Specialising in the installation of gas and oil boilers, air source and ground source heat pumps, photovoltaic (PV), solar thermal and underfloor heating, and mechanical ventilation heat recovery. We are also able to provide bathroom installations and small scale building works. We pride ourselves on delivering excellent customer service and high quality workmanship, all at competitive prices. We are able to install any domestic gas or oil boiler on the market. We work closely with Which Magazine's top UK boiler manufacturers, allowing us to offer up to a Ten Year Warranty on new boilers.

From our humble beginnings, at AJS we pride ourselves on being able to provide a friendly and efficient installation, maintenence and service experience for our customers. We are able to cater for brand new boiler installations, but can also replace boilers etc in existing systems. We are able to assist with Landlord safety checks and certification to ensure your tenant is safe and you are complying with Landlord regulations. We have extensive breakdown knowledge and our trusted engineers are able to fault find and rectify most boiler issues.

At AJS Gas & Heating Services Ltd, our engineers have experience and expertise in the installation, maintenance and repair of water based underfloor heating systems (Underfloor Heating systems that can work with high temp fossil fuel (gas or oil) or low temp renewable systems, such as air source or ground source heat pumps). Giving you, our customer a luxurious warm floor.

AJS are a certified installer under the Microgeneration Certification Scheme (MCS), which is a quality assurance standard backed by the UK Government. Only when using an MCS approved installer would you qualify for Government incentives, such as Renewable Heat Incentive (RHI), which provides financial support for the installation of renewable energy heating technologies. With your installation, you would receive an independently backed guarantee via The Home Insulation and Energy Systems Contractors Scheme (HIES), which is a consumer protection organisation covering the installation of renewable energy products.

Lee and Darren changed our old floor standing boiler over to a Vaillent boiler. They did a fantastic job. The space was a bit cramped to work in, We were very pleased with the final layout.

Great guys super service we would thoroughly recommend!

An Excellent service from beginning to end. Completely professional and kept me updated all the way through the job. I would highly recommend. Thank you so much.

What's new?

Thank you MGN Fabrications - Martin Newlyn for a first class job. We have another one required in the New Year so we'll be in touch

Posted on Dec 10, 2020  •  Facebook

Don't forget, we're still supporting #NHSHeroes with free emergency repairs to their boilers. It's our way of saying #ThankyouNHS for the incredible work you're doing and it's available until July 31st.https:// bddy.me/30bgHxG

Posted on Jul 14, 2020  •  Facebook

Due to the Covid-19 it is with deep regret that we have had to take the decision to close the business until the go… https://t.co/PGSpA2XyQH

Posted on Mar 27, 2020  •  Twitter

Unfortunately we are temporarily postponing the AJS Selfie competition for fairness and the safety of our valued cu… https://t.co/DVy1TDIpdj

Posted on Mar 27, 2020  •  Twitter

Due to the British Government Lockdown because of the COVID-19 pandemic, AJS will currently be operating on an emer… https://t.co/RCWeOWz7Tn

Posted on Mar 25, 2020  •  Twitter

@MitsubishiHVAC Ecodan Air Source Heat Pump and Cylinder for our client Oliver (Alan Bender Ltd) Please call 0120… https://t.co/LG6cgHYwrD

Posted on Mar 20, 2020  •  Twitter

Its still business as usual here at AJS Gas & Heating Services Ltd Dont forget to like our page, take a selfie next… https://t.co/qZ8B3aGIcX

Posted on Mar 19, 2020  •  Twitter

Just one of two emergency boiler installations undertaken this week. The customer decided to go ahead with a system… https://t.co/mvd3dwRtIb

Posted on Mar 11, 2020  •  Twitter

We Have A Vacancy!! Visit this link for more details https://t.co/cpwpd94Duw https://t.co/iVd3TliPTh

Posted on Mar 03, 2020  •  Twitter

We are currently working on a refurbishment project in Colchester. Our client has requested if Underfloor Heating c… https://t.co/Qa7zzp2F3N

Posted on Feb 28, 2020  •  Twitter

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