Research-based review Analysis is research-based - compiled from manufacturer specs, MCS data and installer documentation. We do not own a heat pump; our calculators and data do the work.

Editorial review

Aira Heat Pump Review 2026: Purchase, Finance, Guarantee

3.8 / 5

★★★★★ ★★★★★ Recommended with caveats

Aira is a one-stop route to a heat pump: it surveys, designs, installs and handles the £7,500 BUS grant, and you own the system. You pay a quoted price up front or spread it on finance (5.9% APR over 5 years or 9.9% over 10 in Aira's representative examples), and can keep the 15-Year Aira Guarantee for £19.90/month after a free first year (Aira, October 2026). The guarantee is the differentiator; the trade-off is quote-only pricing that you cannot benchmark without a home visit. Score: 3.8/5 - strong for buyers who want one accountable provider and long cover, less so for price-shoppers.

Strengths

Aira handles the survey, design, install, BUS grant application and old-boiler removal in one contract
Optional 15-Year Aira Guarantee (comfort, performance, parts, labour and servicing) - free for year one, then £19.90/month (Aira, October 2026)
Zero-deposit finance over 5 or 10 years from 5.9% APR representative, with payments starting only once the system is running (Aira, October 2026)

Watch outs

No published price list - every price is an individual quote after a home energy assessment
Finance adds real cost: Aira's own £8,200 example totals £9,489 over 5 years at 5.9% APR or £12,949 over 10 years at 9.9% APR (Aira, October 2026)
Keeping the 15-year guarantee costs £19.90/month from year two - about £3,343 over years 2-15

Buy on airahome.com

Purchase price (Aira's representative example) £8,200 - typical 2-bed terrace, 6 kW; your quote will differ
5-year finance, 5.9% APR representative £158.15/month × 60 = £9,489 total (£1,289 cost of credit)
10-year finance, 9.9% APR representative £107.91/month × 120 = £12,949 total (£4,749 cost of credit)
15-Year Aira Guarantee Free in year one, then £19.90/month - £3,343 over years 2-15
15-year total, paid up front + guarantee £11,543
15-year total, 5-year finance + guarantee £12,832

We may earn a commission if you buy through this link - it never changes the price you pay or our editorial verdict.

A large alpha innotec heat pump outdoor unit against a concrete wall beside a modern house

By Rob Griffiths13 October 2026 · 10 min read

Aira sells a heat pump the conventional way - you buy it - but wraps a lot around the sale. A free home energy assessment produces an individual quote with the £7,500 Boiler Upgrade Scheme grant already applied; Aira designs the system, installs it, removes the old boiler and applies for the grant on your behalf. You then pay up front or spread the cost on finance, and you can keep the 15-Year Aira Guarantee, which covers comfort, performance, parts, labour and servicing, for £19.90 a month once its free first year ends (Aira, October 2026).

Earlier versions of this review described Aira as a 15-year monthly subscription. Aira's UK pages do not offer that: as of October 2026 the model is purchase plus optional finance, with the guarantee as a separate monthly cost. This is an editorial review built from Aira's published UK pages, BUS scheme rules under v5 (in force from 28 April 2026) and the cost arithmetic that follows from Aira's representative examples. We have not personally installed an Aira system. Last reviewed: 13 October 2026.

What you actually buy

The system, the install and the optional guarantee

Aira's product is not the heat pump in isolation. One contract covers the survey, design, hardware, installation and grant paperwork, and you own the installed system. What runs on after installation is optional: the 15-Year Aira Guarantee - the core of what Aira calls its all-inclusive plan - keeps Aira on the hook for the system's comfort, efficiency and repairs for as long as you pay for it.

Survey and install

Aira's Clean Energy Experts carry out a free home energy assessment and give an individual quote with the £7,500 BUS grant already deducted; Aira applies for the grant on your behalf. Installation is by Aira's own MCS-certified installers, and the old boiler is removed.

Hardware

Aira-branded air-source heat pump (an outdoor unit), an Aira-branded indoor unit, an unvented hot-water cylinder where required, and Aira's smart-controls hub. All under Aira's warranty and serviced by Aira engineers.

