Expert air conditioning installation, servicing and 24/7 emergency call-outs across all London boroughs. Trusted by hundreds of homes and businesses.
A BBC producer discovered Ahmed's Sky News piece on air conditioning mis-selling and invited him onto BBC Radio 4's flagship consumer programme, You & Yours. Ahmed joined as the industry expert, helping listeners identify and avoid rogue AC companies targeting homeowners during the UK heatwave.
Every installation delivered to the highest standard across London.
Efficient year-round heating — same system, reversed.
Powerful, quiet cooling for London's hottest days.
BBC Radio 4 Guest · Sky News Commentator · Lecturer, CNWL
For over a decade, A Star Air Conditioning Ltd has been keeping London homes and businesses perfectly comfortable — summer and winter. Our director Ahmed is a recognised industry expert, a lecturer in Air Conditioning & Refrigeration at The College of North West London, and has been featured as a consumer protection expert on BBC Radio 4 and Sky News.
We cover all 32 London boroughs with fast response times and no inflated travel charges.
Clear itemised quotes before any work starts. No surprises, no hidden costs — ever.
24/7 availability across London. Most emergency call-outs attended within hours.
We install Daikin, Mitsubishi, Samsung and more — all to manufacturer standards and best practice.
From a single room to a full commercial building — we design, install and maintain the perfect climate solution.
Full supply and installation for homes and businesses across London. Correctly sized, cleanly installed — first time, every time.
Get a Quote →Annual servicing keeps your system running efficiently, extends its lifespan and protects your warranty. Maintenance plans available.
Book a Service →System down at the worst time? We're available 24/7 across all London boroughs. Fast response, same-day fix.
Call 07941 410576 →Offices, retail, hospitality, server rooms and more. We design commercial systems that keep staff comfortable and businesses running.
Discuss a Project →Wall-mounted splits, multi-room systems and discreet cassettes. Minimal disruption, maximum comfort — finished to the highest standard.
Get a Quote →One system, year-round comfort. Cool in summer, warm in winter — energy-efficient, whisper-quiet and eligible for government incentives.
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Brands We Install & Service
"Absolutely brilliant from start to finish. Professional, punctual and the installation looks immaculate. Would recommend A Star to anyone in London without hesitation."
"Emergency call-out during a heatwave — arrived within hours and had us back up and running the same day. That level of service is genuinely rare. Fantastic team."
"Came in lower than three other quotes and did a better job than any of them. Knowledgeable, tidy, and the unit has been running perfectly ever since."
"Three units installed across our office — completely seamless from survey to sign-off. Really professional operation. They are now our go-to for annual servicing."
"Exactly what they promised, delivered exactly on time. Honest pricing, incredibly tidy work. The system runs whisper quiet — the bedroom is finally comfortable."
"Booked them again for the annual service — always a pleasure. Punctual, thorough, and they actually explain what they are checking and why. Genuinely rare tradespeople."
All certifications current and available on request before any work begins.
AC broken down? We respond fast — any time, any day, across all London boroughs.
Fill in the form and we will get back to you within 24 hours — or call us now for immediate help.
No commitment required · Response within 24 hours