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Heliotherm Whisper RS (Compact Air R290)

Model code: SNT07L-M-R-CC
✓ BUS eligible✓ MCS listedAir Source (ASHP)ResidentialHeating & cooling
Heating capacity
7 kW
Max flow temp
72°C
Sound power
44 dB(A)
Refrigerant
R290

Boiler Upgrade Scheme

✓ BUS eligible

Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026).

PEL certificate: BBA 0136/29

Grant also needs an MCS-certified installer and a qualifying system design.

MCS certification

✓ MCS listed

Certificate: BBA 0136/29

General
Heat pump typeAir Source (ASHP)
ApplicationResidential
RefrigerantR290
ModeHeating & cooling
Heating performance
Heating capacity7 kW
Max heating output (low temp)6.9 kW at A-10/W35
Heating flow temperatureup to 72 °C
Electrical, acoustic and physical
Electrical supply380-415V (Three Phase)
Sound power level44 dB(A) (Sound Power LW(A))
Dimensions (H×W×D)1704 × 896 × 585 mm
Operational Weight80 kg