HVAC CONTRACTORS CHICAGO HVAC Repair Service & HVAC Installation LICENSED – BONDED – INSURED If you are looking for one of the best HVAC contractors in Chicago, look no further than Air Temp Heating & Cooling Inc. We are a proud dealer of the Trane – manufacturer of high quality heating, ventilating and air conditioning systems. From heating and AC repair to HVAC installation, we have you covered. Our prices are affordable and our staff are extremely experienced with every aspect of heating and cooling systems, whether you need service, repair, or installation. We know just how important heating and cooling is to a family, so we ensure that each of our jobs is performed quickly and well.