Grant Aerona 290 (2.61–9.3 kW)
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Grant Aerona 290 (2.61–9.3 kW)

Specifications and technical data

✓ BUS eligibleAir Source (ASHP)ResidentialR2902.61–9.3 kW
ManufacturerGrant
ModelAerona 290
Model codeHPR2909
Heat pump typeAir Source (ASHP) All Air Source heat pumps →
ApplicationResidential All Residential heat pumps →
RefrigerantR290 All R290 heat pumps →
ModeHeating only
Heating capacity2.61–9.3 kW
Max heating output (low temp)9.21 kW at A-5/W55
COP (heating)4.93 at A7/W35
SCOP (heating)4.74 at W35
Operating range (air)-25 to 35 °C
Heating flow temperatureup to 75 °C
Electrical supply220-240V (Single Phase)
Dimensions (H×W×D)854 × 1223 × 461 mm
Operational Weight131 kg
Sound power level54 dB(A) (Sound Power LW(A))
Price (unit only)£2,717–£5,010.73 (checked 28/08/2026)
Data added2026-06-25
Data sourceManufacturer Data Sheet
VerificationVerified by a human
Boiler Upgrade Scheme✓ BUS eligible — Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026). Grant also needs an MCS-certified installer and a qualifying system design. Funding guide
PEL certificate no.MCS HP0265/03
MCS certification✓ MCS listed
MCS certificate no.MCS HP0265/03
MCS listingView on MCS ↗
Real-world performance dataView on HeatpumpMonitor.org ↗

Free data sheet (PDF) →

Check noise at a neighbour’s window (MCS 020 a) →

View manufacturer page →

Grant Aerona 290 is a 9.38 kW air source heat pump, using R290 refrigerant.

Where to buy (UK)

UK SupplierSecon Renewables
UK SupplierBHL
UK SupplierPirate Heating Supplies
UK SupplierThe Underfloor Heating Store
UK SupplierPlumbing Superstore

✎ Suggest a correction to this data

Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.

Reviews & further reading

►Meet the new Grant Aerona R290 air source heat pumpGrant Engineering►Grant Aerona Smart Controller - Setting up the controllerGrant Engineering (UK) L►Grant Aerona- Adjusting the Heat Curve #grant #heatpump #heatcurve #aeronai85: Heat Pumps & Contro►Grant Aerona Smart Controller / GI Dev User GuideGI Developments Ltd ►Grant Aerona - Fixed Flow temperature OR Weather Compensation? #grant #heatpump #aeronai85: Heat Pumps & Contro

Alternatives to consider

Three Air Source (ASHP) heat pumps from other manufacturers closest in capacity to this one.

Daikin logo
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Capacity
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SCOP
4.72 (W35)
Sound power
62 dB(A)
Refrigerant
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Price
~£4,499
Vaillant logo
flexoTHERM exclusive
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SCOP
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Sound power
45.8 dB(A)
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Aira logo
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Aira · HPO-AW-8-230V-1.0
Capacity
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SCOP
4.7 (W35)
Sound power
56 dB(A)
Refrigerant
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