FREE Boilers

Free Boilers in Airdrie

Envirohomes Renewables, a trusted name in Scotland’s boiler installation industry, has been at the forefront of providing top-notch boiler installations for over a decade. 

With a team of highly qualified boiler engineers holding essential industry accreditations, including Qualitymark Protection, Gas Safe Register, PAS 2030 Certification, and Elmhurst Energy Assessment Accreditation, we are committed to helping you reduce energy bills, lower your carbon footprint, and contribute to Scotland’s Net Zero goal. 

Our primary focus is on providing fully funded boiler installation services to low-income households through the Government’s ECO 4 Grant program. In this article, we will delve into the details of the Free Boiler Scheme in Scotland, its eligibility criteria, and how it aligns with the Energy Company Obligation 4 (ECO4) scheme.

Who Qualifies For The Free Boiler Scheme?

The Free Boiler Scheme, also known as the Free Boiler Replacement Scheme, forms an integral part of the government-funded ECO4 program. This initiative is designed to combat fuel poverty, particularly among pensioners and low-income households, by enhancing heating systems and installing new boilers.

For over a decade, both the UK and Scottish governments have been offering free boiler grants and financial support to alleviate the energy burden on households across the UK. The Free Boiler grant, an integral component of the ECO4 boiler scheme, aims to provide various energy-saving enhancements to eligible homeowners. Qualification criteria include:

    • Total household income below £19,720 per annum.
    • Homeownership.
    • Receipt of benefits (such as Child Benefits and Income Support).
    • Pensioners aged over 60 receiving Pension Credit Benefits or similar.
    • An existing gas boiler over 15 years old.
    • A boiler with an Energy Performance Certificate (EPC) rating of D or lower.
    • A broken or faulty boiler.

What is
The ECO4 Scheme?

The Energy Company Obligation 4 (ECO4) scheme represents the latest government policy aimed at elevating energy efficiency in UK homes.

Launched in April 2022, this scheme is the fourth iteration in a series of government initiatives dating back to 2013.

The ECO3 scheme concluded in March 2022. The ECO4 scheme is scheduled to continue until March 2026. ECO4 adopts a holistic approach to energy efficiency, with a primary focus on upgrading heating systems in UK households. Although the ECO scheme’s core objective is not to provide warmth, it seeks to curtail carbon emissions, facilitating the UK’s journey toward carbon neutrality by 2050.

Since its inception in 2012, the ECO scheme has significantly improved energy efficiency standards in more than 2.3 million homes.

What does the ECO4 scheme cover?

The ECO4 scheme offers financial support for a wide spectrum of energy efficiency upgrades in UK homes, encompassing free boilers, central heating systems, boiler replacements, solar panels, air source heat pumps, storage heaters, and various insulation grants, such as loft, underfloor, external and internal wall, cavity wall, and roof insulation.

Types of Boilers Covered Under the Free Boiler Grant:

The Free Boiler Grant encompasses a range of boiler types, including conventional boilers, combi boilers, system boilers, and air-source heat pumps.

Which Types Of Boilers
Are Not Eco-Friendly?

Gas boilers

Environmental impact: Gas boilers are commonplace, requiring minimal electricity for ignition. However, they are among the less eco-friendly boiler types due to their reliance on natural gas, a fossil fuel that emits carbon dioxide (CO2) and other greenhouse gases upon combustion.

Efficiency: Older gas boilers possess a G-grade EPC rating with a mere 70% energy efficiency. While modern gas boilers are improving, they cannot match the efficiency levels of combi boilers or heat pumps.

Regulatory changes: Environmental concerns have led to stringent regulations for gas boilers, potentially phasing them out in the near future.

Back boilers

Environmental impact: Back boilers, often outdated models, exhibit high inefficiency (approximately 78%) compared to modern alternatives, such as combi boilers (over 90%). They are known for higher emissions and potential carbon monoxide risks, as they are usually installed behind fireplaces.

Outdated: Back boilers face scarcity of parts and obsolescence due to their inefficiency.

Regulatory changes: New boiler installations require an 86% efficiency rating, rendering back boilers obsolete.


Oil boilers

Environmental impact: Oil boilers run on heating oil, another fossil fuel. This process releases significant CO2 and sulfur dioxide into the atmosphere, contributing to air pollution and greenhouse gas emissions.

Efficiency: Older non-condensing oil boilers exhibit efficiency rates of 60-70%, whereas modern versions achieve rates exceeding 90%. This puts oil boilers at a disadvantage in terms of eco-friendliness

Which Types Of Boilers
Are Eco-Friendly?

Combi boilers

Combi Boilers: Combi boilers, short for combination boilers, represent highly efficient heating units that double as central heating systems. These boilers heat water directly from the mains, eliminating the need for a separate water storage tank.

They are characterized by their energy efficiency, on-demand hot water supply, space-saving design, ease of installation, and reduced maintenance requirements.

Heat Pumps

Heat pumps differ from boilers as they do not generate heat or rely on fossil fuels. Instead, they transfer heat from one location to another, facilitating heating or cooling.

Heat pumps can be powered by renewable sources like solar panels or wind power, making them energy-efficient and environmentally friendly.

Advantages of Eco-Friendly Combi Boilers


Yes, the Free Boiler Grant is part of the ECO scheme, which offers funding for various energy-saving enhancements, including free boilers, to eligible households in Scotland.

While combi boilers offer numerous benefits, they may struggle to meet high water demands in households with simultaneous, extensive usage, resulting in decreased water pressure.

While benefits are a crucial eligibility criterion for the Free Boiler Grant, you may still qualify even without receiving benefits.

Envirohomes Renewables can assist in determining your eligibility for a free boiler under the ECO4 scheme, irrespective of your benefit status.

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