• Join the Comfort Club
  • Our parts carry a warranty
  • 24-7 Emergency Service.
  • We Wear Shoe Protectors
  • Locally Owned and Operated
  • We support our troops

Heating and Air Conditioning Services
in Mokena for Over 20 Years!

Comfortmate Heating and Air is your resource for delivering dependable, quality service and comfort to Mokena, IL and the surrounding suburbs. Our expert Customer Service, Repair Technician, Indoor Air Quality, and Comfort Advisor Teams work together to bring you the very best in HVAC services for your home. Repair Services are offered with our 8 to 8 Same Great Rate, along with timely and reasonable emergency services. Our Comfort Club Members enjoy additional savings and peace of mind. Indoor air quality and comfort is our priority for your home…and we’ve got the energy efficient equipment and service teams to provide it!

You Can Count On Me

- Scott O'Sullivan

  • HVAC Repair Services
  • Comfort Club
  • HVAC Service Coupons
  • AC Financing
  • Air Conditioners for sale

Are you in our service area?

Comfortmate Heating and Air is a locally owned, Mokena, IL area company.
Find out if your home is within our service area using your home's zip code.



Raves & Reviews

"Comfortmate has been servicing my furnaces for 13 years.  Most importantly I trust them.  Recently, they replaced a furnace and air conditioner for me.  The installation was professional and thorough.  I am very satisfied  ... more"