About
Locally owned and operated, National HVAC Tech is your trusted source for professional HVAC installation, repair, and maintenance in Cardiff and the greater Wales region. With over 40 years of experience, our certified technicians handle everything from emergency AC repairs to complete system replacements.
Services
- Commercial HVACGBP 164–370 · ESTIMATE
- HVAC System DesignGBP 208–674 · ESTIMATE
- Duct CleaningGBP 112–411 · ESTIMATE
- Gas Safe BoilersGBP 107–286 · ESTIMATE
- Thermostat InstallationGBP 243–513 · ESTIMATE
Brands We Work With
Credentials
- License: GS-955107 Verified
- Insurance: Verified
- Background check: Passed
- Employees: 26-50
- Service radius: 22 km
Reviews (28)
- ★★★★★Very professional
National HVAC Tech diagnosed and fixed our heating issue when two other companies couldn't figure it out. True experts.
- ★★★★★Excellent work
Very happy with the service from National HVAC Tech. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★☆☆Excellent work
National HVAC Tech did an amazing job. The technician arrived on time, was very knowledgeable, and fixed the issue quickly. Fair pricing too.
- ★★★★★Five stars
Very happy with the service from National HVAC Tech. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★★★Good experience
Outstanding customer service from start to finish. National HVAC Tech went above and beyond to make sure we were comfortable.
- ★★★★★Top notch
We have used National HVAC Tech for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.
- ★★★☆☆Excellent work
Had National HVAC Tech come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.
- ★★★★☆Reliable and fair
Outstanding customer service from start to finish. National HVAC Tech went above and beyond to make sure we were comfortable.
- ★★★☆☆Highly recommend
National HVAC Tech did an amazing job. The technician arrived on time, was very knowledgeable, and fixed the issue quickly. Fair pricing too.
- ★★★★★Reliable and fair
National HVAC Tech diagnosed and fixed our heating issue when two other companies couldn't figure it out. True experts.
- ★★★★☆Excellent work
Called National HVAC Tech for an emergency repair and they were here within an hour. Professional, courteous, and got everything working again.
- ★★★★★Impressed
After getting quotes from several companies, we went with National HVAC Tech and glad we did. Best price and best service.
- ★★★★★Fair pricing
We have used National HVAC Tech for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.
- ★★★★☆Top notch
Had National HVAC Tech come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.
- ★★★★★Top notch
Very happy with the service from National HVAC Tech. They replaced our entire HVAC system and the difference is night and day. Highly recommend.
- ★★★★☆Friendly and efficient
We have used National HVAC Tech for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.
- ★★★★★Quality workmanship
After getting quotes from several companies, we went with National HVAC Tech and glad we did. Best price and best service.
- ★★★★★Good experience
Outstanding customer service from start to finish. National HVAC Tech went above and beyond to make sure we were comfortable.
- ★★★★★Great service!
National HVAC Tech installed a new furnace for us last month. Great communication throughout the process and the crew was very respectful of our home.
- ★★★★★Top notch
We have used National HVAC Tech for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.