About
Locally owned and operated, Diamond National Comfort Systems is your trusted source for professional HVAC installation, repair, and maintenance in Toronto and the greater Ontario region. With over 8 years of experience, our certified technicians handle everything from emergency AC repairs to complete system replacements.
Services
- AC RepairCAD 180–377 · ESTIMATE
- Commercial HVACCAD 141–587 · ESTIMATE
- RefrigerationCAD 192–691 · ESTIMATE
- Radiant HeatingCAD 340–746 · ESTIMATE
Brands We Work With
Credentials
- License: LIC-65251-CA
- Insurance: Verified
- Background check: Passed
- Employees: 51-100
- Service radius: 76 km
Reviews (7)
- ★★★★★Very professional
After getting quotes from several companies, we went with Diamond National Comfort Systems and glad we did. Best price and best service.
- ★★★★★Would use again
We have used Diamond National Comfort Systems for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.
- ★★★★★Reliable and fair
Very happy with the service from Diamond National Comfort Systems. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★★☆Friendly and efficient
Very happy with the service from Diamond National Comfort Systems. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★☆☆Fair pricing
Very happy with the service from Diamond National Comfort Systems. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★☆☆☆Excellent work
After getting quotes from several companies, we went with Diamond National Comfort Systems and glad we did. Best price and best service.
- ★★★★☆Reliable and fair
Diamond National Comfort Systems did an amazing job. The technician arrived on time, was very knowledgeable, and fixed the issue quickly. Fair pricing too.