Maintenance and servicing

Servicing and call-outs are included while the 15-Year Aira Guarantee is active - free in year one, then £19.90/month (Aira, October 2026). Opt out and you keep the basic 5-year product and installation warranty and arrange servicing yourself.

Monitoring

Aira's smart controls connect to its cloud platform, allowing remote monitoring for fault detection and optimisation. Issues should be flagged before they become visible to the homeowner.

Warranty

The 15-Year Aira Guarantee combines a Comfort Guarantee (18-22°C indoors), a Performance Guarantee (at least 4x a gas boiler's efficiency over a year) and a product and installation warranty covering parts and labour. After its free first year it runs only while you pay for it.

Not included

Electricity to run the heat pump - that's still on the homeowner's bill, and Aira doesn't supply electricity. The system's running cost depends on which tariff you're on, just like any other heat pump (see our heat pump cost guide for the cost-per-kWh-delivered math).

The economics: what an Aira system costs

Aira's own representative examples, October 2026

Aira does not publish a price list - every installation is quoted individually after the home assessment. It does publish two representative finance examples for a typical 2-bed terraced house (6 kW Aira Heat Pump, 100 L indoor unit, 40 L buffer tank and two radiator upgrades) with an £8,200 purchase price. The table below uses those figures and adds the guarantee, so the lines can be set against buying from any other installer.

Who Aira suits

The buyer profile this works for

The case for Aira is not price - it is one accountable provider for the install and up to 15 years of cover. Aira makes sense when:

You want to spread the cost without a deposit

Aira's finance needs no deposit and payments start only once the system is running. Weigh the cost of credit: £1,289 over 5 years or £4,749 over 10 on Aira's £8,200 example (Aira, October 2026).

You'd otherwise pay for a maintenance plan anyway

Some owner-occupiers will pay £300-£500/year for a maintenance plan on a heat pump regardless. Aira's guarantee at £19.90/month (about £239/year) includes servicing, parts, labour and remote monitoring.

You actively don't want maintenance responsibility

Some buyers will simply never call out an engineer themselves. Aira's monitoring service surfaces issues automatically and dispatches its own engineers. For those buyers, that operational shield is worth real money.

You plan to stay in the property 10+ years

The guarantee's value grows with time in the home. If you might move in years 3-5, check its transfer terms and weigh how many years of cover you would actually use.

Your home is in Aira's serviceable area and meets the suitability spec

Aira's filter is tighter than the MCS-installer market average - well-insulated, wet-system-compatible, owner-occupied homes in their UK coverage map.

Who Aira doesn't suit

When a cheaper outright install is the better answer

Buyers focused on minimising lifetime cost

Aira's pricing is quote-only, and its 10-year finance adds £4,749 of interest on the representative example. If pure pound-cost is the target, get competing quotes and compare cash prices with servicing costed separately.

Properties where the install spec is unusual

Heritage properties, listed buildings, complex retrofits, or non-standard footprints may sit outside Aira's pre-quoted spec. A specialist MCS-certified installer doing a fully bespoke design will typically handle these better.

Buyers who'll move within 5–7 years

You own an Aira system, so it transfers with the house like any heat pump. But any outstanding finance has to be settled under the credit agreement, and the guarantee's transfer terms need checking - a short stay gets less from a 15-year guarantee.

Buyers who already have a trusted MCS installer

If you've already worked with a local installer who's quoted a good design at a fair price, Aira's main extra is the guarantee - weigh £19.90/month against a maintenance contract on a normal install. See our best heat pump installers UK 2026 guide for the comparison.

Off-gas-grid oil/LPG households (from July 2026)

With the £9,000 BUS uplift for oil/LPG homes confirmed from 21 July 2026, outright + grant for these households drops to as little as £0 net out-of-pocket in some scenarios. Check that Aira's quote applies the higher grant before comparing. See our uplift guide for the latest on the formal notice.

