About
Locally owned and operated, Diamond National Cool Air is your trusted source for professional HVAC installation, repair, and maintenance in Melbourne and the greater Victoria region. With over 59 years of experience, our certified technicians handle everything from emergency AC repairs to complete system replacements.
Services
- Duct InstallationAUD 248–304 · ESTIMATE
- Preventive MaintenanceAUD 300–601 · ESTIMATE
- Thermostat InstallationAUD 237–706 · ESTIMATE
Brands We Work With
Credentials
- License: LIC-47938-AU Verified
- Insurance: Verified
- Background check: —
- Employees: 11-25
- Service radius: 58 km
Reviews (12)
- ★★★★★Great service!
Very happy with the service from Diamond National Cool Air. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★★★Friendly and efficient
After getting quotes from several companies, we went with Diamond National Cool Air and glad we did. Best price and best service.
- ★★★★★Fair pricing
Diamond National Cool Air installed a new furnace for us last month. Great communication throughout the process and the crew was very respectful of our home.
- ★★★☆☆Five stars
Diamond National Cool Air installed a new furnace for us last month. Great communication throughout the process and the crew was very respectful of our home.
- ★★★★☆Would use again
The team from Diamond National Cool Air was friendly and efficient. They completed the AC installation ahead of schedule. Very satisfied.
- ★★★★★Impressed
Diamond National Cool Air diagnosed and fixed our heating issue when two other companies couldn't figure it out. True experts.
- ★☆☆☆☆Reliable and fair
Diamond National Cool Air diagnosed and fixed our heating issue when two other companies couldn't figure it out. True experts.
- ★★★★★Five stars
We have used Diamond National Cool Air for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.
- ★★★★☆Excellent work
Outstanding customer service from start to finish. Diamond National Cool Air went above and beyond to make sure we were comfortable.
- ★★★★★Quality workmanship
Very happy with the service from Diamond National Cool Air. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★★★Outstanding service
Diamond National Cool Air did an amazing job. The technician arrived on time, was very knowledgeable, and fixed the issue quickly. Fair pricing too.
- ★★★★★Outstanding service
Called Diamond National Cool Air for an emergency repair and they were here within an hour. Professional, courteous, and got everything working again.