Mitsubishi Electric Ecodan CAHV (CAHV-R450YA-HPB)

Specifications and technical data

✓ BUS eligibleAir Source (ASHP)CommercialR454C40 kW

Manufacturer	Mitsubishi Electric
Model	Ecodan CAHV
Model code	CAHV-R450YA-HPB
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Commercial All Commercial heat pumps →
Refrigerant	R454C All R454C heat pumps →
Mode	Heating only
Heating capacity	40 kW
Max heating output (low temp)	33.4 kW at A-5/W55
COP (heating)	2.85 at A7/W45
SCOP (heating)	3.57 at W45
Operating range (air)	-25 to 43 °C
Heating flow temperature	24–70 °C
Power input	14.03 kW
Electrical supply	380-415V (Three Phase)
Dimensions (H×W×D)	1710 × 1750 × 740 mm
Operational Weight	359 kg
Sound power level	72 dB(A) (Sound Power LW(A))
Price (unit only)	~£21,278 (checked 2026-07-18 00:00:00)
Data added	21/06/2026
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.	037-0113-23
MCS certification	✓ MCS listed
MCS certificate no.	037-0113-23
MCS listing	View on MCS ↗

Free data sheet (PDF) →

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

View manufacturer page →

Mitsubishi Electric Ecodan CAHV is a 40 kW air source heat pump, using R454C refrigerant.

Where to buy (UK)

UK Supplier	The Heat Pump Warehouse
UK Supplier	Secon Renewables
UK Supplier	City Plumbing
UK Supplier	BHL
UK Supplier	Quality Heating

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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.