Top-Rated HVAC Services
In Kitchener-Waterloo
Trusted Heating and Cooling Services in Kitchener-Waterloo & the Surrounding Areas since 1990!
Schedule Service1-866-234-8200
No Heat?
24/7 Emergency Help for $79
If your furnace has stopped working or blowing cold air, our licensed HVAC technicians can restore heat fast. Available 24/7 for emergency no-heat calls across Kitchener-Waterloo & the surrounding area.
- Emergency furnace repair
- Heat pump & boiler no-heat issues
- Ignition, blower & thermostat failures
- Serving Kitchener, Waterloo, Guelph, Cambridge & surrounding areas — 24/7
get in touch Now
Your Trusted Carrier Factory Authorized Dealer
As one of the best cooling and heating companies in Kitchener-Waterloo, Aire One Heating & Cooling KW is your trusted HVAC service in Kitchener-Waterloo, offering energy-efficient HVAC solutions. As a Carrier Factory Authorized Dealer, our HVAC company is committed to outstanding HVAC services by providing you with quality products, installation and systems expertise, excellence in service, plus Carrier’s 100% Satisfaction Guarantee.
Trusted HVAC Service
Straight From Your Neighbours
Real customers from Kitchener–Waterloo. Press play to hear why locals recommend us to friends and family!
About us
Why Choose Us?
As one of the best cooling and heating companies in Kitchener-Waterloo, our HVAC technicians are experienced in handling the installation and maintenance of furnaces, air conditioners, heat pumps, water heaters, and other appliances. Our HVAC company also offers VIP Membership Plans to assist you with annual maintenance inspections and HVAC services throughout the year.
Having your climate just right makes all the difference. That’s why many of us have furnaces, AC units, and air-quality products. You need a trusted HVAC service to install, repair, maintain, and replace your HVAC systems in Kitchener-Waterloo. Contact us for the best HVAC technicians in your area!
Learn About USRead Reviewsaire one KW reviews
What Our Customers Are Saying
Our Professional Affiliations
Aire One KW locations
Offering HVAC Services in Kitchener-Waterloo & the Surrounding Areas
For over 35 years, Aire One Heating and Cooling in Guelph has been offering HVAC services to Kitchener, Waterloo, Guelph, Cambridge, and the surrounding areas. Our dedicated team of 150 skilled HVAC technicians is available around the clock, ensuring Aire One Heating and Cooling Cambridge can deliver prompt emergency HVAC services whenever you need them, 24 hours a day, 7 days a week. Talk to our HVAC contractors in Kitchener-Waterloo today!
Heating services in Kitchener-Waterloo
Advanced Heating Systems in Ontario
Aire One Heating & Cooling in Kitchener-Waterloo is your trusted HVAC contractor in the area. Our HVAC company offers several energy-efficient heating solutions in Kitchener-Waterloo. Our HVAC contractors are here to help!
As one of the best cooling and heating companies in Kitchener-Waterloo, our expert HVAC technicians also provide comprehensive installation, repair, and maintenance services to ensure you stay warm and comfortable all year long. Contact us today!
Schedule ServiceHVAC Offers and Rebates
Our Exclusive Offers!
Discover our HVAC promotions and get rewarded with HVAC rebates in the Waterloo and Kitchener areas when you choose energy-efficient HVAC solutions. Claim your HVAC offer now!
Our news
Latest from our blog
Why Your Heat-Pump Is Noisy in Cold Weather – Normal Sounds vs Signs of Trouble
December 15, 2025
Cold mornings have a way of revealing things about your home you barely notice in
Read more
What to Do If You Smell Gas Near Your Furnace?
December 1, 2025
If you smell gas near your furnace, take it seriously. A furnace gas smell is
Read more
Carbon Monoxide Safety in Ontario: Where CO Alarms Must Be Installed and How to Test Them
November 15, 2025
If you live in Ontario, carbon monoxide (CO) safety isn’t optional. It’s a part of
Read moreHelp Center
Frequently Asked Questions
A great home climate is essential to your health and well-being! Keep things comfortable with Aire One Heating and Cooling in Kitchener-Waterloo.
Need cooling and heating repair in Kitchener-Waterloo? Contact Aire One KW for 24/7 emergency HVAC services. Want to save money? Ask our HVAC contractors about our coupons and HVAC rebates. Contact us now!
contact us1-866-234-8200
Get in touch
We’re here to help 24/7!
How can we help you?
Reach out to us today by filling out the form below:
Had less than a perfect experience? Contact our customer care team directly at Care@aireonekw.com.