Industry Resource Organizations

• Air-Conditioning & Refrigeration Institute's Online Directory (AHRI)

• North American Technician Excellence, Inc. (NATE)

• American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)

• HRAI

• E-Star Colorado (E-Star)

• HVAC-Talk: Heating, Air & Refrigeration Discussion (HVAC-talk)