Climate control that never leaves you guessing.
London HVAC installs, repairs, and maintains air conditioning, heating, and ventilation systems for homes and businesses across Greater London — with honest pricing and engineers you can trust.
What we do
Complete HVAC services under one roof
From a single split-system to full commercial climate control, our engineers handle every aspect of heating, cooling, and ventilation.
Air Conditioning
Cool, efficient, reliable
From split systems to full commercial VRF installations, we design, fit, and maintain air conditioning that keeps your space perfectly comfortable year-round.
Learn moreHeating
Warmth you can count on
Gas Safe registered boiler and heating engineers. We install, repair, and service heating systems and heat pumps to keep your property warm and efficient.
Learn moreVentilation
Fresh air, properly managed
Healthy indoor air quality starts with the right ventilation. We install and maintain extraction, MVHR, and ductwork systems for homes and commercial kitchens.
Learn moreRepairs & Emergency Callouts
24/7 rapid response
When your system fails, our engineers are on call around the clock. Fast diagnosis, honest repairs, and the parts to get you back up and running.
Learn moreServicing & Maintenance
Prevent problems before they cost you
Planned maintenance keeps systems efficient, compliant, and long-lasting. Choose a one-off service or an ongoing maintenance contract tailored to your needs.
Learn moreNot sure what you need?
Book a free site survey and our engineers will recommend the right system for your space and budget.
Why London HVAC
Engineers who turn up, do it right, and stand by their work
We've built our reputation on clear communication, tidy workmanship, and systems that actually perform. No pushy upselling — just honest advice and lasting results.
More about usQualified & insured
Gas Safe registered and fully insured engineers. Every job meets current safety and compliance standards.
Genuine 24/7 response
Heating or cooling failure can't wait. Our emergency line is answered around the clock, every day of the year.
Experienced across sectors
From residential flats to retail, offices, and restaurants — we've fitted and maintained it all for 15+ years.
Energy-efficiency focused
We specify systems that lower running costs and carbon, including heat pumps and smart HVAC controls.
15+
Years in business
4,000+
Jobs completed
24/7
Emergency cover
4.9★
Average rating
How it works
A simple, transparent process
Get in touch
Call or book online. Tell us what's happening with your system.
We diagnose
An engineer assesses your setup and gives a clear, fixed quote.
We fix or install
Tidy, efficient work using quality parts and certified methods.
You stay comfortable
Ongoing servicing keeps everything running for years.
Talk to London HVAC Voice
Describe your heating or cooling issue out loud and our voice assistant will help guide you to the right next step — no typing required.
Ready to get your climate under control?
Book an appointment online in minutes, or call our team for an emergency callout.