At AGW Gas Ltd, we’re proud to support the community of Long Ashton with expert boiler, heating, and air conditioning services. From the cottages and period homes around the village centre to the newer developments on the outskirts, our team understands the needs of local properties and deliver solutions that keep them comfortable all year round.
Our Gas Safe-registered and REFCOM-certified engineers provide everything from brand-new boiler installations and annual servicing to modern air conditioning systems designed to make your home or business comfortable in every season.
While Long Ashton is at the heart of our work, we also serve nearby areas including Flax Bourton, Ashton, Nailsea, Clevedon, and Yatton – helping households across North Somerset enjoy efficient heating and cooling.


At AGW Gas, we are specialists in domestic heating and boiler care. Our Gas Safe-registered engineers provide expert boiler installations, servicing, and repairs, along with complete central heating solutions for homeowners in Long Ashton and across North Somerset. Whether you need a brand-new boiler or fast repairs to keep your home warm, you can rely on our trusted team
If your current boiler is unreliable or costly to run, we can install a high-efficiency replacement tailored to your property. As Worcester Accredited Installers, we fit the latest boilers with extended guarantees of up to 12 years. From combi and condensing boilers to complete central heating upgrades, our installations are carried out with precision and care.
Annual servicing is essential to keep your boiler working safely and efficiently. Our engineers provide thorough checks and cleaning to help prevent breakdowns and improve performance. If problems do arise, we also offer fast, dependable repairs on all makes and models – from older systems to the latest Worcester Bosch boilers.
Our services cover the installation, maintenance, and repair of full central heating systems. This includes radiators, unvented hot water cylinders, and system upgrades. To improve efficiency and extend system life, we also recommend MagnaCleanse® flushing, which clears out debris and sludge, restoring performance and saving on energy bills.
We will only use the details you provide to us about you or your company directly in connection with the services we provide to you.
Climate Control Made Simple
Our air conditioning systems provide quiet, energy-efficient cooling and heating – ideal for bedrooms, home offices, or living spaces.
We offer:
Benefits of modern air conditioning:

Every 12 months – this keeps your boiler running efficiently and helps avoid costly breakdowns.
It depends on your property size and heating needs. We’ll recommend the most efficient option for your household.
Yes – we install the Wunda on-demand system, which is both energy-efficient and future-proof.
We recommend annually to extend lifespan, improve air quality, and maintain efficiency.
The system runs quietly and discreetly in the background, keeping your home comfortable.
Ready to improve your heating or cooling in Long Ashton? Get in touch for a free, no-obligation site survey and quote.
📞 Call us: 01275 846437 / 07796 132327
📧 Email: enquiry@agwgas.co.uk
🏠 AGW Gas Ltd, 52 Drakes Way, Portishead, Bristol, BS20 6LD
👉 Or simply Book Online below and our friendly team will be in touch.

At AGW Gas Ltd, we are proud to be the trusted choice for heating and air conditioning in Long Ashton. Our Gas Safe and REFCOM-certified engineers work with homeowners and businesses throughout the village, providing everything from new boiler installations to air conditioning repairs and annual servicing.
While most of our work is carried out in Long Ashton itself, we also serve nearby areas such as Flax Bourton, Ashton, Nailsea, Clevedon, Yatton, and surrounding parts of North Somerset. Wherever you are locally, you can rely on AGW Gas for a professional, friendly service that keeps your home comfortable all year round.