Ochsner AIR 29 C12A

Specifications and technical data

Also known as: OCHSNER AIR 29 C12A

✓ BUS eligibleAir Source (ASHP)CommercialR407C22–28 kW

Manufacturer	Ochsner
Model	AIR 29 C12A
Model code	287050V
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Commercial All Commercial heat pumps →
Refrigerant	R407C All R407C heat pumps →
Mode	Heating and Cooling
Heating capacity	22–28 kW
Max heating output (low temp)	18.9 kW at A-7/W35
COP (heating)	4.2 at A7/W35
SCOP (heating)	3.78 at W35
Operating range (air)	-22 to 35 °C
Heating flow temperature	up to 65 °C
Electrical supply	380-415V (Three Phase)
Cooling capacity	18.1 kW
Max cooling output (high temp)	18.1 kW at A35/W7
EER (cooling)	2.1 at A35/W7
Dimensions (H×W×D)	1104 × 2224 × 965 mm
Operational Weight	175 kg
Sound power level	62 dB(A) (Sound Power LW(A))
Data added	2026-07-28
Data source	Manufacturer datasheet
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.	BBA 0037/32
MCS certification	✓ MCS listed
MCS certificate no.	BBA 0037/32
MCS listing	View on MCS ↗

Free data sheet (PDF) →

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

View manufacturer page →

26.5 kW air/water heat pump, split version with horizontal split evaporator (2 fans). M2/M4 indoor unit, heating and cooling, OTE controller. 3-phase (3~/400V). R407C, scroll compressor, hot gas defrost. No built-in electric heater. Max flow temp 65°C.

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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.