The Best Heating and Air Conditioning Repair and Replacement in Warren, MI. In need of an HVAC specialist for your furnace or A/C system?
A Warren Michigan Heating and Cooling Company - Since 1937
For more than 81 years Williams Refrigeration and Heating has been the best choice in the Warren, MI area for residential and commercial heating and air conditioning sales, installation, service and repair. Whether you are looking for furnace or AC repair, expert installation of a high efficiency furnace, heat pump, air conditioner or cleaner air in your Warren home, as a Lennox Premier Dealer you can be guaranteed we will do it right!
What Our Clients Say About Us
From the salesman to workmen to final installation, everyone was kind, courteous, on time and did everything and more to make what we hoped they could accomplish happen. We appreciate their efforts and workmanship. Looking forward to a "cool" summer.
G.S. Grosse Pointe Park MI
The salesman was very helpful and didn't try to up sell me. He answered all of my questions .The installers were great as well, They were prompt, polite, and careful as well as being neat about the work including cleaning up.
J. H Royal Oak, MI
Everyone, from the front office to the sales person to the installers and repair crews know what they are doing and how they do it is "customer-centered". This has been my consistent experience for 17+ years.
M. M Warren, MI
I've been using Williams Refrigeration for several years. They've installed my furnace, A/C and hot water heater over time. They maintain my furnace & A/C every year. Their service and the tech's that come out are excellent. Have recommended them to others and they have never disappointed.
S.D Sterling Heights, MI
Everyone at Williams Refrigeration was a pleasure to work with, beginning with the wonderful woman who answers the phone, the technician who spent his time explaining what he had done to try and fix my problem, the sales man who came out and again was personable and professional and finally the installers. What a great staff to work with. I couldn't be more pleased.
L.S Warren, MI
Just had my new furnace installed! I am very pleased and would recommend Williams refrigeration and heating company. The installers were very professional and polite!
D.B St Clair Shores, MI
Service We're Proud of Since 1937
We offer all Warren, MI residential heating, air conditioning, back up home generators and water heating services. Whether you need gas or electric furnace service or repair, furnace installation, heat pump or air conditioning installation, tankless hot water heaters or water heater replacement, cleaner air in your home, energy savings, or you just need a filter change, Williams Refrigeration and Heating is your best choice for Warren, Sterling Heights,Royal Oak and St Clair Shores and surrounding areas heating and air conditioning services.
Our Services
Willims Heating and Cooling is a full service company offering repairs, maintenance and
installations in all facets of residential and commercial HVAC industry.

Air Conditioning
Services
Regardless of the air conditioning need you have, we are always here to provide solutions that accommodate your budget and your time. We install high quality, energy efficient air conditioning equipment for homes and businesses that perfectly meet the demands of the interior space.

Experienced HVAC
Contractor
If you need heating or air conditioner repair work completed for your home or commercial business we have the experience to handle any HVAC problem you face. Our expert team of HVAC repair and installation specialists has received state-of-the-art training and they are dedicated to providing professional high quality service every time.

Heating
Services
Our heating services for both residential and commercial customers are based on our knowledge of the latest trends in the HVAC industry to help you receive the best product and service possible. We repair and install furnaces for your home and provide other equipment.