Get $100 Off Your Repair. CALL NOW  647-560-2240

Time to buy a new air conditioning system?

Take advantage of our limited time sale and save on a new system before the weather heats up and this deal cools down.

  • Price advantage. Receive up to $1,000 savings.
  • Good financing. On your new system.
  • Same & next day installation. No long waits: book & be cool ASAP.
  • Get the right size AC. We help you find the perfect fit for central air.
  • Longest-lasting equipment. Get a guaranteed long lifespan with our AC systems.

The installation of the new AC system was done in a timely fashion and professionally by the installers Miguel and Brett. Both installers were polite and friendly. The clean up was meticulous. The duct and vent cleaning was excellent. Both men were were also professional and courteous. Again, the cleanup was done with care and precision. Thanks for the excellent service.

Save all summer with 24 hour repairs at no extra charge.


That means round-the-clock air conditioning repair near you, with no extra or emergency fees.

Call us on weekends, holidays, or in the middle of the night: whenever you need AC service, make Mersey your choice for staying cool and save.

Excellent company! My AC unit died on a Tuesday and Mersey had installed the new one by mid-day Wednesday (1 day)…during a heat wave. From the office personnel to the service personnel, professionalism was displayed at every interaction. I’m extremely happy with the service and the turnaround time. Everyone was friendly and easy to deal with as well.”

Save more money on the cost of air conditioning installation.

Take advantage of Mersey’s limited time sale on a new AC and bask in big savings all summer long.

Receive up to $1,000 in savings and make no payments – including interest.

“We replaced our AC after 20 years and I chose Mersey heating. The service professionals are courteous, respectful of my home (wear booties on their safety shoes) and home owners. Recently to get AC repaired I engaged them and Miguel showed up at the door. He is always on time and explained everything they are doing and made suggestions on how to keep it running at top condition. Great job Miguel.

Here’s how to tell you need an AC replacement.

Cost savings come from knowing when it’s time to say goodbye to your current central air system.

Know the signs.

  • System has poor air flow/irregular temperature​
  • AC keeps running non-stop​
  • You notice weird/bad smells from the AC
  • System keeps leaking
  • Cost a lot in constant repairs and/or monthly energy bills

Time for an AC replacement?

Get up to $1,000 in cost savings on a new air conditioning unit from the local pros at Mersey.

“I had a great experience with Mersey for an A/C install following the failure of our 17 year old unit during a heatwave. Turnaround time from initial call regarding the failure of the old unit to the final install of the new unit was amazing. All parties involved in the process from the initial booking of the diagnostic visit, the service technician for the old unit (Jay), the sales consultant (Darryl), and the install team for the new unit (Jonathon and partner) were professional, knowledgeable, and great to deal with. I have found my preferred supplier for any future HVAC needs.

Your friendly, neighbourhood HVAC experts.

Mersey Heating & Air Conditioning has been an established staple of Toronto & the GTA since 1974.

We are here to meet all of your HVAC needs: from installing a new furnace, fixing your air conditioner, or regular air duct cleaning.

Whatever you call us for, we guarantee we’ll get it just right.


No Loopholes™

If you’re not totally satisfied with our work within 2 years of installation, we will return your original investment and remove the system. No Loopholes, guaranteed.


No Hassles™

If the system we’ve installed breaks down within 2 years of its set up, we will repair the unit within 24 hours of the time you call us or we’ll give you $1000 for your inconvenience. No Hassle, guaranteed.


Just Right™

We guarantee that the system we set up will serve its function for a full 5 years without more than 2 degrees Celsius of temperature variance. If your new unit doesn’t uphold this standard, we will fix it as needed – including replacement of the entire system – at no cost. Just Right, guaranteed.


We Respect You™

When you go with Mersey, you can expect efficient, courteous, and integral work from all of our technicians. If you find that our technicians fail to respect you, your time, or your property, we will supply you with our full 5 Year Just Right™ Check-Up Protection Plan. We Respect You, guaranteed.

ENERGY STAR® for Your Home

We’re proud to offer ENERGY STAR® certified products, the gold standard for measuring energy efficiency in North America. Whether you’re looking for a furnace, air conditioner, water heater, or heat pump, all products with the ENERGY STAR® label have undergone rigorous testing for energy efficiency.

For you, this means lower emissions and a lower energy bill.

Perfect Temperatures

Our trademarked guarantees show that your satisfaction is our priority.

Always Ready

We are constantly prepared to help you in any HVAC emergency, and never charge for after-hours calls.

Real Experience

We’ve been at work in Toronto & the GTA for almost 50 years.

Certified Knowledge

All of our technicians are highly trained and have undergone extensive background checks.

People You Know

We’re locally based and operated and take pride in our reputation within our community.

Exceptional Reviews

We have an average Google rating of 4.7 and an A+ rating with the Better Business Bureau.

Save more on central air conditioning with Mersey.

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What Homeowners Say About Us

Mersey Heating and Air Conditioning were amazing. Their team was very responsive to our situation when our furnace broke down over a weekend. Their emergency response was excellent. Rocky was a great ambassador for Mersey. This is the second time Rocky has been our technician. He is extremely professional and very personable. He is very good on the technical front and did a great job dealing with all our maintenance and repair issues.”

Mersey Heating