U.S. Department of Labor- HVAC/R statistics and basic information from the Occupational Outlook Handbook
Occupational Safety & Health Administration (OSHA) - Current OSHA standards and information on rulemaking process used to develop workplace health and safety standards.
Serving the appliance industry worldwide
ASHRAE, founded in 1894, is a building technology society with more than 54,000 members worldwide. The Society and its members focus on building systems, energy efficiency, indoor air quality, refrigeration and sustainability within the industry.
HVACR Business Magazine
Critical topics covered include leadership, management, strategy, finance, sales, marketing, training, education, staffing, operations, human resources, legal issues, customer service and more.
Supply House Times
the No. 1 media brand serving wholesale distributors and manufacturers reps of plumbing, bath & kitchen, industrial PVF, radiant & hydronics, and HVAC products.
Air Conditioning and Refrigeration Guide: common sense tips on maintaining, troubleshooting and repairing a variety of air conditioning and refrigeration equipment. Also, service tips and training guide.
BTU Calculator: Provided by calculator.net can help you estimate how much BTU will be needed to cool or heat an area.
FreeCalc: applications for everyday mathematics, engineering, economics, and scientific calculations.
Virginia Mechanical Code 2018: online resource from ICC.
Refrigeration Service Engineers Society (RSES): training resource for HVAC professionals
SolRus: General resources for HVAC professionals
Energy Star - Resource for making energy efficient decisions
Environmental Protection Agency (EPA) - environmental information on refrigerants
Leadership in Energy & Environmental Design (LEED) - green building certification program that recognizes best-in-class building strategies and practices.