About
Diamond London ThermalTech is a full-service HVAC contractor based in London, England. 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 Services
- Thermostat Installation
- Preventive Maintenance
- Emergency Services
- Energy Audits
Brands We Work With
Credentials
- License: GS-509548 Verified
- Insurance: Not verified
- Background check: —
- Employees: 51-100
- Service radius: 41 km
Reviews (3)
- ★★★★★Quality workmanship
Called Diamond London ThermalTech for an emergency repair and they were here within an hour. Professional, courteous, and got everything working again.
- ★★★★★Impressed
We have used Diamond London ThermalTech for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.
- ★★★★★Excellent work
We have used Diamond London ThermalTech for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.