About
Diamond ThermalTech Direct has been proudly serving the London, England area since 1975. Our team of licensed technicians provides expert heating, cooling, and ventilation services for both residential and commercial properties. We are committed to delivering top-quality workmanship, transparent pricing, and exceptional customer service on every job.
Services
- Indoor Air QualityGBP 196–352 · ESTIMATE
- Thermostat InstallationGBP 88–234 · ESTIMATE
- Commercial HVACGBP 134–273 · ESTIMATE
- Preventive MaintenanceGBP 106–582 · ESTIMATE
- Energy AuditsGBP 179–361 · ESTIMATE
- Radiant HeatingGBP 107–346 · ESTIMATE
Brands We Work With
Credentials
- License: GS-350287 Verified
- Insurance: Not verified
- Background check: Passed
- Employees: 11-25
- Service radius: 58 km
Reviews (6)
- ★★★★☆Five stars
After getting quotes from several companies, we went with Diamond ThermalTech Direct and glad we did. Best price and best service.
- ★★☆☆☆Friendly and efficient
Outstanding customer service from start to finish. Diamond ThermalTech Direct went above and beyond to make sure we were comfortable.
- ★★★★★Fair pricing
Very happy with the service from Diamond ThermalTech Direct. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★★★Impressed
After getting quotes from several companies, we went with Diamond ThermalTech Direct and glad we did. Best price and best service.
- ★★★★☆Reliable and fair
Had Diamond ThermalTech Direct come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.
- ★★★★★Friendly and efficient
Had Diamond ThermalTech Direct come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.