Heliotherm Whisper RS (Compact Air R290) (7 kW)

Specifications and technical data

✓ BUS eligibleAir Source (ASHP)ResidentialR2907 kW

Manufacturer	Heliotherm
Model	Whisper RS (Compact Air R290)
Model code	SNT07L-M-R-CC
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	7 kW
Max heating output (low temp)	6.9 kW at A-10/W35
Heating flow temperature	up to 72 °C
Electrical supply	380-415V (Three Phase)
Dimensions (H×W×D)	1704 × 896 × 585 mm
Operational Weight	80 kg
Sound power level	44 dB(A) (Sound Power LW(A))
Data added	2026-10-20
Data source	Heliotherm Highlights / Whisper brochure
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 0136/29
MCS certification	✓ MCS listed
MCS certificate no.	BBA 0136/29

Free data sheet (PDF) →

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

Heliotherm Whisper RS SNT07L-M-R-CC R290 air-to-water heat pump, 7 kW nominal, flow up to 72 °C, integrated active cooling.

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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.