Air Conditioning Grants UK: Which Non-Boiler Schemes Actually Cover Cooling

Do air conditioning grants UK cover cooling or only heating?

If you are hoping a government scheme will pay for cooling your bedroom, loft conversion, conservatory or office, the honest answer is: usually not, but there is now one narrow exception worth knowing about. Air conditioning grants UK searches mostly land on schemes that were built to get boilers out of homes, which means they fund heating-first equipment. The exception is the Boiler Upgrade Scheme's expansion to air-to-air heat pumps, systems that blow warm air in winter and cool air in summer [3].

The short version:

• Most heat pump grants UK cover air-to-water heat pumps: heating only, no cooling.
• The Boiler Upgrade Scheme offers £7,500 towards an air source heat pump [1].
• It has been expanded to offer a £2,500 discount for installing an air-to-air heat pump [3].
• The two are separate categories at different values, with conditions on property, equipment and installer attached to both.
• Owner-occupiers and landlords apply on the same conditions [7], and a scheme-funded air-to-air heat pump can only be installed in a residential property [8].

The rest of this guide separates the heating-first grants from the genuinely cooling-capable ones, explains what the money looks like once caps and conditions apply, and then splits eligibility three ways.

What air-to-air heat pump grants actually fund

Before the money makes sense, the kit needs naming properly, because three quite different things get lumped together under "heat pump".

The Boiler Upgrade Scheme's own wording is instructive: its £7,500 category is described as an air source heat pump, "sometimes called an air-to-water heat pump" [1]. That is a system that takes heat from outside air and moves it into water, feeding radiators, underfloor pipes or a hot water cylinder. It heats. It does not cool your bedroom in August.

An air-to-air heat pump works differently. It moves heat between outdoor air and indoor air through refrigerant and wall-mounted or ceiling units, which is why it can run in reverse and cool. Nesta describes exactly this: a system that "blows hot or cold air around a home" [4]. Physically, an air-to-air heat pump and a modern reversible air conditioner are close relatives, which is where most of the confusion comes from. If you want that distinction drawn out properly, our comparison of air-to-air heat pumps and air conditioning goes further.

Then there is cooling-only room air conditioning: a unit with no meaningful heating role. Nothing in the schemes discussed here is designed to fund that. Grant policy is decarbonisation policy, and a cooling-only box does not displace a gas boiler.

So the label matters more than the marketing. A product sold as "energy efficient air conditioning" is not automatically inside a grant category, and the smaller air-to-air discount attracts a different figure from the headline heating grant under the same scheme.

Not sure what should replace your heating? The planner compares the options and says what to keep and what to change, in about a minute. Plan my home → or watch it work (20 s) ↓

Heat pump grants UK compared with air conditioning funding schemes

Here is the comparison that most air conditioning grants UK pages skip: the same scheme pays two very different amounts depending on which technology you install.

Source: [1]

The Boiler Upgrade Scheme, which applies in England and Wales, offers one grant per property, with £7,500 towards an air source heat pump [1]. When government announced the expansion, it framed it clearly: the scheme "currently offers grants of £7,500 off the cost of installing an air source or ground source heat pump", and "now the scheme has been expanded to offer a £2,500 discount" off the cost of installing an air-to-air heat pump [3]. Two categories. Two values. One property.

That gap is deliberate rather than accidental. Air-to-water systems were the policy's original target, and the official notice of approved grant categories and values keeps distinct categories for different technologies rather than treating them as interchangeable [2].

What the headline numbers never show on their own:

• Capacity limits. Under the Boiler Upgrade Scheme, supported heat pump systems have capacity limits — generally 45kWth for individual systems, 70kWth for combined heat pump installations, and 300kWth for shared ground loops — so unusually large installations may fall outside the scheme [1].
• Cost-share reality. A grant is a contribution towards installation, not a rebate of whatever you spend.
• Equipment and property conditions. Nesta notes that eligibility for the air-to-air grant generally involves homeowners in England and Wales replacing fossil fuel heating and meeting property and installer criteria [4].
• Accredited installers. The application typically runs through an MCS-certified installer rather than the householder [4].

Grant values and categories are also revised over time by notice [2], so treat any figure you read anywhere, including this page, as a prompt to check the current guidance before ordering equipment.

How much air conditioning grants UK pay after caps

The distance between "there's a £7,500 heat pump grant" and what actually lands against your cooling project is the single most useful thing to understand.

The £7,500 grant is for air-to-water and ground source heat pumps [1]. The air-to-air discount, the one attached to a system that can cool, sits at £2,500 [3]. If you have been budgeting on the assumption that the bigger number applies to split-system comfort cooling, that assumption needs adjusting downward.

After that, the practical arithmetic depends on your building rather than the scheme:

• Installed cost varies with the number of indoor units, pipe runs, electrical work and access. A single bedroom unit and a whole-house multi-split are different projects. Our guide to home air conditioning costs sets out what drives those figures.
• One grant per property means you can only receive a single Boiler Upgrade Scheme grant for each eligible property [1].
• Where a grant covers a modest share of a larger job, payback is driven more by running costs and how many months a year you use the system than by the grant itself.
• Undersized or oversized equipment wrecks that arithmetic faster than any funding decision, which is why correct sizing for each room matters before you shop for money.

