| Energy Standards & Ratings |
BC Gov: Latest Energy Efficiency Standards For Windows Doors & Skylights
BC Energy Efficiency Standards Regulation outlines new energy efficiency requirements that affect all windows, doors and skylights sold in BC beginning Jan. 1 2009. These requirements are detailed in Schedule 1, row 37 for windows, sliding glass doors and skylights, and row 41 for hinged doors.
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BC Housing: 2013 Review Of Window Energy Rating Procedure In Canada
BC Housing study Review of Window Energy Rating Procedure in Canada seeks to determine if the Energy Rating (ER) in its current form is still appropriate for selecting energy efficient windows and doors for all areas within Canada. It found that the current ER formula works in most common house situations, in most locations, and therefore it is an appropriate metric for rating the relative energy performance of windows. (PDF)
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BC Housing: Review Of International Window Standards
BC Housing report International Window Standards is a follow-up study to the Review of Window Energy Rating Procedure in Canada. It was undertaken to better understand how the rating system used in North America compared to Passive House and ISO fenestration energy rating systems used in Europe. (PDF)
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CSA: A440.2-14/A440.3-14 Fenestration Energy Performance User Guide
CSA A440.2-14/A440.3-14 standard specifies measurement & calculation methods for establishing the following window properties for both residential and commercial applications: overall coefficient of heat transfer (U-value); solar heat gain coefficient (SHGC); and visible transmission (VT). $244 CDN
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FEN BC: Specifying Energy Performance Of Glazing Products In BC
Fenestration BC online guide Specifying the Energy Performance of Glazing Products in British Columbia clarifies intended compliance paths and describe the necessary steps to comply with the BC Energy Efficiency Act and building codes applicable in BC when specifying fenestration products. It covers aluminum-framed entrances and storefront, glazed aluminum curtain wall. combustible windows, roof windows and skylights, and glass and glazing. (PDF)
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Fenestration Canada: NAFS Labeling Guidelines
Fenestration Canada online NAFS Labeling Guidelines for Canada describes best practices for NAFS-08 labeling of fenestration products in Canada for jurisdictions that have adopted the 2010 National Building Code of Canada or a provincial building code based on the 2010 NBCC. It is issued by for benefit of participants in the fenestration industry and for building officials. (PDF)
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FES BC: Canadian Windows May Meet Passive House Window Requirements
Fenestration Educational Society of BC is providing Canadian window manufacturers with tools to derive Passive House window data from their existing NFRC-based simulation data. They say many Passive House projects could use high performance Canadian-made windows if they have the window performance data required by the Passive House Planning Package software.
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NRCan: New Canadian Specifications For Energy Star Windows
Natural Resources Canada says effective February 1, 2015 all ENERGY STAR windows must meet specific energy efficiency levels that have been set for three climate zones in Canada. In addition, all products must be certified for their energy efficiency by an accredited agency. The three climate zones were developed by using heating degree-days, a measure of annual average temperature. Products are rated on either their U-factor or their Energy Rating (ER). The U-factor is a measure of the rate of heat loss. The lower the number, the slower the heat loss. The ER is a formula that includes the U-factor, air leakage and the benefit of potential solar gain. The higher the value, the higher the potential annual energy savings. Products must also have an air leakage rate of .1.5 litres per second per square metre of product area. (PDF)
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US DOE: Establishment Of Rating Program For Windows
US Department of Energy report Establishment of a Rating Program for Pre- and Post-Fabricated Windows. Simulation, Testing, Quality Control, Certification, and Labeling Requirements, sets forth a proposed structure for an APEC economy to establish a testing, rating, certification, and labeling program for efficient factory-built windows. (PDF)
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| Product Performance Standards |
BOABC: NAFS Labeling Guidelines For Canada
Building Officials Association of BC online slide show presentation NAFS Labeling Guidelines for Canada describes best practices for NAFS-08 labeling of fenestration products in Canada for jurisdictions that have adopted the 2010 National Building Code of Canada or a provincial building code based on the 2010 NBCC. (PDF)
