About
Diamond HeatWave Tech is a full-service HVAC contractor based in Seattle, Washington. Since 1965, we have built a reputation for honest, dependable service. Whether you need a new furnace installation, air conditioner repair, or a complete HVAC system upgrade, our factory-trained technicians are ready to help.
Services
- Heat Pump ServicesUSD 285–753 · ESTIMATE
- Ductless Mini-SplitUSD 176–401 · ESTIMATE
- Duct InstallationUSD 198–563 · ESTIMATE
Brands We Work With
Credentials
- License: LIC-14992-US Verified(Washington L&I)
- Insurance: Verified
- Background check: Passed
- BBB: B+(3 complaints)BBB Profile
- Employees: 6-10
- Service radius: 32 km
Reviews (18)
- ★★★★★Fair pricing
We have used Diamond HeatWave Tech for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.
- ★★★★★Five stars
Diamond HeatWave Tech diagnosed and fixed our heating issue when two other companies couldn't figure it out. True experts.
- ★★★★★Impressed
Diamond HeatWave Tech 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 HeatWave Tech diagnosed and fixed our heating issue when two other companies couldn't figure it out. True experts.
- ★★★★☆Best in town
Diamond HeatWave Tech did an amazing job. The technician arrived on time, was very knowledgeable, and fixed the issue quickly. Fair pricing too.
- ★★★★★Fair pricing
Diamond HeatWave Tech diagnosed and fixed our heating issue when two other companies couldn't figure it out. True experts.
- ★★★★★Reliable and fair
Very happy with the service from Diamond HeatWave Tech. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★★★Excellent work
Diamond HeatWave Tech did an amazing job. The technician arrived on time, was very knowledgeable, and fixed the issue quickly. Fair pricing too.
- ★★★☆☆Great service!
Outstanding customer service from start to finish. Diamond HeatWave Tech went above and beyond to make sure we were comfortable.
- ★★★★★Outstanding service
Had Diamond HeatWave Tech come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.
- ★★★★☆Reliable and fair
After getting quotes from several companies, we went with Diamond HeatWave Tech and glad we did. Best price and best service.
- ★★★★★Best in town
Very happy with the service from Diamond HeatWave Tech. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★☆☆Top notch
Outstanding customer service from start to finish. Diamond HeatWave Tech went above and beyond to make sure we were comfortable.
- ★★★★★Impressed
Called Diamond HeatWave Tech for an emergency repair and they were here within an hour. Professional, courteous, and got everything working again.
- ★★★★★Top notch
Diamond HeatWave Tech installed a new furnace for us last month. Great communication throughout the process and the crew was very respectful of our home.
- ★★★★☆Impressed
Called Diamond HeatWave Tech for an emergency repair and they were here within an hour. Professional, courteous, and got everything working again.
- ★★★★★Good experience
After getting quotes from several companies, we went with Diamond HeatWave Tech and glad we did. Best price and best service.
- ★☆☆☆☆Great service!
Diamond HeatWave Tech installed a new furnace for us last month. Great communication throughout the process and the crew was very respectful of our home.