Aira 12kW (400V)

Specifications and technical data

✓ BUS eligibleAir Source (ASHP)ResidentialR29312.8 kW

Manufacturer	Aira
Model	12kW (400V)
Model code	HPO-AW-12-400V-1.0
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R293
Mode	Heating only
Heating capacity	12.8 kW
Max heating output (low temp)	10.3 kW at A-7/W35
COP (heating)	4.94 at A7/W35
SCOP (heating)	4.7 at W35
Operating range (air)	-25 to 45 °C
Heating flow temperature	up to 70 °C
Electrical supply	380-415V (Three Phase)
Dimensions (H×W×D)	1503 × 1152 × 416 mm
Operational Weight	172 kg
Sound power level	57 dB(A) (Sound Power LW(A))
Data added	2026-06-28
Data source	Manufacturer Data Sheet
Verification	Verified 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 HP0372/08
MCS certification	✓ MCS listed
MCS certificate no.	HPO-AW-12-400V-1.0 (outdoor) / HPI-AO-250-1.0 (indoor)
MCS listing	View on MCS ↗

Free data sheet (PDF) →

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

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Aira 12kW (400V) is a 12.8 kW air source heat pump, using R293 refrigerant.

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