About
Diamond Champion Air Conditioning is a full-service HVAC contractor based in London, England. Since 1991, 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
- Gas Safe BoilersGBP 122–293 · ESTIMATE
- VentilationGBP 242–576 · ESTIMATE
Brands We Work With
Credentials
- License: GS-306461 Verified
- Insurance: Verified
- Background check: Passed
- Employees: 1-5
- Service radius: 23 km
Reviews (20)
- ★★★★★Very professional
Called Diamond Champion Air Conditioning for an emergency repair and they were here within an hour. Professional, courteous, and got everything working again.
- ★★★★★Great service!
Diamond Champion Air Conditioning did an amazing job. The technician arrived on time, was very knowledgeable, and fixed the issue quickly. Fair pricing too.
- ★☆☆☆☆Reliable and fair
The team from Diamond Champion Air Conditioning was friendly and efficient. They completed the AC installation ahead of schedule. Very satisfied.
- ★★★★★Would use again
Diamond Champion Air Conditioning did an amazing job. The technician arrived on time, was very knowledgeable, and fixed the issue quickly. Fair pricing too.
- ★★★★☆Good experience
We have used Diamond Champion Air Conditioning for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.
- ★★★★★Fair pricing
Called Diamond Champion Air Conditioning for an emergency repair and they were here within an hour. Professional, courteous, and got everything working again.
- ★★★★★Impressed
Called Diamond Champion Air Conditioning for an emergency repair and they were here within an hour. Professional, courteous, and got everything working again.
- ★☆☆☆☆Impressed
Very happy with the service from Diamond Champion Air Conditioning. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★★★Best in town
Had Diamond Champion Air Conditioning come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.
- ★★★★★Great service!
Diamond Champion Air Conditioning installed a new furnace for us last month. Great communication throughout the process and the crew was very respectful of our home.
- ★★★★☆Good experience
Diamond Champion Air Conditioning did an amazing job. The technician arrived on time, was very knowledgeable, and fixed the issue quickly. Fair pricing too.
- ★★★★★Good experience
Diamond Champion Air Conditioning installed a new furnace for us last month. Great communication throughout the process and the crew was very respectful of our home.
- ★★★★★Very professional
Had Diamond Champion Air Conditioning come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.
- ★★★★★Would use again
Diamond Champion Air Conditioning 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
Had Diamond Champion Air Conditioning come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.
- ★★★☆☆Highly recommend
After getting quotes from several companies, we went with Diamond Champion Air Conditioning and glad we did. Best price and best service.
- ★★★★★Highly recommend
After getting quotes from several companies, we went with Diamond Champion Air Conditioning and glad we did. Best price and best service.
- ★★★☆☆Reliable and fair
After getting quotes from several companies, we went with Diamond Champion Air Conditioning and glad we did. Best price and best service.
- ★★★☆☆Highly recommend
Outstanding customer service from start to finish. Diamond Champion Air Conditioning went above and beyond to make sure we were comfortable.
- ★★★★★Highly recommend
Diamond Champion Air Conditioning installed a new furnace for us last month. Great communication throughout the process and the crew was very respectful of our home.