AN Heating Ltd — Heating Engineers & Plumbers

40+

Years of Trust

Our Story

A Family-Run Name Wiltshire Trusts

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.

Worcester Bosch Accredited Installer
Gas Safe, OFTEC, WaterSafe & WRAS Registered
Domestic & Commercial — most work through recommendations

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Our Services

Everything for Heat, Hot Water & Comfort

Boiler Installations

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 Options

Service & Repairs

Annual 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.

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Commercial Gas

Commercial 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 Safety

Plumbing & Bathrooms

All 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 & Bathrooms

Air Conditioning

Professional 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 Conditioning

Renewables & Heat Pumps

Move 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.

Renewables

What We Do

Complete Heating & Plumbing Solutions

Seven featured service categories covering every domestic and commercial heating, hot water and comfort need across Wiltshire.

Boiler Installations

Gas & oil boilers, oil tanks and the latest condensing technology — Worcester Bosch Accredited.

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Service & Repairs

Annual servicing and rapid breakdown repairs for gas and oil systems, keeping you safe and warm.

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Commercial Gas

Installations, repairs, upgrades and landlord gas safety certificates for businesses and landlords.

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Plumbing & Bathrooms

Full plumbing, bathroom refurbishments, un-vented cylinders and powerflushing.

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Finance

Buy Now, Pay Later from just £24.25/month with Novuna Personal Finance, subject to status.

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Air Conditioning

Air conditioning unit installation and servicing for year-round home and business comfort.

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Renewables & Heat Pumps

Air source heat pump installation & servicing plus solar heating for greener, lower-cost energy.

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Your Safety First

Only Use a Gas Safe Registered Engineer

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. 66798

Get In Touch

Get a Free, No-Obligation Quote

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.

From £24.25/monthBuy Now, Pay Later — subject to status & credit check

Request Your Free Quote

We'll reply as quickly as we can.

Our Customers

Trusted by Wiltshire Homeowners

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

View All 227 Checkatrade Reviews

Review summaries reflect AN Heating's 9.9/10 Checkatrade rating. See verified, named reviews in full on Checkatrade.