ES Heat Pumps ES M40 R290

Specifications and technical data

Also known as: HP 40kW R290

✓ BUS eligibleAir Source (ASHP)CommercialR29012.7–38.6 kW

Manufacturer	ES Heat Pumps
Model	ES M40 R290
Model code	120722
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Commercial All Commercial heat pumps →
Refrigerant	R290 All R290 heat pumps →
Mode	Heating & cooling
Heating capacity	12.7–38.6 kW
Max heating output (low temp)	38.2 kW at A7/W45
COP (heating)	3.15 at A7/W35
SCOP (heating)	4.6 at W35
Operating range (air)	-25 to 43 °C
Heating flow temperature	20–70 °C
Power input	12.3 kW
Electrical supply	380-415V (Three Phase)
Cooling capacity	34.2 kW
Max cooling output (high temp)	25.1 kW at A35/W7
Cooling flow temperature	7–18 °C
EER (cooling)	2.67 at A35/W7
Dimensions (H×W×D)	1620 × 1170 × 970 mm
Operational Weight	348 kg
Sound power level	62 dB(A) (Sound Power LW(A))
Data added	2026-08-30
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.	011-1W1099_03
MCS certification	✓ MCS listed
MCS certificate no.	MR 50703494 0001/001

Free data sheet (PDF) →

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

ES Heat Pumps ES M40 R290 light commercial air-to-water heat pump. 12.7-38.6 kW at A7/W35 with an SCOP of 4.6 at 35 C, ErP class A+++. R290, three-phase, Copeland scroll compressor. Water to 70 C, operates to -25 C ambient.

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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.