154,"title":155,"image_position":69},"\u003Cp>Choosing the right \u003Ca target=\"_blank\" rel=\"noopener noreferrer nofollow\" class=\"\" href=\"https:\u002F\u002Fintuswindows.com\u002Fproducts?utm_source=Blog+post&amp;utm_medium=Article&amp;utm_campaign=Windows+certifications\">windows\u003C\u002Fa> is critical for any commercial construction project. Partnering with a trusted manufacturer like INTUS Windows ensures your building meets energy efficiency, safety, and performance standards. Contact us today to learn more about our certified window solutions and how they can benefit your next project.\u003C\u002Fp>","Get Certified Window Solutions for Your Next Project",[],{"image":20},{"id":159,"type":160,"content":20,"data":20},"9b609613-a808-4565-9220-fd7a4ab1ea92","AppNewsletter"]