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BOABC: Overview Of NAFS-08 & CSA A440S1-09 Fenestration Standards
Building Officials Association of BC online slide show NAFS-08 & CSA A440S1-09 Fenestration Standards covers what NAFS is, other window & door regulations, NAFS in Part 9 and Part 5, Canadian NAFS supplement, understanding the standard, how to properly confirm performance grade, Canadian labeling requirements, composite and combination windows, and delay to code enforcement of NAFS for Part 9 Buildings. (PDF)
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Fenestration Canada: Voluntary NAFS Labeling Guidelines For Products With Mullions
Fenestration Canada describes voluntary best practices for NAFS labeling of Composite Unit and Combination Assembly fenestration products having vertical and/or horizontal mullions for Canadian jurisdictions that have adopted the 2010 National Building Code of Canada (NBCC) or a provincial building code based on the 2010 NBCC. (PDF)
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IRC: New Harmonized Window Standard to Be Referenced In 2010 Canadian Building Code
Canadian Institute for Research in Construction says a new, harmonized performance standard for windows, doors and skylights has been developed and will be referenced in the 2010 National Building Code of Canada (NBC), replacing a number of Canadian standards, some of which were outdated. The standard is AAMA/WDMA/CSA 101/I.S.2/A440, NAFS, North American Fenestration Standard/Specification for Windows, Doors, and Skylights.
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NFRC: Two Updated ANSI Fenestration Standards
National Fenestration Rating Council says two NFRC documents completed the mid-cycle ANSI public review and have officially earned the American National Standard designation. The two documents are: ANSI/NFRC 100-2017 [E0A2]: Procedure for Determining Fenestration Product U-factors, and ANSI/NFRC 200-2017 [E0A1]: Procedure for Determining Fenestration Product Solar Heat Gain Coefficient and Visible Transmittance at Normal Incidence. (PDF)
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RDH: Architect Guide to Using NAFS in Canada
RDH Building Science online Architect's Guide to NAFS: Using the North American Fenestration Standard in Canada, clarifies the intended use of NAFS for the products within its scope, and provides building designers with a rational methodology for specifying the structural-air-water properties of fenestration products in Canada. (PDF)
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RDH: NAFS & Water Testing of US Products
RDH Building Science says there are several important differences between Canadian code requirements for window, door, and skylight products and the NAFS standard. One of these differences is how water penetration test failure is defined, and this can affect products tested to NAFS in the United States.
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RDH: NAFS & Wind Speed-up Over Hills
RDH Building Science says the Canadian Supplement to NAFS excludes buildings on hills, escarpments, and on slopes steeper than 10 degrees, from it's simplified calculation methods. Same goes for the online Canadian NAFS Performance Grade calculators.
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RDH: NAFS And The Problem With Mullions
RDH Building Engineering says new Canadian guidelines clear things up for window manufacturers and door prehangers who are confused about NAFS and mullion testing.
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RDH: NAFS In Part 5 Of The Canadian Code
RDH Building Engineering says we are using NAFS, the North American Fenestration Standard, only because it is in the National Building Code. So what, exactly, does the Code tell us about the use of NAFS in Part 5, and does this have implications for NAFS compliance in Part 9?
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RDH: NAFS Labelling For Large Buildings
RDH Building Engineering provides an opinion on whether or not a window manufacturer can provide the NAFS label information on the shop drawings instead of putting individual labels on the products.
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RDH: Products Outside the Scope of NAFS
RDH Building Science says Canadian building codes make a clear distinction between products that are within the scope of NAFS, which can demonstrate compliance with air-water-structural requirements on the basis of NAFS testing, and products that are outside the scope of NAFS. What are the products outside the scope of NAFS, and what does the Code expect us to do with them?
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RDH: Specifying NAFS For Part 5 & Part 9 Codes
RDH Building Engineering online slide show presentation Specifying NAFS For Part 5 & Part 9 Codes covers NAHS overview, what products NAFS covers, NAFS in Part 5 & 9 codes, and specifying with NAFS. (PDF)
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