Warmflow Zeno AS01 R290

Specifications and technical data

Air Source (ASHP)ResidentialR2903–9 kW

Manufacturer	Warmflow
Model	Zeno AS01 R290
Model code	AS01-R290
Heat pump type	Air Source (ASHP)
Application	Residential
Refrigerant	R290
Mode	Heating only
Heating capacity	3–9 kW
Max heating output (low temp)	7.8 kW at A7/W35
COP (heating)	4.79 at A7/W35
SCOP (heating)	4.9 at W35
Operating range (air)	-25 to 43 °C
Heating flow temperature	20–75 °C
Electrical supply	230V/1P/50Hz
Dimensions (H×W×D)	795 × 1167 × 407 mm
Operational Weight	102 kg
Sound power level	60 dB(A) (Sound Power LW(A))
Price (unit only)	£3022.78–£3400 (checked 17/07/2026)
Data added	17/07/2026
Data source	UK Retailer Pricing (Plumbnation £3,627.34 inc VAT; Inspired Heating £4,080.00 inc VAT), ex VAT shown
MCS certification	✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)
MCS certificate no.	BSI KM 612798/9
MCS listing	View on MCS ↗

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Monobloc R290 air source heat pump, touchscreen control, Warmlink app remote control/diagnostics, built-in Grundfos high-efficiency circulation pump, qualifies for BUS/government grants in England, Scotland & Wales

Where to buy (UK)

UK Supplier	Plumbnation
UK Supplier	Inspired Heating
UK Supplier	Wolseley
UK Supplier	City Plumbing

✓ Manually verified by Heat Pump Database

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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.