There are a great many industry links and we are including some of the most popular ones that you may need to access.
American Supply Association
The Wholesaler Magazine
Air-Conditioning, Heating and Refrigeration Instititute (AHRI)
Supply House Times
American Water Works Association (AWWA)
International Code Council
American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE)
U.S. Green Building Council
American Society of Plumbing Engineers (ASPE)
National Association of Wholesaler-Distributors
International Association of Plumbing and Mechanical Officials (IAPMO)
Database of State Incentives for Renewables & Efficiency (DSIRE)
National Association of Plumbing, Heating, Cooling Contractors (NAPHCC)