American Society of Heating, Refrigerating, and Air Conditioning Engineers: the people who write the ASHRAE 62.2 Residential Ventilation Standard.
The Heating, Refrigeration, and Air Conditioning Institute of Canada: HRAI is 1300 member organization that provides some excellent ventilation training, particularly focused on HRV/ERVs.
Heyoka Solutions, LLC: parts and tools for residential ventilation.
The Home Ventilating Institute: HVI tests and certifies residential ventilation systems. Check the HVI Directory for the latest information on all the certified products.
Residential Energy Dynamics: a world of exceptional worksheets and tools.
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