Since we opened our doors back in 1962, we have delivered first class installation, repair, servicing and maintenance services to hundreds of people in Missouri. The best thing about us is that we still value you and your home. With over five decades of experience serving the residents of St. Charles County, St. Charles Metro, Jefferson, Warren and Lincoln Counties, we have learned to treat our customer like family. Yes! At Missouri Furnace & Air Conditioning, we treat you like family, and that’s why each time you visit our offices in St Charles, Mo, we strive to make you feel at home. We handle high-end replacement HVAC systems and are always ready to assist at any time of day or night. This means that you should never hesitate to give Missouri Furnace & Air Conditioning a call anytime you have an emergency because we are at your disposal 24hours a day just like family.


Our Company Family


If you are looking for expertise and experience in the HVAC industry, then Missouri Furnace & Air Conditioning is the place to go to. The current owner, Mr. Mike Hopen bought this business in 1982 and has headed it since then. What makes us a family business? Well, most of our staff have been with us for a long while now. For instance, Tracy (Mike’s daughter) has been working in Missouri Furnace & Air Conditioning since 2006. Her brother, Rob, is also employed as an HVAC installer.

You should know that all our team members are NATE-certified HVAC technicians. They are all very experienced professionals that have gone through countless hours of training in heating and cooling educational courses to offer you the very best services as HVAC contractors.

For prompt, expert service and repair, call Missouri Furnace & Air Conditioning.