With over 30 years of heating and air conditioning experience throughout Metro Charlotte, Harrisburg, and surrounding areas, All Temp Co., Inc. is the best HVAC contractor around. We are the professionals you can rely on for emergency furnace and AC repairs or turn to for expert advice about designing and installing new air conditioning or heating equipment. As a Carrier® Factory Authorized Dealer, we are held to the industry's highest standards for technical expertise, ethical business practice