ECO Engine Limited
Government
Grants for UK
Households
Slash your energy bills all with eco-friendly solutions, and resolve your queries easily under the TrustMark protection!
ECO Engine
At ECO Engine Limited, we believe in more than just creating warm homes; we’re dedicated to building a future where energy efficiency is at the forefront. As a trusted partner in the pursuit of sustainable living, we reckon ourselves as a support by providing energy-efficient heating solutions under the ECO Scheme.
We are currently operating under the ECO4 Scheme which is the fourth phase of the Government’s Energy Company Obligation, running until 31 March 2026. We have assisted the UK homes in all the previous Phases ECO1, ECO2, and ECO3.
Quality over quantity: We prioritise high-performance insulation materials and accredited installers for lasting comfort and energy savings.
Transparency and trust: We believe in open communication and clear pricing, so you can make informed decisions with confidence.
Customer Focus: Our aim is to get your satisfaction and we go the extra mile to ensure your happiness with our service.
Our Stories
1000+
Installation
5+
Offices
£2.5 Million+
in every bill saving
£2.0 Billion+
tones CO2 saved
Services
Based on the property’s EPC rating, ECO Engine Limited provides upgrades through the ECO4 scheme. Our offerings include free boiler replacement, solar panels, air source heat pump grants, loft insulation, external wall insulation, and more. It all begins with a complimentary energy assessment of your property. Select from our range of services and embark on your journey toward efficient heating solutions.

Free Air Source
Heat Pump
Access the latest renewable technology with a Free Air Source Heat Pump.

Free Storage Heater Replacement
Improve the energy efficiency of your home with replacement electric storage heaters.

Free Back Boiler Replacement
Replace your back boiler with a new modern Gas A rated combination boiler.
Application Process
Verify Your Eligibility
Enter your postcode and details. We'll swiftly check your eligibility and get back to you.
Get a Quick Call
Upon receiving your information, expect a robust call from us or you can call us to discuss grant details.
Book Your Home Survey
We'll schedule a free home survey upon your permission to assess your home EPC in just 30-minutes.
Get Your Boiler Installed
After the verification, we'll install an energy-efficient heating system (at least 1-year warranty)
Your Feedback/ Complaints
Lastly, don’t forget to leave quick feedback or complaints, as we are eager to improve further.
ECO4 Scheme Eligibility
Must be a Homeowner or a Private Tenant.
Home with eligible Energy Performance Certificate (EPC rating below D).
Property must have an EPC rating of lower D, E, F, or G.
Inefficient heating system preferred for upgrade benefits.
Low income (Less Than £31,000 annual household income).
Must receive at least one of these benefits:
-Pension Credit Savings Credit.
-Pension Credit Guarantee Credit.
-Universal Credit.
-Income-based JSA/ESA.
-Income Support.
-Working Tax Credit.
-Housing Benefit.
-Child Benefit (Income Threshold).
-Child Tax Credit.
