Specializing in AC and heating system services, we are the hardest working HVAC contractors in the business! Clark Heating & Cooling, Inc. is a full-service residential and commercial HVAC contractor dedicated to providing service that's as unbeatable as our rates, and that's the #1 reason our clients come back to us for all of their heating and air conditioning needs.  The second reason is that all of our work is 100% guaranteed!