Book & Get a $100 Furnace Repair Credit

Book a home furnace repair and we’ll give you a $100 repair credit!

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24/7/365 Home Furnace Repair Services

Mersey Heating and Air Conditioning provides homeowners with reliable, round-the-clock residential repair services for central home heating systems across Toronto and the surrounding GTA: 

  • 24/7/365 residential service for furnace issues such as problems with heat pumps, pilot lights or ignition, clogged filters, lack of airflow, leaky ducts, mould, inaccurate thermostat, and more 
  • Emergency & last minute home appointments available 
  • Certified experts with three 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

Call us at (416) 752-8351 or book a furnace repair service online today!

Signs You Need a Furnace Repair

While furnace repair may be an inconvenience, the good news is that determining if your unit needs service is not a guessing game.

There are many common signs that something is wrong with your furnace:

  • Uneven heating throughout different rooms in your home
  • Loud, uncommon sounds coming from the furnace itself
  • Thermostat functionality issues
  • Difficulty heating your home effectively on the coldest days of the year
  • Poor indoor air quality
  • Changes in cycling patterns

Benefits of Furnace Repair

Aside from helping you keep warm & cozy again on an ice-cold winter’s day, furnace repair will also:

  • Help your furnace last longer
  • Improve your home’s air quality
  • Save you money on buying a brand new furnace
  • Ensure your furnace will keep up on future cold days
  • Lower overall utility expenses thanks to increased efficiency

Call us at (416) 752-8351 or book a furnace repair service online today!



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Our Advantage

All of our technicians receive the highest level of certification from North American Technician Excellence; Canada’s best HVAC training organization.

We always have technicians on call so we’re available when you need us; evenings, weekends, and even holidays.

Our accreditation with the Better Business Bureau® holds us accountable to the highest standards of service. Our A+ rating proves that we consistently go above and beyond.

Our job isn’t finished until your home is just as neat and tidy as it was when we first arrived.

What Customers Say

“John T of Mersey Service Experts provided friendly, courteous and professional service in repairing our furnace. Excellent service!
Excellent customer service from Cory for annual inspection of our furnace. Friendly and efficient service included in the annual service plan. They called first to ask if they could come before scheduled time as the previous call ended early. Work was completed in a timely fashion.”

- Alex K.

“John Park is a great technician. He is very knowledgeable and explained everything and walked me through step by step. Very helpful as he also attended to my humidifier as well when he is only called in to repair the furnace.”

- Leo Hu

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Frequently Asked Questions

We offer free in-home assessments for this very purpose. Our expert technicians will walk you through the process, cost, and benefits of a furnace repair versus a furnace replacement. We do everything we can to help you make the best decisions for you and your family without high-pressure sales tactics.

We offer same-day service for furnace repairs. In many cases, we can be at your home within 4 hours of your call. Whether you need service as soon as possible or you’re scheduling routine furnace maintenance, we’ll be there whenever works best for you with no extra charge for emergency repairs.

The last thing you need when your furnace breaks down unexpectedly is an emergency repair surcharge. No matter when you call, we won’t charge you an extra fee. We’re available 24-hours a day, 7 days a week, 365 days a year so we can be there when you need us. For most repairs, we can be at your home within 4 hours.

The best way to prevent unexpected breakdowns and large repairs is to schedule furnace maintenance at least once per year. Our technicians can evaluate your furnace for any minor tune-ups and catch small repairs before they become big problems. Every technician on our team is expertly trained and Right Time™ certified to diagnose any potential furnace issue.

Our Commitment to You

We honestly believe that we are the best at what we do. By developing below guarantees, we hold ourselves accountable to our own standards, while giving you the peace of mind that our success hinges on your satisfaction. With Mersey Heating and Cooling, you know exactly what you’re going to get. We guarantee it.

Why Choose Us?


No Loopholes™

Your satisfaction is our priority. If you’re unsatisfied with our work, products, or materials within 2 years of the installation date, we’ll do our best to make it right. No Loopholes™, just accountability.


No Hassles™

We stand behind the work we do. If within two years of your installation, you find yourself without heat due to a system breakdown, we will repair the issue within 24 hours of your call, or we’ll offer you $1000 for your inconvenience. No Hassles™, just results.


Just Right™

Consistency is key. If your system doesn’t give you the set temperature you desire within the first 5 years, we’ll make the necessary adjustments, up to and including replacing the system at no charge. No fluctuations, Just Right™


We Respect You™

We hold our technicians to the highest possible standard, and expect everyone on our team to respect you, your family, and your property. If we fail to live up to these standards, we will gift you with our full 5-year system check-up package at no charge. We Respect You™.

Call Us. We’re Very Friendly



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Our technicians are NATE-certified, an industry-leading training organization.

Always Available

We’re ready to help – twenty-four hours a day, seven days a week, year-round.

Satisfaction Guaranteed

Our installations are protected by our guarantees.

Trusted Experience

We’ve been at work in the Greater Toronto Area for over 45 years.

Your Local Source

Locally owned, locally operated – we take pride in serving our community.


Our average Google rating of 4.8 stars proves our commitment to excellence.

24/7 365 SERVICE

647-366-5974 Request a Quote
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