About
Welcome to Diamond Cool Air, where comfort meets expertise. Established in 2014, we have grown to become one of Kingston's most trusted HVAC service providers. Our team handles air conditioning, furnace repair, heat pump installation, ductless systems, and more across the Ontario area.
Services
- HVAC System DesignCAD 99–212 · ESTIMATE
- Indoor Air QualityCAD 290–742 · ESTIMATE
- Radiant HeatingCAD 284–478 · ESTIMATE
- RefrigerationCAD 373–495 · ESTIMATE
Brands We Work With
Credentials
- License: LIC-94345-CA Verified
- Insurance: Verified
- Background check: —
- Employees: 26-50
- Service radius: 53 km
Reviews (22)
- ★★★★☆Excellent work
After getting quotes from several companies, we went with Diamond Cool Air and glad we did. Best price and best service.
- ★★★★★Fair pricing
Very happy with the service from Diamond Cool Air. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★★★Great service!
Outstanding customer service from start to finish. Diamond Cool Air went above and beyond to make sure we were comfortable.
- ★★★★★Outstanding service
Very happy with the service from Diamond Cool Air. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★★☆Highly recommend
Diamond Cool Air installed a new furnace for us last month. Great communication throughout the process and the crew was very respectful of our home.
- ★★★★★Very professional
After getting quotes from several companies, we went with Diamond Cool Air and glad we did. Best price and best service.
- ★★★★☆Outstanding service
Diamond Cool Air did an amazing job. The technician arrived on time, was very knowledgeable, and fixed the issue quickly. Fair pricing too.
- ★★★☆☆Five stars
The team from Diamond Cool Air was friendly and efficient. They completed the AC installation ahead of schedule. Very satisfied.
- ★★★★★Good experience
We have used Diamond Cool Air for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.
- ★★★★★Top notch
Had Diamond Cool Air come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.
- ★★★★★Good experience
Very happy with the service from Diamond Cool Air. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★★★Five stars
Had Diamond Cool Air come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.
- ★★★★★Outstanding service
We have used Diamond Cool Air for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.
- ★★★★★Fair pricing
Very happy with the service from Diamond Cool Air. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★★★Fair pricing
Diamond Cool Air diagnosed and fixed our heating issue when two other companies couldn't figure it out. True experts.
- ★★☆☆☆Excellent work
Very happy with the service from Diamond Cool Air. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★★☆Great service!
Diamond Cool Air did an amazing job. The technician arrived on time, was very knowledgeable, and fixed the issue quickly. Fair pricing too.
- ★★★★★Excellent work
Had Diamond Cool Air come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.
- ★★★☆☆Great service!
We have used Diamond Cool Air for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.
- ★★★★★Five stars
Diamond Cool Air installed a new furnace for us last month. Great communication throughout the process and the crew was very respectful of our home.