Free Boiler & Insulation Grants
Fully Funded by the UK Government

Reduce your energy bills by up to 40% with free loft and cavity wall insulation. Available now for eligible UK homeowners and tenants.

Save thousands on your energy bills
Increase your home's comfort and value
100% government-funded installation

Check Your Eligibility

See if you qualify for a free boiler replacement in under 2 minutes

100% secure and protected

Simple Application Process

Getting your free boiler replacement is easier than you think. Our streamlined process gets you from application to installation quickly.

1. Eligibility Check

Quick 2-minute assessment to confirm you qualify for the ECO4 scheme funding

2. Free Survey

Our certified engineer visits your home to assess your current heating system

3. Free Installation

Professional installation of your new boiler at no cost to you

ECO4 Scheme: Free Energy Upgrades for UK Homes

The Energy Company Obligation (ECO4) is a UK government scheme that provides free energy efficiency upgrades to eligible households. This initiative helps reduce energy bills, improve home comfort, and support the UK’s net-zero targets.
Save £1000+ Annually

Reduce your heating bills significantly

A+ Energy Rating

Boost your home's energy efficiency

2.3M+ Homes Helped

Join thousands of satisfied customers

Until March 2026

Limited time government funding

No obligation • Free consultation • Government approved installers

Our Free Energy Services

All our services are completely free under the ECO4 scheme for eligible households. Choose the energy upgrade that’s right for your home.

Free Boiler Replacement

Replace your old, inefficient boiler with a brand new A-rated condensing boiler.

Key Benefits:

  • A-rated efficiency
  • 10 year warranty
  • £1000+ annual savings
  • Professional installation

Free First Time Central Heating

Complete central heating system for homes without any existing heating infrastructure.

Key Benefits:

  • Full system installation
  • Radiators included
  • Pipework & controls
  • Whole house heating

Free Air Source Heat Pumps

Eco-friendly heating solution that extracts warmth from outside air to heat your home.

Key Benefits:

  • 300% efficient
  • Low carbon heating
  • RHI payments eligible
  • Future-proof technology

Free Wall Insulation

External and cavity wall insulation to dramatically reduce heat loss and energy bills.

Key Benefits:

  • Cavity wall insulation
  • External wall insulation
  • Reduced heat loss
  • Warmer home

Not sure which service you need?

Our certified energy advisors will assess your home and recommend the best free upgrades available under the ECO4 scheme.

Why Choosey Free New Boiler?

We’re the UK’s trusted partner for ECO4 scheme installations. Here’s what sets us apart from other energy efficiency companies.

Industry Expertise

20+ years of experience with over 50,000 successful installations across the UK.

Hassle-Free Process

We handle everything from eligibility checks to installation - no stress for you.

Tailored Solutions

Each installation is customized to your home's specific heating requirements.

Eco-Friendly Results

Reduce your carbon footprint while saving money with energy-efficient heating.

Quick Installation

Most installations completed in just 1-2 days with minimal disruption.

Full Guarantees

All work comes with comprehensive warranties and ongoing support.

5,000+

Homes Upgraded

10+

Years Experience

100%

Customer Satisfaction

£50M+

Energy Bill Savings

What Our Customers Say

Don’t just take our word for it. Here’s what real customers have to say about their free energy upgrades through the ECO4 scheme.
Excellent

4.9 out of 5 based on 2,847 reviews

Trustpilot

“Absolutely brilliant service from start to finish. The team replaced our old boiler completely free under the ECO4 scheme. Our heating bills have dropped by over £80 per month!”

Sarah Mitchell

Birmingham

Free Boiler Replacement
“We had no central heating in our home before. Free New Boiler installed a complete system at no cost. The house is now warm and comfortable for the first time in years.”

David Thompson

Manchester

Free Central Heating System
“The air source heat pump installation was seamless. Professional team, excellent communication, and now we’re saving hundreds on our energy bills. Highly recommended!”

Emma Johnson

Leeds

Free Air Source Heat Pump

Lower Your Energy Bills Today

See how upgrading your home’s energy efficiency rating can dramatically reduce your heating costs and make your home more comfortable.

What is your Property EPC Ratings?

Quick Ways to Improve Your Home's Energy Rating

Free Air Source Heat Pumps

Replace old boilers (G-D rated) with new A-rated models

Improve Insulation

Add cavity wall and loft insulation to reduce heat loss

Smart Controls

Install smart thermostats and heating controls