Boiler Services in St. Catharines

24/7/365 Home Boiler Services

Full replacement & installation of boiler systems for the home
Fast, post-installation home boiler emergency repairs, available 24/7/365
Friendly ongoing maintenance that prevents long-term problems following your system setup
Certified experts with over four decades of experience and G1, G2, 313A & 313D, 308A, ODP, Wardflex, and Supervisor Training Program & IHSA Health and Safety Education Program for Contractor Safety Essentials
Emergency & last minute home appointments available!

Locally Owned & Operated – Mr. Furnace has been installing, repairing, and maintaining boilers for families in the Niagara region and St. Catharines since 1978. From day one we have maintained an unwavering commitment to top quality customer service, quality parts and products, and world-class craftsmanship.
Right Time Certified Technicians – All of our service and installation technicians have the required certifications for the job, and receive ongoing training so that they are prepared for any problems they encounter. This ensures that every installation is done correctly and conforms to our high standards. All of our employees are required to pass a background check and be bondable.
Over 40 Years of Experience – Mr. Furnace has been the go-to choice for boiler installation, repair, and maintenance in St. Catharines and the Niagara region since we first opened in 1978.
Top Notch Customer Service – We take both our craftsmanship and our customer service seriously, which means we aren’t satisfied until you are satisfied. Our entire team works hard to ensure that every interaction you have with us leaves you satisfied.

Ready to learn more? Contact our team of boiler pros today by calling (437) 703-2247 for an estimate!

WATER SOFTNER INSTALLATION (PROMO CODE: WATERSOFT100) $100 OFF Cannot be combined with any other offers or discounts. Use coupon promo code when you call to book an appointment. Valid on standard pricing only. Redeemable for one-time use per home.
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WATER FILTRATION SYSTEM INSTALLATION (PROMO CODE: WATERFILTRATION100) $100 OFF Cannot be combined with any other offers or discounts. Use coupon promo code when you call to book an appointment. Valid on standard pricing only. Redeemable for one-time use per home.
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INCLUDES FREE CAMERA INSPECTION (PROMO CODE: DRAIN99) $99 Drain Special Offer applies to sewer backups only. Cannot be combined with any other offers or discounts. Use coupon promo code when you call to book an appointment. Valid on standard pricing only. Redeemable for one-time use per home.
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“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.

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

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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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Call Us (437) 703-2247