ThermalNova HVAC Installation & Service
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★ 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.

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✓ Gas Safe Registered ✓ REFCOM Certified ✓ 10-Year Warranty
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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
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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
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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
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About ThermalNova

Keeping Britain Comfortable Since 2012

We are a family-run HVAC, air conditioning, and boiler service company based in the UK. Over the past decade, we have grown from a small local team to one of the most trusted names in home and commercial comfort.

Every engineer is fully qualified, Gas Safe registered, and fully insured. We stand behind every job with our 10-year workmanship guarantee.

★★★★★4.9Trustpilot · 12,400+ reviews
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 & RECC registered engineers.

Testimonials

What Our Customers Say

★★★★★

"Incredible service from start to finish. The engineer arrived on time, diagnosed the issue quickly, and had our boiler running within the hour. Cannot recommend enough."

SJ

Sarah J.

Boiler Repair · London

★★★★★

"Had a full AC system installed in our office. The team was professional, tidy, and finished ahead of schedule. The cooling is fantastic. Best investment we have made."

MP

Mark P.

AC Installation · Birmingham

★★★★★

"We have used ThermalNova for years. Their annual boiler service is thorough, pricing is fair, and they always call to remind us when it is due. Great service all round."

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.

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

Services

Company

Gas Safe MCS F-Gas RECC

Contact

☎ 0843 575 653

✉ info@thermalnova.co.uk

⚲ 99 Bishopsgate, London EC2M 3XD

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

© 2025 ThermalNova Ltd. All rights reserved. Registered in England & Wales (no. 12345678). Gas Safe Register: 123456.

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