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Mr.Furnace takes immense pride in being the neighbourhood’s trusted name for air conditioning, heating, and electrical services. We proudly provide some of the finest craftsmanship, materials, and products available to help your home be the comfortable, safe, and functional haven you have always wanted it to be. With a staff of highly trained technicians and friendly customer service representatives, we aim to make every part of our business with you a pleasant and enjoyable one.

At Mr.Furnace, we make it a point to be there when you need us! We’re available 24/7 to assist with emergencies, be it in the middle of the night, on a weekend, or even on a holiday. Being the name you turn to means being there for you, and we take that responsibility seriously.

If your air conditioner is broken, your furnace has quit, or your electrical is giving you trouble, reach out to Mr.Furnace by calling (905) 367-0134 today to schedule service.

Proudly Serving St. Catharines & Beyond

If you’re looking for a partner you can trust in your homeownership journey, then look no further than the team at Mr.Furnace. We handle all things plumbing, air conditioning, heating, and electrical and hold our services to a high degree of quality.

Our service territory includes: 

Home Service Experts Serving the GTA

Are you sick of surging energy bills making you afraid to turn on your furnace? Are you tired of not sleeping because of that obnoxious dripping faucet or running toilet? These are just a few of the problems that the team at Mr.Furnace can solve. We work fast to identify, diagnose, and repair or even replace faulty equipment across many of your home’s most important utility systems. 

Here are just a few reasons why our neighbourhood turns to us:

  • We handle everything: From small jobs to large, we’re prepared to take on just about anything you need! We have the tools and training to make quick work of a wide range of tasks.
  • Free estimates: Need a repair or new installation? Find out how much it will cost before you begin with a transparent, honest, and upfront estimate that never hides any fees or charges!
  • Financing: We can work with you to make your service fit your budget with friendly financing options.
  • Special warranties: We stand by our work, and many of the jobs we do are backed by warranties for your peace of mind.
  • Availability: We offer same-day services whenever we can, and we offer emergency services around the clock to be there for you when you need us most! 

Contact Mr.Furnace now to get the help you need with your home’s most pressing issues.

What Homeowners Say About Us

4.7 Stars On Google From Over 1,700 Homeowners
  • “Bryan M went above and beyond expectations, very helpful, polite and knowledgeable. He fixed the issue with our A/C unit quickly and efficiently. Very happy with the service.” - Navy B.
  • “Had them install a new Lennox furnace & AC combo in our house. It was a professional experience from start to finish and we received honest and helpful advice from everyone we interacted with on their Team.” - Ross B.
  • “The gentleman who came to do my repairs was a 5-star experience. I had an issue regarding my furnace.. we had no heat during the last winter storm and Rob was at my home the same day I called.” - Dee R.
  • “The staff were informative, friendly, and responsive. I felt like we were going to be taken care of by experts in their field. They took the time to explain the issue, and provided multiple options for resolution.” - Jacob C.
  • “The AC was up and running within minutes. The repair was not expensive at all. I'd be confident recommending Mr. Furnace to anyone in the Niagara area looking for AC or furnace repair.” - Marshall T.
  • “Very happy with Mr Furnace and the service I received regarding my AC unit. First time using them. Someone referred me to them and I will use them again for all my heating and AC needs.” - V.C.

    The Mr.Furnace Difference

    Certified Technicians Providing Exceptional Service
    • Satisfaction Guaranteed

      All our installations are guaranteed for 2 years from the date of installation.

    • Reliable Service

      Expert service whenever you need it, for no extra charge – twenty-four-hours a day, seven days a week.

    • Decades of Experience

      We have expertise you can trust with over 45 years of experience in the HVAC industry.

    • Certified Technicians

      We perform background checks and extensively train our technicians to be Right Time™ certified.

    • Locally Based & Operated

      Mr. Furnace has been based in St. Catharines since 1978. We’ve had a lot of time to get to know our neighbours.

    • Exceptional Customer Service

      We have a 4.6 star rating on Google, and an 85% rating on HomeStars.

    Work With Our Local Experts Contact Mr.Furnace For A Quote On Your St. Catharines Heating, Cooling, Plumbing, Or Electrical Installation

    Contact Us Today

    Available 24/7 With No After-Hours Charge
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    Mr.Furnace Not Too Hot, Not Too Cold...Just Right
    28 Dunkirk Road St. Catharines, ON L2R 1A1
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