Gemaire 9714 Deering Ave. Chatsworth CA 91311 was established in 1969 and has since become one of the largest HVAC supply houses in the country. Gemaire offers a vast inventory of HVAC equipment parts and supplies as well as exceptional customer service and training. Areas Served: Gemaire operates HVAC supply houses in Virginia North Carolina Tennessee Georgia Florida Louisiana and Texas What Brands Does Gemaire Sell? Gemaire offers name brands from Ameristar Aprilaire Diversitech Fresh-Aire Frigidaire Fujitsu Gree Honeywell Marvair Maytag Mitsubishi Protech Rheem Tempstar Vive as well as many other HVAC supplies.