St Louis, MO Heating and Air Conditioning Contractor – Furnace and Air Conditioning Installation and Repair Services

When the AC or Heat is not functioning, the last thing you want to do is lose your cool with a tech who charged too much for inferior HVAC service. Homeowners who contract with us for heating and air conditioning services feel right at home with our team of professionals.

MMI has been proudly serving the St. Louis surrounding area for all your heating and air conditining needs for the last 19 years. We are fully committed to offering you the best HVAC service in heating and cooling systems, air conditioner repair and maintenance, furnace repair and maintenance, heat pump repair and maintenance, water heater repair and maintenance and any other heating and air conditioning needs you have. Our professionally trained HVAC technicians are available 24 hours a day for emergency service whether you are a residential home, commercial business, institutional building, and/or industrial building. We do it all when it comes to HVAC. We fix, install, and maintain equipment, always keeping our prices low, and meeting or exceeding local and national codes, ensuring maximum home comfort and giving you peace of mind. Give us a call today!

MMI service all brands and types of equipment, including mobile homes,ductless mini splits, thru the wall units, split systems, roof top units, virtually all heating and air applications are covered.

Call us to discuss your furnace, heater, air conditioning, and other comfort concerns.