Heat PumpDatabase
Octopus Energy logo

Octopus Energy Cosy 9

Specifications and technical data

Air Source (ASHP)ResidentialR2909 kW
ManufacturerOctopus Energy
ModelCosy 9
Model codeNone
Heat pump typeAir Source (ASHP)
ApplicationResidential
RefrigerantR290
ModeHeating only
Heating capacity9 kW
Max heating output (low temp)7.9 kW at A7/W65
COP (heating)4.5 at A7/W35
SCOP (heating)4.36 at W50
Operating range (air)from -20 °C
Heating flow temperatureup to 75 °C
Electrical supply220-240V (Single Phase)
Dimensions (H×W×D)1125 × 855 × 595 mm
Operational Weight125 kg
Sound power level58 dB(A) (Sound Power LW(A))
Data added21/06/2026
Data sourceManufacturer Data Sheet
MCS certification✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)
MCS listingView on MCS ↗
Real-world performance dataView on HeatpumpMonitor.org ↗

View manufacturer page →

Octopus Energy Cosy 9 is a 9 kW air source heat pump, using R290 refrigerant.

Where to buy (UK)

AvailabilityDirect sales from manufacturer: Octopus Energy

✓ Manually verified by Heat Pump Database

✎ Suggest a correction to this data

Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.

More from Octopus Energy

Other Air Source (ASHP) heat pumps

Compare with other products

Open the interactive database →

The Octopus Energy name and logo are trademarks of their respective owner and are used here for identification purposes only.