About
Locally owned and operated, Diamond Temperature Control is your trusted source for professional HVAC installation, repair, and maintenance in Chicago and the greater Illinois region. With over 39 years of experience, our certified technicians handle everything from emergency AC repairs to complete system replacements.
Services
- Commercial HVACUSD 137–280 · ESTIMATE
- Duct InstallationUSD 162–416 · ESTIMATE
- Heat Pump ServicesUSD 193–288 · ESTIMATE
- Heating InstallationUSD 145–565 · ESTIMATE
- Radiant HeatingUSD 189–313 · ESTIMATE
- Thermostat InstallationUSD 103–330 · ESTIMATE
Brands We Work With
Credentials
- License: LIC-82873-US (Illinois IDFPR)
- Insurance: Verified
- Background check: Passed
- Employees: 26-50
- Service radius: 40 km
Reviews (12)
- ★★★★★Very professional
Had Diamond Temperature Control come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.
- ★★★☆☆Quality workmanship
Diamond Temperature Control diagnosed and fixed our heating issue when two other companies couldn't figure it out. True experts.
- ★★★★★Friendly and efficient
We have used Diamond Temperature Control for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.
- ★★★☆☆Best in town
After getting quotes from several companies, we went with Diamond Temperature Control and glad we did. Best price and best service.
- ★★★★☆Great service!
Had Diamond Temperature Control come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.
- ★★★★★Would use again
Very happy with the service from Diamond Temperature Control. 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 Temperature Control went above and beyond to make sure we were comfortable.
- ★★★★★Outstanding service
Had Diamond Temperature Control come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.
- ★★★★★Best in town
Had Diamond Temperature Control come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.
- ★★★★★Highly recommend
We have used Diamond Temperature Control for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.
- ★★★★★Highly recommend
Diamond Temperature Control installed a new furnace for us last month. Great communication throughout the process and the crew was very respectful of our home.
- ★★★★★Highly recommend
Outstanding customer service from start to finish. Diamond Temperature Control went above and beyond to make sure we were comfortable.