TECA: Upcoming BC Courses For Heating Industry
Thermal Environmental Comfort Association of BC offers Quality First training programs for HVAC (forced air and hydronic) contractors. TECA training programs are developed by the industry, for the industry, setting minimum standards for the residential and light commercial heating, ventilating and cooling trades. They provide contractors the information they need to install equipment that operates safely and comfortably at rated efficiencies.
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HRAI: Find A National Contractor
Heating, Refrigeration and Air Conditioning Institute of Canada is the National forced air and ventilation trade association that provides lists of trained and certified heating and ventilation contractors.
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TECA: Find A BC Contractor
Thermal Environmental Comfort Association is the BC based forced air and ventilation trade association that provides lists of trained & certified heating & ventilation contractors.
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BC Gov: Energy Efficiency Regulations For Gas & Propane Furnaces
BC Ministry of Energy Mines - Energy Efficiency Standards Regulation requirement states that as of January 1st, 2015 gas-fired forced air furnaces, other than furnaces for recreational vehicles and replacement furnaces in pre-existing residential dwellings, for use with propane and natural gas having an input rating less than 65.9kW must have a minimum AFUE of 92 per cent. (PDF)
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HPAC: Manufacturers Prohibit Use of Furnaces for Construction Heat
HPAC magazine says Heating, Refrigeration and Air Conditioning Institute released a position paper stating that their gas furnace manufacturers adopted a position to prohibit the use of their furnaces by homebuilders for heating during the construction process prior to occupancy.
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SMACNA: Residential Comfort System Installation Standards Manual
Sheet Metal and Air Conditioning Contractors' National Association sells the Residential Comfort System Installation Standards Manual. It covers installation standards for residential heating and cooling systems including load calculations, duct design, duct construction, insulation, vents, air terminals, control applications, system specifications and industry equipment and methods for residential systems. Also covered are forced air heating, heat pumps, automatic control thermostats, flues and sound and vibration. Includes soft metrics. $108 USD
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TECA: Purchasable Quality First Forced Air Guidelines
Thermal Environmental Comfort Association sells Quality First Forced Air Guidelines that cover the process of sizing and installing a forced air system including heat loss/heat gain calculations, equipment selection and duct sizing, heat gain, heat pump selection, and low pressure duct tables. $87 CDN
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US DOE: Distribution & Room Air Mixing Risks To Retrofitted Homes
US Department of Energy report Distribution and Room Air Mixing Risks to Retrofitted Homes discusses some issues raised when existing ducts with reduced airflow creates a decreased throw at the supply registers, and the supply air and room air do not mix well, leading to potential thermal comfort complaints. (PDF)
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Building America: Air Seal HVAC Cabinet Seams
Building America Solution Center describes how to seal seams and holes in the air handler or furnace cabinet of central forced air HVAC systems to prevent the loss of conditioned air.
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Building Science: Basic Of Moving Air
Building Science online slide show presentation by BC industry expert David Hill describes issues and considerations for moving air quietly and efficiently, in forced air heating systems. (PDF)
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CMHC: Fact Sheet On Replacing Your Furnace
Canada Mortgage and Housing Corporation fact sheet provides information for consumers who are replacing their existing furnace. It covers fuel choice, furnace selection, and furnace sizing and more. (PDF)
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Ecolighten: Furnace Retrofit System Optimization
Ecolighten article in Mechanical Business Magazine covers Optimizing Furnace Efficiency and Performance. It focuses on retrofit applications and the importance of proper sizing, installation and commissioning to ensure a new high-efficiency replacement furnace will operate to its designed intent.
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Ecolighten: Maximizing Replacement Furnace Performance
Ecolighten article from Mechanical Business summarizes their FortisBC-funded research into high efficiency furnace installations, with an aim of learning what can be done to maximize the performance of a system. They list of some of the system and design considerations that can help optimize energy efficiency, while delivering comfort and maximizing equipment longevity, when installing a high-efficiency furnace in a retrofit up-flow application. (PDF)
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GBA: Options For HVAC Return Air Pathways
Green Building Advisor describes several options for creating return-air pathways so air pressure between rooms is balanced to get good air quality and comfort from a forced-air HVAC system.
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HRAI: Residential Air Systems Design Manual
Heating, Refrigeration and Air Conditioning Institute of Canada manual SAR-R2 Residential Air System Design provides procedures and forms for designing various types of residential air HVAC systems.
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HVAC School: Why Selecting HVAC Equipment is Important & Hard
HVAC School says system selection is important because if you don’t match the proper equipment to the BTU load or if you fail to consider the factors you can easily end up with a system that is undersized or that does not deal with the humidity load of the space.
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JLC: Fine-Tuning Forced-Air Heat
Journal of Light Construction article explains how to use two-stage equipment and zone dampers to increase efficiency, comfort, and customer satisfaction. (PDF) Free Registration Required
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TECA: Purchasable Quality First Forced Air Guidelines
Thermal Environmental Comfort Association sells Quality First Forced Air Guidelines that cover the process of sizing and installing a forced air system including heat loss/heat gain calculations, equipment selection and duct sizing, heat gain, heat pump selection, and low pressure duct tables. $87 CDN
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US DOE: Designing Forced-Air Systems
US Department of Energy report Designing Forced-Air Systems describes issues, considerations and resources for proper design of forced air heating systems. (PDF)
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US DOE: Risk Assessment Of HVAC Strategies In Low-Load Homes
US Department of Energy report Risk Assessment of Heating, Ventilating, and Air-Conditioning Strategies in Low-Load Homes identifies which forced air heating systems and control strategies work best for particular climate zones or house geometries and proposes solutions that homebuilders can implement to reduce the risk of occupant discomfort in individual rooms. (PDF)
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