About Dunn Heating and Air Conditioning
Reliable Heating, Cooling & Plumbing Services Since 1973
At Dunn Heating and Air Conditioning, we’ve been delivering dependable HVAC and plumbing solutions across Waterloo and the surrounding region for over five decades. Since the beginning, our goal has been quick response times, effective problem-solving, and quality workmanship that keeps your household systems operating smoothly.
Whether you’re facing a heating issue, cooling breakdown, or a plumbing concern, our team is available day or night to step in. We offer same-day service, work on all brands, and focus on delivering fast, efficient service with minimal disruption.
Modern Solutions Backed by Decades of Experience
From the days of coal and oil to today’s high-efficiency and smart home systems, Dunn Heating and Air Conditioning has grown alongside the industry. Our certified HVAC specialists and plumbers stay up to date with the latest technologies so we can provide up-to-date advice that works for both your comfort and your budget.
Whether you’re installing a heat pump, repairing a furnace, or clearing a clogged drain, you’ll get a team that comes prepared, experienced, and ready to get things running again.
Locally Based. Professionally Driven.
We’re not just another home service provider—we’re part of the community. With our headquarters in Waterloo and service extended throughout the region, including Kitchener, Cambridge, and beyond, our skilled team takes pride in delivering reliable service from the first call to the final result.
With Dunn Heating and Air Conditioning, you’re working with experienced pros who value your time, care about your home, and take pride in every job they do.
What Sets Dunn Heating and Air Conditioning Apart
Same-day repairs and next-day installations
24/7 emergency service available
Licensed, experienced technicians and plumbers
Clear communication and upfront pricing
Personalized solutions based on your home and comfort goals
Complete services in heating, cooling, plumbing & more
Serving Waterloo Region with dedication since 1973
What Homeowners Are Saying
See what customers across the Waterloo Region have to say about working with Dunn Heating and Air Conditioning. From urgent furnace issues to routine AC maintenance and plumbing help, we’re proud to deliver fast, knowledgeable service that gets things back to normal with ease.
Thanks to Tanner and Alai for their work, and thanks to Darren for his quick response to my request for a quote.
Dunn has an excellent team.
I just had a new York furnace and heat pump installed by Dunn Heating. Alex and his crew did a great job on the install! They installed the heat pump off my deck (where the AC had been) and into a much better spot beside my house and the thermostat to a far more convenient location. The whole team was very professional and cleaned up thoroughly after getting things set up and tested. I would highly recommend Dunn Heating and Air Conditioning.
Areas We Serve
Dunn Heating and Air Conditioning offers heating, cooling, plumbing, and air quality services throughout the Waterloo Region, with responsive support in:
- Baden
- Elora
- Fergus
- Guelph
- Waterloo
- Cambridge
- Conestogo
- Kitchener
- Elmira
- St. Jacobs
- Linwood
- New Hamburg
- Heidelberg
- Rosendale
- Wallenstein
- Bloomingdale
- St. Clements
- Winterbourne
- West Monrose
Let’s Get Your Home Back on Track
When your home’s systems need quick, reliable attention, Dunn Heating and Air Conditioning is here. We’re available 24/7, offering flexible appointments and fast, effective solutions—because your comfort matters.
Call us at (226) 887-3052 or book your service online today.
