AJS Energy Gas & Heating Services
We are a family-run heating and renewable energy technologies company based in Colchester, covering the whole of East Anglia.
With over 40 years of experience in providing smart energy solutions, AJS Smart Energy has the expertise and know-how to install and service your heating and renewable energy technology systems.
Smart Energy for Tomorrows Future.






What We Do
At AJS Energy, we're not just experts in installing and maintaining gas and oil services. We also specialise in the installation of renewable energy solutions, including air source heat pumps, underfloor heating and solar photovoltaics (PV).
We're committed to helping our customers reduce their carbon footprint and live greener lives by installing high-quality renewable energy solutions in their homes.
Our Areas of Expertise
Our team of qualified engineers can provide a range of gas and oil services, as well as the installation and maintenance of renewable energy technologies.

Air Source Heat Pumps
• Installation
• Maintenance & repair

Gas & Oil Heating Systems
• New boiler installations
• Repairs to existing systems
• Maintenance and servicing
• Landlord gas safety checks

Underfloor Heating
• Water-based systems
• Installations
• Maintenance and repair

Renewable Energy Technologies
• Solar photovoltaic (PV)
• Battery storage
• EV charging

Air source heat pumps
Surprisingly Cost-Effective
The idea of a new heating system may seem financially daunting, but with the government's Boiler Upgrade Scheme, it's more accessible than ever. This scheme offers homeowners up to £7,500 towards installing eco-friendly heating options like air source heat pumps.
As an accredited MCS air source heat pump installer, we're delighted to manage the grant application for you, making your transition to a more sustainable home seamless and straightforward!
A TEAM YOU CAN TRUST
Our team are Gas Safe and OFTEC-registered engineers for domestic heating installations. All our engineers are highly skilled in what they do - they have the expertise and know-how to work on your gas and heating services.
Our team is also MCS-registered, a certification only awarded to those who can install renewable energy systems like air source heat pumps, ground source heat pumps, photovoltaic (PV) and solar thermal to the highest industry standards.
All our work is covered by a 12-month workmanship guarantee. In addition, the products we install are covered by their manufacturer's warranties. This gives you the confidence to know our services, repairs and parts will keep your home warm and cosy for years to come.
Here to help
Unlike other gas and heating service providers, we have a dedicated team of customer service experts on hand to help you with any questions or concerns.
Having this specialist team of customer advisors means we can respond to your queries quickly, so you can get the help you need fast.
But don't take our word for it - read the testimonials of happy customers we've helped across Essex and wider East Anglia.
CONTACT US
Call: 01206 230 435
Email: info@ajsenergy.com

Send your enquiry