HVAC Services in Markham
Practical solutions for unpredictable HVAC problems in Markham.
Historic, small-town neighbourhoods combined with an urban lifestyle in a majestic river valley: Markham has a lot to offer, and it’s a lovely place to call home. And as a homeowner in Markham, you put a lot of trust in your HVAC system to keep your space feeling as comfortable as you find the city you call home – all year round.
So when your furnace or air conditioning system isn’t working as it should; or you’re looking at plumbing problems a plunger won’t solve; or your home electrical system needs a check-up and rewiring – we’ve got you covered and keep you comfortable. Mersey is always on-call, whenever you need us.
Get same day installation, no extra charges on repair service, and fast service response from local technicians near you.
Home heating or cooling emergency? Get round-the-clock repair service with no extra charges.
We never charge extra for after-hours service, even on weekends, holidays, or middle-of-the-night emergencies. Our team of certified techs is proud to provide 24 hour furnace and air conditioning repair for Markham homeowners with NO extra charges, no matter when you need service. Service from local, certified pros with no added fees is just a click or call away.
Home Heating
- Furnace Installation
- Furnace Repair
- Furnace Maintenance
- Gas Fireplaces
- Boilers
- Heat Pumps
Home Cooling
- Air Conditioning Installation
- Air Conditioning Repair
- Air Conditioning Maintenance
Plumbing & Drains
- Toilets
- Sinks
- Faucets
- Sump Pumps
- Backwater Valves
- Main Drain Clearing
- Water Purification
- Sewer Backups
- Water Cleanup & Restoration
- Tankless Hot Water Heaters
Home Electrical
- Pot Light Installation
- Custom Homes Electrical Service
- Electrical Panel Upgrade
- Wiring
- Electrical Installations
- Home Electrical Safety
- EV Charger Installation
Indoor Air Quality
- UV Air Purifiers
- Duct Cleaning
- Humidifiers
What Homeowners Say About Us
4.8 Stars On Google From Over 2,700 Homeowners
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“They were on time, extremely professional, very knowledgeable, friendly, and did a great job. Most of all, the house is warm! They protected the floors and carpet and cleaned up after themselves.” - Mandy G.
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“Everything was seamless and professional. The technicians (Savis, Dev and Adam) explained the process clearly and did a clean job at our house. Wow! What an incredible job they did.” - Hamed R.
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“Our AC broke down and John Park from Mersey arrived within 24 hrs of our call for help. His knowledge and professionalism were outstanding and it was clear that he knew what he was talking about.” - Helen H.
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“We had our annual furnace and humidifier service today and Rocky was wonderful. He is professional, courteous and friendly and explained everything he had done and even left his work area cleaner than it had been before he started!” - Betty M.
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“I have had excellent service and will continue with them. Technicians are extremely efficient. Well done.” - Zina T.
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“Dave D. from Mersey Heating and Air Conditioning did an outstanding job when servicing our air conditioner, he also pointed out a potential problem with our water heater, which we really appreciate.” - Mary B.
The Mersey Heating and Air Conditioning Difference
Certified Technicians Providing Exceptional Service
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Perfect Temperatures
Our trademarked guarantees show that your satisfaction is our priority.
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Real Experience
We’ve been at work in the Greater Toronto Area for 50 years.
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People You Know
We’re locally based and operated and take pride in our reputation within our community.
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Always Ready
We are constantly prepared to help you in any HVAC emergency, and never charge for after-hours calls.
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Certified Knowledge
All of our technicians are highly trained and have undergone extensive background checks.
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Exceptional Reviews
We have an average Google rating of 4.8 and an A+ rating with the Better Business Bureau.
