Heating, Ventilation, and Air Conditioning allow humans to be comfortable in their buildings. Below is a list of HVAC industry groups that provide free technical information on their websites.
For HVAC related articles on archtoolbox.com, visit the HVAC page.
ASHRAE stands for the American Society of Heating, Refrigerating and Air Conditioning Engineers. They focus their research and advocacy efforts on heating and cooling systems, energy efficiency, and indoor air quality. ASHRAE publishes a number of important documents including their Handbook, which provides important design information. Another important document is ASHRAE Standard 90.1, which covers energy use in low-rise buildings.
ASHRAE provides a series of free resources on their website, some of which are available to everyone and some that are only available for members.
US Department of Energy
United States Environmental Protection Agency
The US EPA provides a website dedicated to Indoor Air Quality.