HVAC

ACCA is a non-profit association whose membership includes more than 60,000 professionals from businesses in the indoor environment and energy services community. They work together to promote professional contracting, energy efficiency, and healthy, comfortable indoor environments.

AHRI is the trade association representing manufacturers of HVACR and water heating equipment within the global industry.

ASHRAE, founded in 1894, is a global society advancing human well-being through sustainable technology for the built environment. The Society and its members focus on building systems, energy efficiency, indoor air quality, refrigeration and sustainability within the industry.

Information about HVAC regulations and certifications from the EPA.

Information on licensing for air condition and refrigeration contractors from the Texas Department of Licensing and Regulation.