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Home HVAC service in Thornhill.

HVAC Services in Thornhill

Thornhill’s choice for 24/7 home comfort.

Heating, cooling, indoor air quality, plumbing, and electrical service near you.

At Mersey Heating & Air, we know our Thornhill neighbours, and we know HVAC.

With 45 years of helping homeowners in this community under our work belts, our team of certified techs is always happy to offer fast, friendly, and cost-effective, cost-saving.

Count on us for round-the-clock savings, service, and solutions for all things home comfort.

Our commitment to cost saving also means we never charge extra fees for after-hours, weekend, holiday or emergency furnace & AC repair.

Furnaces, air conditioning, indoor air quality, plumbing, and electrical service: we’ve seen it all, and we do it all.

Book a service today.

Save up to $3,000 on a new system in Thornhill.

Plus, make no payments – including interest – on a new system.

Upgrade your home heating and save up to $3,000 on your new system – plus, make no payments and pay no interest.

Mersey make cost savings on home comfort easy.

Get this deal today.

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 Thornhill 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.

Get in touch with the pros at Mersey today.

Book a home HVAC service in Thornhill today.

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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.”