Heat PumpDatabase

Octopus Energy Cosy 6

Specifications and technical data

Air Source (ASHP)ResidentialR2906 kW
ManufacturerOctopus Energy
ModelCosy 6
Model codeCosy 6
Heat pump typeAir Source (ASHP)
ApplicationResidential
RefrigerantR290
ModeHeating only
Heating capacity6 kW
COP4.5 at A7/W35
SCOP3.4 (conditions not stated)
Operating range (air)from -20 °C
Flow temperatureup to 75 °C
Dimensions (H×W×D)855 × 1125 mm
Sound power level53 dB(A) (LpA)
Data added2026-06-14
Data sourcemanufacturer

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Notes

Entry-level 6 kW R290 air source heat pump from Octopus Energy, UK-designed and supplied only through Octopus. Suits 1-4 bed homes with heat loss under 5.6 kW. Smart control via the Cosy Hub and Octopus app with up to four wireless room sensors, plus Hush Mode for quieter running. Flow temperatures up to 75°C for compatibility with existing radiators.

R290 propane, GWP 3. SCOP 3.4 at 50°C flow (A++); MCS minimum guaranteed SCOP 2.8; real-world owners report 3.2-4.1. Compact 855x1125mm. Optimised for the Cosy Octopus smart tariff. Only available installed by Octopus.

Where to buy (UK)

AvailabilityDirect sales from manufacturer: Octopus Energy

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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.

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