Values change. Categories change. The government publishes approved grant categories and values by notice, updated as policy moves [2], so re-check before you commit rather than trusting a figure quoted in an article or a quotation from last quarter.

Who can claim air conditioning grants UK as a homeowner, landlord or business

This is where most coverage collapses three audiences into one, and where readers get burned.

Owner-occupiers in England and Wales are the core case. Expect the scheme's own conditions: one grant per property [1], an MCS-certified installer handling the application on your behalf [4], and a genuine replacement of fossil fuel heating rather than an addition of summer cooling to a house that keeps its gas boiler. If you are unsure where your property sits, our heat pump grant eligibility checker walks through the scheme rules in detail.

Landlords apply through the same route as owner-occupiers. The scheme asks you to own the property you are applying for, including a property you rent out to tenants [7], and to be replacing a fossil fuel heating system [7]. The per-property limit [1] is what shapes a portfolio: each property is funded once, so a phased programme across several rentals needs a separate application for each property. A landlord's economics still turn on tenancy obligations and maintenance liability rather than on the grant, which is why a documented maintenance plan for rented properties tends to matter more to the numbers than a one-off discount.

Businesses and facilities managers cannot use the air-to-air grant for their own premises, because a scheme-funded air-to-air heat pump can only be installed in a residential property [8]. Offices, retail units, gyms, clinics and server rooms typically replace or upgrade cooling for uptime, comfort, capacity and compliance reasons rather than boiler replacement. For commercial projects the binding constraint is more often electrical: what your distribution board can actually carry. That is a different question, and one worth resolving early.

Same technology. Three different rulebooks. A quotation that treats them identically is a warning sign about the installer, not a shortcut.

Air to air heat pump grants and other non-boiler incentives

Two things are worth knowing beyond the UK scheme, kept clearly separate so nothing gets blended into an imaginary national programme.

International context, not UK money. Cooling-capable systems are increasingly the centre of incentive design elsewhere. In ENERGY STAR's survey of US programmes, air-source heat pumps were the most popular HVAC incentive technology in 2023, accounting for 26% of all HVAC incentives [5]. In California's separate state programme, income-qualified single-family homeowners may receive rebates of up to $8,000 towards a new energy-efficient heating and cooling heat pump [6]. Neither of those is available in the UK, and neither should be quoted at a British installer. They matter only as evidence that policymakers are moving towards systems that heat and cool, which is the same direction the Boiler Upgrade Scheme took when it added air-to-air [3].

Some public support is not a cheque at all. Nesta's argument alongside the grant announcement is that government endorsement of air-to-air heat pumps sends a signal to the market, and that making the technology succeed requires more than a subsidy line [4]. Supply-chain and installer capability work sits behind consumer incentives. For you, the practical consequence is that a well-trained installer is scarcer than the grant, and worth more over ten years than the discount.

Air conditioning grants UK FAQ

Are there government grants for air conditioning UK? Not for cooling-only air conditioning. The relevant route is the Boiler Upgrade Scheme's air-to-air heat pump category, aimed at systems that heat in winter and cool in summer [3].

Does the Boiler Upgrade Scheme cover air-to-air heat pumps? Yes. It was expanded to offer a £2,500 discount off the cost of installing an air-to-air heat pump, alongside its existing heat pump grants [3].

Is the £7,500 heat pump grant for room air conditioning? No. The £7,500 figure applies to an air source heat pump, described in the guidance as an air-to-water heat pump [1]. That is heating equipment.

Can landlords claim air conditioning grants UK? Yes. You can apply if you own the property, including a property you rent out to tenants [7], and you are replacing a fossil fuel heating system [7]. The one grant per property limit [1] then applies to each rental in a portfolio.

Can businesses get air conditioning funding schemes UK? Not for air-to-air cooling in commercial premises: a scheme-funded air-to-air heat pump can only be installed in a residential property [8]. Commercial cooling projects generally proceed on their own merits rather than through household grants.

Do I need an accredited installer? In practice yes: applications typically go through an MCS-certified installer who handles the paperwork [4].

Next steps before you apply for air to air heat pump grants

Even if you never claim a penny, the scheme's criteria make a decent filter for choosing an installer. Ask any company you are considering:

1. Which category does the system you are quoting fall into — air-to-water, air-to-air, or cooling-only?
2. Are you MCS-certified, and will you handle the grant application [4]?
3. What heating are we removing, and does that satisfy the replacement condition?
4. What documentation will I hold afterwards: commissioning records, F-gas paperwork, warranty registration?

Homeowners: confirm your property's tenure and current heating fuel, then check the published grant categories and values before signing anything [2].

Landlords: treat the grant as secondary. Sort tenure, access and a service schedule first, because how often the system is serviced governs your long-run cost.

Facilities managers: start with electrical capacity and load, not funding.

One more thing worth watching. The air-to-air category is newer than the rest of the scheme, and newer categories tend to be the ones that get revised, extended or tightened first.