Family-run for over 40 years. Worcester Bosch Accredited and Gas Safe registered — covering gas & oil boilers, heat pumps, air conditioning, plumbing and commercial gas across Trowbridge, Melksham, Bath & all of Wiltshire.
Our Story
AN Heating Ltd is a family-run heating engineering and plumbing company based in Semington, Trowbridge — built on a reputation that comes almost entirely through recommendations. Our senior managing director brings over 40 years of hands-on experience at the very top of the trade.
From a single boiler service to a full bathroom refurbishment, commercial gas project or air source heat pump installation, we put the customer first every single time — with honest advice, tidy workmanship and accredited, fully qualified engineers.
Our Services
Expert installation of gas boilers, oil boilers and oil tanks using the latest high-efficiency condensing technology. As Worcester Bosch Accredited Installers, we replace and upgrade boilers across Wiltshire — with flexible finance available from £24.25 a month.
Explore Boilers Finance OptionsAnnual boiler servicing and fast, reliable breakdown repairs for gas and oil systems. Regular servicing keeps your boiler safe, efficient and protects your manufacturer's guarantee — for both domestic and commercial customers.
Book a ServiceCommercial gas installations, breakdowns, repairs and upgrades, plus commercial plumbing and heating. We also provide Landlord Gas Safety Certificates (CP12) and gas safety inspections to keep your property fully compliant.
Commercial Gas Landlord SafetyAll aspects of plumbing — from leaks and repairs to complete bathroom refurbishments, un-vented cylinder installations and powerflushing to restore your heating system's performance.
Plumbing & BathroomsProfessional air conditioning unit installation and servicing to keep your home or business cool in summer and comfortable all year round — designed and fitted to suit your space.
Air ConditioningMove to greener, more efficient heating with air source heat pump installation and servicing, plus solar heating solutions — helping you lower running costs and reduce your carbon footprint.
RenewablesWhat We Do
Seven featured service categories covering every domestic and commercial heating, hot water and comfort need across Wiltshire.
Gas & oil boilers, oil tanks and the latest condensing technology — Worcester Bosch Accredited.
Learn more →Annual servicing and rapid breakdown repairs for gas and oil systems, keeping you safe and warm.
Learn more →Installations, repairs, upgrades and landlord gas safety certificates for businesses and landlords.
Learn more →Full plumbing, bathroom refurbishments, un-vented cylinders and powerflushing.
Learn more →Buy Now, Pay Later from just £24.25/month with Novuna Personal Finance, subject to status.
Learn more →Air conditioning unit installation and servicing for year-round home and business comfort.
Learn more →Air source heat pump installation & servicing plus solar heating for greener, lower-cost energy.
Learn more →
Your Safety First
Only use a Gas Safe Registered Engineer to fit, fix and service your gas appliances. It's the law — and it's the only way to be sure the person working on your gas is properly qualified and competent.
Every engineer at AN Heating is fully qualified and registered, so you can have complete confidence in the safety and quality of every job we carry out.
Gas Safe Registered — No. 66798Get In Touch
Tell us what you need — a new boiler, a service, a bathroom or a heat pump — and our friendly team will get straight back to you. Spread the cost with flexible finance and enjoy total peace of mind from a family-run, fully accredited company.
We'll reply as quickly as we can.
Our Customers
Most of our new work comes through recommendations — here's why people keep coming back. Rated 9.9/10 from 227 reviews on Checkatrade.
Reliable, tidy and professional from start to finish. Our new boiler was fitted with no fuss and the team explained everything clearly. Highly recommend.
Verified Checkatrade Customer
Excellent, friendly service at a fair price. They came out quickly, sorted the problem and left everything spotless. A genuinely trustworthy local company.
Verified Checkatrade Customer
First class from quote to completion. Punctual, knowledgeable and great value. We wouldn't use anyone else for our heating and plumbing now.
Verified Checkatrade Customer
Review summaries reflect AN Heating's 9.9/10 Checkatrade rating. See verified, named reviews in full on Checkatrade.
Areas We Cover
Based in Semington, we cover a wide area across Wiltshire and the surrounding region for both domestic and commercial work.
Also covering Staverton, North Bradley, Southwick and all surrounding Wiltshire areas.
Full Service List
Find Us
Pop in, call or message us — we're always happy to help with friendly, honest advice.