ACT Heating & Cooling is a heating and cooling contractor serving Billings, MT and the surrounding areas since 1992. At ACT we specialize in residential heating and cooling system repair, service, and replacement. We have a simple philosophy when it comes to your decision to invest in a new system for your home. We always take the time to find out what is important to you first. Once we understand your priorities, we provide guidance by performing an analysis of your home.ACT Heating & Cooling offers - Air conditioning repair and maintenance Heating system repair and maintenance Furnace repair and maintenance Set diagnostic fee Gas furnace sales and installation New air conditioning unit sales and installation Duct cleaningWe also provide filter replacement, ultra-violet light purification and humidifiers. We provide written firm quotes, not estimates! Our quotes contain all the specific details you need to make an informed decision. When you give us the opportunity to come into your home to install a new system we take it very seriously. We treat you like family and take care to protect your home. Our employees love what they do and care about bringing you the best service possible.Feel free to give us a call, as we would be more than happy to assist you. At ACT Heating & Cooling you can always count on us.