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BC Gov: Clarification Of BC Code Requirements For Manufactured Windows, Doors, Skylights
BC Building and Safety Standards Branch bulletin provides some clarification of requirements of the 2012 BC Building Code for manufactured windows, doors and skylights. (PDF)

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.

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)

BC Housing: BC Fenestration Energy Performance Requirements
BC Housing Builder Insight #9, Fenestration Energy Performance, clarifies the energy performance requirements for windows, glazed doors and skylights used in residential buildings, and provides a roadmap for compliance. (PDF)

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)

BCBEC: BC Approach To Energy Efficiency For Windows & Glazing
BC Building Envelope Council conference presentation slide show describes BC’s market transformation approach to energy efficiency for windows and glazing. (PDF)

BOABC: BC Energy Efficiency Act Regulations For Windows & Doors
Building Officials Association of BC online presentation on BC Energy Efficiency Act Regulations for Windows, Doors and Skylights was given by the Ministry of Energy, Mines and Petroleum Resources at the 2009 BOABC Fall Education Seminar. (PDF)

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

Energy Star: Residential Windows, Doors & Skylights
Energy Star provides information on their energy efficient window standards, benefits, purchasing tips, and resources for consumers, business, and partners.

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)

FEN BC: Use Of CSA A440S1-09 For Determining Fenestration Performance Grades In BC
Fenestration Association of BC online Guidelines on the Use of the Canadian Supplement CSA A440S1-09 for Determining Fenestration Performance Grades in BC assists parties using CSA A440S1-09 to determine NAFS-08 Performance Grades for both Part 9 and Part 3 buildings in BC. (PDF)

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)

Fenestration Canada: Online Code Fenestration Calculator
Fenestration Canada online building code fenestration performance calculator helps select window requirements that meet codes based on NBC 2010.

Home Energy: Window Rating Systems & Lessons From Around Globe
Home Energy magazine article describes progress and problems in three window labeling systems from four different countries. 1998

NRCan: Energy Star Specification For Residential Windows, Doors, Skylights V4.1 February 1, 2015
NRCan online Energy Star Technical Specification for Residential Windows, Doors, and Skylights Sold in Canada Version 4.1 effective February 1, 2015 determines how residential windows, doors, and skylights sold in Canada qualify for the ENERGY STAR initiative. (PDF)

NRCan: Labelling & Promotional Guidelines For Energy Star Qualified Windows, Doors & Skylights
Natural Resources Canada guidelines provide detailed information on how to label windows, doors and skylights for the Canadian Energy Star program and how to develop and use promotional materials for qualifying windows, doors and skylights in Canada. (PDF)

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)

NRCan: Overview Of Energy Star Standards For Windows & Doors
Natural Resources Canada describes Energy Star requirements for windows and doors.

US DOE: Energy Star Windows Guide
Building America Solution Center online guide provides criteria and installation guidance for Energy Star windows.

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)
Product Performance Standards

AAMA: North American Fenestration Standard/Specification For Windows, Doors, & Skylights
American Architectural Manufacturers Association sells their North American Fenestration Standard/Specification for windows, doors, and skylights. $25 USD - Member, $50 USD - Non-Member

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)

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)

BOABC: Testing, Certification & Labelling Of Windows & Doors
Building Officials Association of BC online slide show presentation describes issues and considerations around testing, certification and labelling of windows and doors from a building inspectors perspective. (PDF)

Building Online: Harmonizing Of North American Fenestration Standard
Building Online article says the U.S./Canada Harmonization Task Group (HTG) has completed proposed changes the North American Fenestration Standard, AAMA/WDMA/CSA 101/I.S.2/A440-05 Standard/Specification for Windows, Doors and Unit Skylights.

CSA: AAMA/WDMA/CSA 101/I.S.2/A440-08 Standard/Specification For Windows, Doors & Skylights
Canadian & US AAMA/WDMA/CSA 101/I.S.2/A440-08 Standard Specification establishes material-neutral, minimum, and optional performance requirements for windows, doors, and unit skylights. $68 CDN

CSA: CAN/CSA-A440-00 Standard User Selection Guide For Windows
CSA Standard CAN/CSA-A440-00 and this Guide allow purchasers and specifiers to select windows suitable to their specific climatic conditions, height of installation, type of building, etc. $163 CDN

FENBC: NAFS Labeling & Part 5 Compliance for Commercial Glazing Products
Fenestration BC has published an informational resource guide for architects with regards to NAFS labeling and Part 5 compliance path for commercial glazing products. (PDF)

Fenestration Canada: NAFS Canadian Building Code Compliance
Fenestration Canada provides Canadian Building Code compliance information on requirements necessary for a fenestration manufacturer to have its products be compliant with the National Building Code. (PDF)

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)

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.

RCI: Window Performance, Installation, Field Quality Control Standards
RCI describes standards, issues and considerations for window selection, performance, installation, and field quality control.

RDH: 4 NAFS Performance Class Mistakes To Avoid
RDH Building Engineering describes four NAFS performance class mistakes and how to avoid them.

RDH: 7 Essential Tips For Complying With NAFS In Canada
RDH Building Engineering provides seven essential tips for complying with NAFS in Canada.

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)

RDH: Difference Between NAFS-08 vs. NAFS-11
RDH Building Science Blog describes the difference between NAFS-08 and NAFS-11.

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.

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.

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?

RDH: NAFS In Part 9 Of The Canadian Code
RDH Building Engineering helps clarify the confusion and misunderstanding about how NAFS applies to windows and doors in Part 9 buildings.

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.

RDH: NAFS Technical Interpretations Available From CSA
RDH Building Engineering describes five technical interpretation bulletins relevant to users of the NAFS standard in Canada, all now available from CSA.

RDH: NAFS Testing Tools For Manufacturers
RDH Building Engineering online videos discusses new tools that can help manufacturers to reduce the amount of testing needed to qualify many product lines.

RDH: Performance Class Is Key Concept At Heart Of NAFS
RDH Building Engineering says Performance Class is the master organizing principle within the NAFS standard. They describe why specifiers should be concerned with Performance Class.

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)

RDH: What You Need To Know About NAFS In Canada
RDH Building Engineering describes how NAFS, the North American Fenestration Standard, is changing the rules for how windows, doors and skylights are tested and rated in Canada.
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