¹ A Guide to Energy-Efficient Heating & Cooling, ENERGY STAR®, 2013, pg. 20.

² ASHRAE Journal, October 2012, pg. 84.

³ Quality Installation Study for Furnaces - Research Summary, Ecolighten Energy Solutions Ltd., 2013.

⁴ BC Safety Authority provides gas installation permits for most municipalities in British Columbia; however, seven municipalities issue there own permits and manage their own safety systems; more
information is available at http://www.safetyauthority.ca/...

⁵ Thermal Environmental Comfort Association (TECA) provides guidelines and courses; more information is available at www.teca.com

⁶ Heating, Refrigeration and Air Conditioning Institute of Canada (HRAI) provides guidance and courses; more information is available at www.hrai.ca

⁷ See the HPO Best Practices for Air Sealing and Insulation Retrofits for Single-Family Homes; more information is available at https://hpo.bc.ca/best-practic...

⁸ http://www.nrcan.gc.ca/energy/...

⁹ Refer to Gas Directive Plastic Venting released by the BC Safety Authority for requirements for plastic vents; more information is available at http://www.safetyauthority.ca/...

¹⁰ See the BC Housing Builder Insight Bulletin #8: Sidewall Venting of Gas Appliances; more information is available at https://www.bchousing.org/publ...
SidewallVentingGasAppliances.pdf