I would like to extend my gratitude on a job well done. The service was prompt, professional, and in short awesome. I can say that I would truly recommend this company to anyone. Thank you for your service.
March 2024
Michael Mabry is extremely thorough, helpful and professional. He walked me through all the work I needed done and explained it very well so I could understand and is genuinely a nice guy! We will be working with him for many years to come.
February 2024
Michael of M.A.S.S. Heating & Air is very professional, organized and thorough. Worth every dime spent! I highly recommend this organization for your H-Vac needs and more!
M.A.S.S. Heating & Air is a veteran owned and locally operated heating and cooling company. We're located in the Belleville area, servicing the metro east, St. Louis, and surrounding areas. We handle all of your heating and air conditioning needs, to include maintenance, service, repair, installation, and sales. We also have financing available. So, for "Quality Work You Can Trust" turn to M.A.S.S. Heating & Air.
