Comfort Systems USA is a national heating, ventilation and cooling (HVAC) company that offers a single company to provide complete HVAC service, anywhere, anytime.

H.D. Grant Co., Inc. represents many of the best manufacturing lines in the HVAC industry. They supply and distribute exhaust fans, fire dampers, radiation dampers, single duct VAV boxes, fan powered VAV boxes with electric heat, Vibration Isolation, and many other products for the HVAC industry.

TAS Energy is a global technology company that provides clean, economic, modular energy solutions by focusing on the energy efficiency and renewable energy markets. They design and manufacture modular energy systems for the power generation industry; the district, commercial and industrial process cooling industries; data center/mission critical facilities; and the renewable energy sector.