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Count on us for all your
Heating & Cooling needs

A to Z Heating & Cooling has been providing high quality products and services to homeowners and businesses since 1982. We service furnaces, water heaters and air conditioners. Our certified factory-trained technicians service and repair all makes and models of residential and commercial heating and air conditioning.

24 Hours Emergency Service
Call NOW - 313-291-8200
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At A to Z Heating & Cooling, we pride ourselves on our ability to efficiently and effectively fix your heating and cooling problems. Whether you have an old system that needs to be fixed or you need a new system altogether, we can provide you with the best solutions in the area.

With over 35 years of experience behind us, you know you can count on our team.


“I want to thank your staff for their professionalism and efficiency in repairing our furnace during a cold snap. Your service tech, Kent, in particular, he’s awesome! From the moment he walked in, I knew he would take care of us, and he did! Keep up all the great service and all the best!”

“I want to give a shout out to Christina! I had a furnace check-up and service. She was very thorough and she explained everything to me. I was very satisfied with the service. I will be using your company and Christina again for your services.”

"I had your company come out yesterday for a furnace problem. We have used your company for probably the last 15 years. Your service people are always pleasant to work with, efficient and always get us back up and running again in a minimal amount of time. We wouldn't think of using any other company."
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