Best HVAC Contractors near Waterdown, ON
2 of these companies are based in Waterdown; the others serve Waterdown from towns including Hamilton (9 km), Oakville (22 km) and Burlington (8 km).
12 open 24/7 · all 15 open weekends · all 15 rated 4.5+ · 4 show a licence
Data verified November 11, 2026
Family Hvac Inc
Dynamic Heating & Cooling
Precision Hvac Mech Inc
Aire One West Heating & Cooling
Hamco Heating and Cooling Ltd.
The 15 companies listed for Waterdown, ON handle furnaces and heat pumps in winter and the cooling side in summer. Profiles repeat what each firm publishes about hours, licensing and brands, with ratings and review quotes gathered from public reviews.

Area overview: Waterdown, ON
The 15 companies on this page are rated from 4.7 to 5.0 across 40,582 reviews; all 15 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (90%), punctuality (80%) and quality (80%). The topics that come up most in reviews of the companies on this page are "efficient", "price" and "cleanliness". 12 are open around the clock; all 15 are open on Saturdays and 14 on Sundays. 4 show a licence on their websites. Domain records put 3 websites of the companies on this page at ten or more years old; the oldest dates from 2005. 14 offer emergency call-outs; 8 offer financing or payment plans; 10 give free estimates; 4 are family- or locally-owned and 9 list coupons or special offers. We have a website on file for all 15 of the companies on this page; 14 publish a contact page; 13 list a public email and 4 take bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Why do some of these firms show another city?
2 of the 15 companies have an address in Waterdown; the rest come from other towns within 25 km. Crews drive to the job, so the address matters less than whether they answer calls in your area in winter.
Appleby Systems Heating & Cooling
Shipton's Heating & Cooling Ltd
Spurr Heating & Air Conditioning
B & G Heating & Cooling
Smith Heating & Cooling
Reliance Home Comfort
Danlex Gas
Nik Hvac Heating and Cooling
Abbey Air Home Services by Enercare
Why these companies made our list
What customers say about companies near Waterdown
- “Would recommend using this company to anyone that needs furnace/thermostat repair.” — customer of Family Hvac Inc
- “Technician ANDREW serviced my furnace today. Highly knowledgeable, honest, cheerful, professional and customer service oriented.” — customer of Appleby Systems Heating & Cooling
- “The technician took the time to clearly explain every step of the furnace replacement, provided regular updates, and was very respectful of our home throughout the process.” — customer of Precision Hvac Mech Inc
- “Allan did our furnace maintenance today. He was very professional and friendly.” — customer of Abbey Air Home Services by Enercare
- “Nathan was very responsive to my inquiry re: humidifier for our furnace.” — customer of Smith Heating & Cooling
Excerpts from public reviews of the companies listed on this page.
HVAC Contractors near Waterdown
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