ThermalNova HVAC Installation & Service
Services About Why Us Reviews FAQ Get a Quote
★ Trusted by 4,200+ UK homes & businesses

Your Comfort
Our Expertise

Professional air conditioning, HVAC, and boiler services across the UK. Same-day call-outs, fixed-price quotes, backed by a 10-year guarantee.

Get Your Free Quote Explore Services
✓ Gas Safe Registered ✓ REFCOM Certified ✓ 10-Year Warranty
Quick Estimate

What do you need?

Your details

Great, give us a bit and we'll get in touch with you!

Thank you for contacting us.

Call 0843 575 653

Free no-obligation quote · Same-day service available

Our Services

Complete HVAC & Boiler Solutions

From installation to maintenance, we keep your home or business comfortable all year round.

Air conditioning unit
Cooling

Air Conditioning

Installation, maintenance & repair of split, multi-split & ducted AC systems for homes and businesses.

  • ✓ Free site survey
  • ✓ All major brands
  • ✓ Same-day repair
Get a Quote
Boiler heating system
Heating

Boiler Services

Expert installation, servicing & repair of combi, system & conventional boilers. Gas Safe registered.

  • ✓ 10-year warranty
  • ✓ Fixed-price repairs
  • ✓ Annual servicing
Get a Quote
HVAC system equipment
Ventilation

HVAC Systems

Full HVAC design, installation & maintenance for commercial & domestic properties, including heat pumps.

  • ✓ Commercial & domestic
  • ✓ Energy-efficient design
  • ✓ BREEAM compliant
Get a Quote
About ThermalNova

Keeping Britain Comfortable

We are a family-run HVAC, air conditioning, and boiler service company based in the UK. We have grown from a small local team to a trusted name in home comfort.

Every engineer is fully qualified, Gas Safe registered, and fully insured. We stand behind every job with our guarantee.

12+

Years Experience

Serving since 2012

8K+

Projects Completed

And counting

50+

Certified Engineers

Gas Safe & MCS

98%

Satisfaction Rate

Across all services

Why Choose Us

We Do Things Differently

No call-out fees, no hidden costs, no hard sell. Just honest, expert service.

✓

Fixed Prices

Know the cost before we start. No hidden fees, ever.

⏱

Same-Day Service

Call before 12pm and we will be with you today.

★

10-Year Guarantee

All workmanship backed by our comprehensive warranty.

⚙

Fully Certified

Gas Safe, MCS, F-Gas & REFCOM registered engineers.

Testimonials

What Our Customers Say

★★★★★

"Coming soon..."

SJ

Sarah J.

Boiler Repair · London

★★★★★

"Coming soon..."

MP

Mark P.

AC Installation · Birmingham

★★★★★

"Coming soon..."

JD

James D.

Annual Service · Manchester

FAQ

Frequently Asked Questions

We offer same-day service for emergencies. Call us before 12pm and we will have an engineer with you the same day. For gas leaks or no-heat situations, we prioritise these immediately.

Every ThermalNova engineer is Gas Safe registered, fully insured, and undergoes continuous training. Our AC engineers hold F-Gas certification, and our heat pump installers are MCS certified.

Yes. We provide fixed-price quotes before any work begins. What we quote is what you pay — no hidden fees, no surprises. Emergency call-outs have a flat rate.

We cover London, the South East, the Midlands, and expanding across the UK. Enter your postcode in our quick quote tool to check same-day availability in your area.

Yes, we offer 0% finance on boiler and AC installations over £2,000. Spread the cost over 12 months with no interest. Subject to status. Terms apply.

Ready to Get Started?

Call us for a free, no-obligation quote. Same-day service available across most of the UK.

Call 0843 575 653 Request a Callback

Free quotes · No obligation · 10-year guarantee on all work

Services

Company

Gas Safe MCS F-Gas REFCOM

Contact

☎ 0843 575 653

✉ info@thermalnova.com

⚲ 131 Birchway, Hayes, UB3 3PD

Mon-Fri: 8am-6pm · Sat: 9am-4pm
Emergency: 24/7

© 2026 Careerswise Limited trading as ThermalNova. All rights reserved. Registered in England & Wales (no. 12951809).

Call for a free quote Call Now →