About
Welcome to Diamond AirFlow, where comfort meets expertise. Established in 1986, we have grown to become one of Portsmouth's most trusted HVAC service providers. Our team handles air conditioning, furnace repair, heat pump installation, ductless systems, and more across the England area.
Services
- Commercial HVACGBP 239–425 · ESTIMATE
- Emergency ServicesGBP 197–663 · ESTIMATE
- Heating RepairGBP 80–299 · ESTIMATE
- Radiant HeatingGBP 163–451 · ESTIMATE
- Thermostat InstallationGBP 179–334 · ESTIMATE
Brands We Work With
Credentials
- License: GS-537603
- Insurance: Not verified
- Background check: Passed
- Employees: 11-25
- Service radius: 54 km
Reviews (12)
- ★★★★★Fair pricing
We have used Diamond AirFlow for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.
- ★★★★★Fair pricing
Diamond AirFlow did an amazing job. The technician arrived on time, was very knowledgeable, and fixed the issue quickly. Fair pricing too.
- ★★★★☆Fair pricing
Diamond AirFlow installed a new furnace for us last month. Great communication throughout the process and the crew was very respectful of our home.
- ★★★★★Friendly and efficient
Called Diamond AirFlow for an emergency repair and they were here within an hour. Professional, courteous, and got everything working again.
- ★★★★★Excellent work
Had Diamond AirFlow come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.
- ★★★★☆Five stars
After getting quotes from several companies, we went with Diamond AirFlow and glad we did. Best price and best service.
- ★★★★★Five stars
Outstanding customer service from start to finish. Diamond AirFlow went above and beyond to make sure we were comfortable.
- ★★★★★Highly recommend
Diamond AirFlow did an amazing job. The technician arrived on time, was very knowledgeable, and fixed the issue quickly. Fair pricing too.
- ★★★☆☆Best in town
Very happy with the service from Diamond AirFlow. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★★★Top notch
Diamond AirFlow diagnosed and fixed our heating issue when two other companies couldn't figure it out. True experts.
- ★★★★★Great service!
Diamond AirFlow diagnosed and fixed our heating issue when two other companies couldn't figure it out. True experts.
- ★★★★★Fair pricing
The team from Diamond AirFlow was friendly and efficient. They completed the AC installation ahead of schedule. Very satisfied.