About Us

Stockton heating and air conditioning

M & M Heating & Air Conditioning Service Co. was founded by Ronald and Joan Malmquist in 1976.

Our 10 full-time employees have been serving Stockton and its surrounding areas with dependable HVAC installation, repair, and maintenance services. From AC maintenance and heater installations to building designs for large commercial projects and repair services, we’ve got you fully covered.

We understand that everyone’s needs and requirements are different. That’s why we strive to provide you with a full range of HVAC services and an affordable price.

We trust our skill and confidently stand behind the work we do. To show you that, we offer a 1-year warranty on workmanship and we honor all manufacturers’ warranties 100%. With that, you’ll get the best warranty repair when needed. We also have extended warranties up to 10 years.