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Air Source
Heat Pump

How to Qualify for a Free Boiler Grant?

Are high energy bills making it harder to keep your home warm? At Zero Carbon Emission, we help UK households unlock 100% free heating solutions through the government-backed ECO4 Scheme — including Air Source Heat Pump grants.
We’re here to guide you through the qualification process and bring you energy-efficient warmth with zero upfront costs.

Supporting the UK's Carbon Reduction Goals

Air Source Heat Pumps (ASHPs) are a key part of the UK’s mission to reduce building-related carbon emissions by 50% by 2035. Heating accounts for nearly 25% of the country’s fossil fuel use — and ASHPs are leading the clean energy transition. That’s why the government is aiming to install 600,000 heat pumps per year by 2028.

Air Source Heat Pumps – Smart, Sustainable Heating

Air Source Heat Pumps work by capturing heat from the air — even in cold weather — and transferring it indoors to warm your space. In the summer, they reverse to provide cooling. Here’s why they’re a game-changer for your home:

  • Use less electricity than traditional boilers

  • Cut utility bills by up to 50%

  • Eco-friendly with minimal carbon emissions

  • All-season performance, even in low temperatures

  • Ideal for UK homes, compatible with most property types

Who Qualifies for an Air Source Heat Pump Grant?

To be eligible for a government-funded Air Source Heat Pump under the ECO4 Scheme, the following criteria must be met:

You are the property owner where the heat pump will be installed.
You are replacing an outdated heating system powered by fossil fuels or electricity with a renewable system like an air source heat pump.
Your property has a valid Energy Performance Certificate (EPC) with minimal heat loss.

Why Choose Zero Carbon Emission?

We handle everything — from eligibility checks and surveys to grant applications and certified installations. Our mission is simple: helping you live comfortably while saving energy and cutting emissions — at no cost to you.

FAQ

What should I know before submitting my application?

To be eligible for an air-source heat pump grant, your home must have proper insulation and experience minimal heat loss. This ensures the heat pump operates efficiently and helps keep your electricity bills low.

Yes, before installation, a qualified installer must conduct a full technical assessment of your home. They’ll guide you on the necessary steps to get your home ready for a heat pump system.

  • Boiler Upgrade Scheme: Grants up to £5,000 for ASHP installations.

  • ECO4 Grant: Up to £7,500 available for qualifying households installing ASHPs.

  • Home size: Bigger homes need larger pumps, which cost more.

  • Pump type: Air-to-water and air-to-air pumps have different pricing.

  • Location & installer: Costs can vary based on region and who installs the unit.

  • Total installation cost: £7,000 – £13,000

  • Pump unit cost: £3,000 – £6,000

  • Installation and labour: £4,000 – £7,000