Norm's Plumbing
“Dan was swift and thorough getting our AC up and running quickly.”
Best HVAC Contractors in Nanaimo, BC
15 companies listed · 13 in Nanaimo · 5 open 24/7 · 7 open weekends · 14 rated 4.5+
Data verified November 6, 2026
Twin Peaks Plumbing
“Connor was great went above and beyond and always with a smile.”
Bryan's Mechanical
“I had my heat pump and some baseboard heaters installed within a few hours and am thrilled with them and the follow up service I required after my remote took a swim on Christmas morning!”
Archie Johnstone Plumbing & Heating
“Had a great experience working with them excellent customer service and efficient work highly recommend !”
Servicexcel Heating
“We are very pleased with his attention to our heat pump ( heater/air conditioner).”
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Coastal Energy Ltd
“Chris and Santiago, the installers, were very polite, kind, clean and professional with regard to every aspect of the job.”
The 15 companies listed for Nanaimo, 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: Nanaimo, BC
13 of the 15 companies we list are based in Nanaimo; the other 2 do not publish an address. The companies on this page are rated from 3.8 to 5.0 across 7,783 reviews; 10 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (91%), responsiveness (82%) and quality (80%). The topics that come up most in reviews of the companies on this page are "efficient", "price" and "estimates". 5 are open around the clock; 7 are open on Saturdays and 5 on Sundays. The services the companies on this page list most often on their websites are plumbing (3), heating & cooling (2) and maintenance (2). 6 show a licence on their websites. 7 have ten or more years of experience, the longest 40 years. 6 offer emergency call-outs; 5 offer financing or payment plans; 7 give free estimates; 5 are family- or locally-owned and 9 list coupons or special offers. 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 Nanaimo work on Saturdays or Sundays?
Saturday or Sunday hours show up for 7 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.
Blue Flame
“Blue Flame staff were personable, professional and efficient right from the first interaction for the quote, to the last for final fine tuning.”
Pro Temp Control
“James designed a custom ducted and ductless heat pump system for our circa 1895 house and it is perfect!”
The Comfort Group Heating Co
“Lovely experience with Chey - she was very approachable, kind and not intimidating!”
West Temp Heating & Cooling
“Jeff and Phil ensure that during the installation that the inside of the house remains clean by using items such as drop cloths and floor runners.”
Westcore Electrical & Mechanical
“We had fantastic experience with this company, great attitudes and stand by their product.”
DCS Technical
“Our water heater broke and Dustin was able to come the next day and get us back up and running.”
Gaswise Heating Service
“Phil has installed several natural gas devices for us , including fireplace, hot water heater , tube radiant heater, and all work great.”
West Bay Mechanical Ltd
“Had deans crew do our mechanical and found them extremely professional to take care of everything and would highly recommend them”
JD Plumbing and Gas
“Holly was concise with keeping our household informed with appointment and rebate information; and Jason provided services that were professional, considerate and tidy for our 71 year old house.”
Why these companies made our list
What customers say about companies in Nanaimo
- “Installation of a new furnace was done professionally in a timely manner, plus taking the time to explain what to expect with the change out.” — customer of Pro Temp Control
- “Our recent heat pump installation was excellent! The crew installing the units was friendly, knowledgeable, thorough, and efficient.” — customer of Coastal Energy Ltd
- “I have no problem recommending Norm's to anyone as the trades people who performed my installation of a heat pump and hot water tank were professional and efficient.” — customer of Norm's Plumbing
- “Furnace repair completed by Archie’s service technician was prompt, precise, and executed with care for the wellbeing of myself and my family.” — customer of Archie Johnstone Plumbing & Heating
- “James was very professional and helpful. The installation of the new furnace was smooth.” — customer of Pro Temp Control
Excerpts from public reviews of the companies listed on this page.
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