Best HVAC Contractors near Woolwich, ON
1 of these companies is based in Woolwich; the others serve Woolwich from towns including Kitchener (16 km), Waterloo (11 km) and Guelph (19 km).
10 open 24/7 · 13 open weekends · all 15 rated 4.5+ · 6 show a licence
Data verified October 21, 2026
CH Mechanical Inc.
Total Home Energy Systems
Delta Air Systems Ltd.
Advance Heating & Cooling KW
Unique Air
The 15 companies listed for Woolwich, 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: Woolwich, ON
The 15 companies on this page are rated from 4.7 to 5.0 across 15,100 reviews; 14 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (84%), responsiveness (78%) and quality (72%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "cleanliness". 10 are open around the clock; 13 are open on Saturdays and 12 on Sundays. The services the companies on this page list most often on their websites are cooling (3), heating (3) and water heater (3). 6 show a licence on their websites. Domain records put 5 websites of the companies on this page at ten or more years old; the oldest dates from 1997. 13 offer emergency call-outs; 8 offer financing or payment plans; 8 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; all 15 publish a contact page; 12 list a public email and 2 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.
Do any heating firms listed for Woolwich work on Saturdays or Sundays?
Saturday or Sunday hours show up for 13 of the 15 companies on this page. Saturday is mostly repair work; installations land on weekdays, because supply houses and municipal inspectors keep weekday hours.
Able Air Conditioning & Heating
All Year Heating and Cooling Inc.
CJ Brubacher Ltd
Air Wave Heating and Cooling
Guelph Climatecare
Arthur's Heating & Cooling
Infiniti Air Conditioning & Heating
Regional Air
Aire One Heating & Cooling KW
Why these companies made our list
What customers say about companies near Woolwich
- “From initial contact, their professionalism, response time, and courteous performance was well presented throughout the process of removing and replacing our furnace.” — customer of Waterloo Energy Products & Mechanical Inc.
- “We had our furnace serviced before winter. Phil was on time, courteous and did a detailed inspection of our furnace.” — customer of Able Air Conditioning & Heating
- “Great service from start to finish. Very responsive, quick to schedule work and answered all my questions.” — customer of Delta Air Systems Ltd.
- “I recently booked a furnace/ac tune-up. Technician, Mark, was on time, knowledgeable, efficient & friendly.” — customer of Total Home Energy Systems
- “Great install from friendly knowledgeable techs on a furnace and great customer service.” — customer of All Year Heating and Cooling Inc.
Excerpts from public reviews of the companies listed on this page.
HVAC Contractors near Woolwich
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