Beretta (Riello) HYDRO UNIT P (3.95 kW)

Specifications and technical data

✓ BUS eligibleAir Source (ASHP)ResidentialR2903.95 kW

Manufacturer	Beretta (Riello)
Model	HYDRO UNIT P
Model code	HYDRO UNIT P 004
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R290 All R290 heat pumps →
Mode	Heating & cooling
Heating capacity	3.95 kW
Max heating output (low temp)	3.85 kW at A7/W45
COP (heating)	4.9 at A7/W35
SCOP (heating)	4.7 at W35
Operating range (air)	-20 to 40 °C
Heating flow temperature	up to 75 °C
Electrical supply	220-240V (Single Phase)
Cooling capacity	3.35 kW
Max cooling output (high temp)	3.35 kW at A35/W7
EER (cooling)	3.15 at A35/W7
SEER (cooling)	4.93 at W7
Dimensions (H×W×D)	927 × 946 × 372 mm
Operational Weight	78 kg
Sound power level	49 dB(A) (Sound Power LW(A))
Data added	2026-10-20
Data source	Beretta (Riello) HYDRO UNIT P 004-014 product brochure 27023400 rev.03 06/2026
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.	011-1W0626
MCS certification	✓ MCS listed
MCS certificate no.	011-1W0626

Free data sheet (PDF) →

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

Beretta HYDRO UNIT P 004 R290 monobloc air-to-water heat pump, 3.95 kW at A7/W35, flow up to 75 °C, heating from -20 °C, reversible cooling, single-phase.

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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.