G and W Services offers Houston residential air conditioning repair and installation by a highly skilled team of professional technicians. Since 1958, Our commercial air conditioning specialists can handle all new and existing HVAC service repair, installation, modification or improvements.Caters and offers Residential, Commercial, Air Conditioning Repair Retrofits Air Conditioning Installation Amana American Standard Carrier Lennox Ruud Trane York Some of the Commercial Air Conditioning Services in Houston we provide are: Air Handlers Automation Controls Boilers Computer Room Units Commercial Exhaust Fans Mini-Split Units Rooftop Units Reciprocating Chillers Split systems Pneumatic Controls Zoning and Circulation WaterCop.