Customer service and the install experience

What UK early adopters report

Aira launched its UK operations in 2025 and has expanded substantially through 2026. Published UK press coverage and aggregated customer reviews consistently emphasise the install experience as the strongest part of the proposition - quote-to-commissioning is fast, the install team is single-source (no subcontractor coordination), and the app-based onboarding gets the smart controls working from day one.

Service and warranty handling are inherently harder to assess this early in the UK rollout - the oldest UK installs are still in their first or second year. Sweden, where Aira has been operating longer, provides a partial proxy, but UK-specific service quality at 5- and 10-year horizons isn't yet established and is the single biggest unknown in the proposition.

Alternatives worth considering

Side-by-side with the main outright-purchase route

Frequently asked questions

How much does an Aira heat pump cost in the UK in 2026?

Aira quotes each home individually after a free assessment, with the £7,500 BUS grant already applied. Its representative example is an £8,200 purchase price for a typical 2-bed terrace with a 6 kW unit. On finance that is £158.15/month over 5 years at 5.9% APR (£9,489 in total) or £107.91/month over 10 years at 9.9% APR (£12,949). The 15-Year Aira Guarantee is free for the first year and £19.90/month after that (Aira, October 2026).

Is Aira a subscription?

No. As of October 2026, Aira's UK pages sell the heat pump as a purchase - paid up front or on finance - and you own the system. The only optional ongoing charge is the 15-Year Aira Guarantee at £19.90/month from year two. Coverage describing a 15-year monthly subscription does not match what Aira currently sells.

Does Aira include electricity to run the heat pump?

No. Neither the purchase price nor the guarantee covers electricity. Electricity is still on your normal energy bill from whichever supplier you use. Heat pump running cost depends heavily on whether you're on a dedicated heat-pump tariff - see our heat pump cost guide for the cost-per-kWh-delivered numbers.

What happens if I sell the house?

The heat pump is yours and stays with the property like any fixed heating system. Any outstanding finance has to be settled under your credit agreement, and Aira has its own rules for transferring the guarantee to a new owner - check both before you commit, since UK homeowners typically move every 7-10 years.

Does Aira work in Scotland, Wales, or Northern Ireland?

Aira is expanding UK coverage but service availability varies by region - check the current coverage map on Aira's site. Note that BUS doesn't apply in Scotland or NI (Home Energy Scotland and NISEP do), so the grant on your quote differs there - Aira says it will guide Scottish customers through the available grants and loans.

What's the buyer's experience with Aira in 2026?

Aggregated UK customer reviews emphasise quote-to-commissioning speed, single-source install, and a polished app-based onboarding as the strongest parts of the offer. Service-quality at the 5- and 10-year horizon is the biggest unknown in the UK rollout - the oldest UK installs are still in their first or second year. Sweden, where Aira has been operating longer, suggests good long-term service quality but isn't a perfect proxy for the UK delivery network.

Is Aira compatible with the Boiler Upgrade Scheme grant?

Yes. Aira applies for the £7,500 Boiler Upgrade Scheme grant on your behalf and deducts it from your quote and invoice, so the grant shows as a reduction in the price rather than something you claim separately.

Can Aira install in a flat or maisonette?

Aira's suitability filter tends to exclude flats and shared-fabric properties unless the property has clear outdoor-unit placement and a wet heating system that can take the heat pump's flow temperatures. The same constraints apply to outright purchase though - heat pumps are inherently harder to fit in flats than in standalone houses.

Sources: Aira UK pages, read 13 October 2026 - heat pump financing (representative examples), Aira Heat Pump (guarantee price) and all-inclusive plan; Ofgem Boiler Upgrade Scheme Property Owner Guidance v5 (in force from 28 April 2026); DESNZ £9,000 oil/LPG uplift briefing (21 April 2026); Energy Saving Trust heat-pump cost and running-cost guidance. Last reviewed 13 October 2026. This is an editorial research-based review; Heat Pump HQ has not personally installed an Aira heat pump. Pricing, finance terms, and service availability change - always verify directly with Aira before signing.