Furnace Repair, Heat Pump Services and More for the San Angelo & Coleman, TX Areas At Parsons Heating, Air Conditioning and Appliance, we'll give you the attention and personal service that you've come to expect of us! Parsons Heating, Air Conditioning and Appliance Service is the HVAC contractor to trust for all of your heating and Air Conditioning repair, installation, and maintenance needs. Parsons is a locally- veteran owned & operated business that takes pride in providing high quality and personal service.