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A. S. Contrera

Since 1983, Mr. Furnace has provided professional HVAC services to residential and commercial customers in Southeast Michigan. The company services Macomb, Oakland, and Wayne counties, as well as the rest of Southeast Michigan. 

A highly rated and award-winning HVAC company, Mr. Furnace prides itself on professionalism, experience, and customer service. Mr. Furnace is the name of their residential service, and A.S. Contrera handles commercial service.

Mr. Furnace and AS Contrera, LLC are a fully licensed HVAC companies that handle every aspect of HVAC installation, repair, and maintenance. These services include, but aren’t limited to:

  • Furnace installation and repairs
  • AC installs, repairs, and troubleshooting
  • Radiant heater installation
  • All other residential HVAC services
  • All other commercial HVAC services

They’re also a certified Trane Comfort Specialist, which means they meet the manufacturer’s high quality standards. In addition, they offer maintenance plans, warranty service, and post-warranty services.

Their service comes with several guarantees as well. These include a lifetime ductwork guarantee, a “no lemon” guarantee, a comfort guarantee, and a satisfaction guarantee. 



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Wells Fargo Financing


CENTER LINE, Michigan 48015


NATE Certified
24/7 Emergency Service