Alpha Innotec LW series (10.1–21.2 kW)

Specifications and technical data

✓ BUS eligibleAir Source (ASHP)ResidentialR407C10.1–21.2 kW

Manufacturer	Alpha Innotec
Model	LW series
Model code	LW 180 (L)
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R407C All R407C heat pumps →
Mode	Heating only
Heating capacity	10.1–21.2 kW
Max heating output (low temp)	14.1 kW at A-7/W35
COP (heating)	3.9 at A7/W35
Operating range (air)	-20 to 35 °C
Heating flow temperature	20–50 °C
Electrical supply	380-415V (Three Phase)
Dimensions (H×W×D)	1780 × 1115 × 911 mm
Operational Weight	420 kg
Sound power level	57 dB(A) (Sound Power LW(A))
Data added	2026-09-21
Data source	Manufacturer documentation (Alpha Innotec)
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.	041-K001-39 b

Free data sheet (PDF) →

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

Alpha Innotec LW 180 (L) air-to-water heat pump for indoor installation with ducted air intake and discharge, R407C, two-compressor. Rated 19.6 kW at A7/W35 with a COP of 3.9 to EN 14511, or 10.1 kW at COP 4.2 on one compressor. Heating flow up to 50 °C, air from -20 to 35 °C. Three-phase supply.

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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.