Exchangenergy Inc.
“Liam Quayle and his team delivers the best service with good communication and work ethic .”
Best HVAC Contractors near Duncan, BC
2 of these companies are based in Duncan; the others serve Duncan from towns including Ladysmith (22 km), North Cowichan (1 km) and Crofton (10 km).
4 open 24/7 · 5 open weekends · 9 rated 4.5+ · 3 show a licence
Data verified October 31, 2026
Sub Zero Heating & Cooling Ltd.
“Fantastic service, when problems beyond their control arose with a unit they worked endlessly to ensure we got up and running as fast as possible.”
E & S Heating and Air Conditioning
“Technician was happy to answer questions, and shared excellent tips for gas safety.”
Fresco Refrigeration Ltd
“Overall, I'm very satisfied with their service and would highly recommend Fresco Refrigeration for any HVAC needs.”
Bluetide Heating & Cooling
“Enjoying a lovely hot day in my cool house all thanks to Taylor!”
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Sunvale Heating and Cooling
“There were no delays, they came the day we scheduled (months in advance) and it took as long as they said.”
The 10 companies listed for Duncan, BC 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: Duncan, BC
The 10 companies on this page are rated from 4.1 to 5.0 across 946 reviews; 5 have 50 or more reviews and 9 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (89%), punctuality (56%) and quality (56%). The topics that come up most in reviews of the companies on this page are "efficient" and "price". 4 are open around the clock and 5 are open on weekends. 3 show a licence on their websites. 4 offer emergency call-outs; 3 offer financing or payment plans; 7 give free estimates; 3 are family- or locally-owned and 5 list coupons or special offers. We have a website on file for all 10 of the companies on this page; all 10 publish a contact page; 8 list a public email and 3 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 10 companies have an address in Duncan; the rest come from other towns within 30 km. Crews drive to the job, so the address matters less than whether they answer calls in your area in winter.
Refined Hvac Ltd
“Great team, great customer service, great install, we are impressed and would use them again in a heartbeat.”
C & S Heating and Cooling
“Provided a critical solution that helped us immensely upstairs to make things comfortable for us during the hot and cold season.”
Island Wise Heat Pumps & Gas
“The whole process was smooth and I'd highly recommend Island Wise HVAC to anyone looking for excellent work and service.”
Lockhart Industries (Duncan) Ltd.
“This is an experienced family-run business that genuinely cares about customer satisfaction.”
Why these companies made our list
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