Air Conditioning Contractors Of America (ACCA) is the largest association of HVACR contractors and the preferred service provider for members in all 50 states and worldwide.

North American Technician Excellence (NATE) is the leading certification program for technicians in the heating, ventilation, air-conditioning, and refrigeration (HVAC/R) industry and is the only test supported by the entire industry.

Electric League of Arizona Arizona Heat Pump Council is an exclusive referral source for home improvement and repair for APS and SRP.

City of Glendale Chamber of Commerce serves as the public policy advocacy body on issues that impact the business and economic climate of the areas served by the participating Chambers of Commerce.

APS Qualified Contractors are licensed, bonded and insured members of the Arizona Heat Pump Council, and are committed to a rigorous continuing education program for their service technicians.

Administered by the Electric League of Arizona, the SRP Certified Contractor Program connects customers with highly-trained and dedicated heating and cooling contractors.