Heat pumps · MT

Wolf BWS-1-16

The Wolf BWS-1-16 is a heat pump with SCOP (35 °C) 4.85 and refrigerant R407C.^1,2

Last updated: 25 October 2026Technical specifications Rules in Malta ⇄ Compare this model

SCOP (35 °C): 4.85²
Seasonal efficiency: how much heat you get per kWh of electricity across a heating season.
Refrigerant: R407C¹
Official source
Type (source): Ground source¹
Official source
Rated output 35 °C: 18kW²
Official source
Rated output 55 °C: 17kW²
Official source

Rules in Malta

Water Heater Scheme (heat pump water heaters)

Unknown

REWS runs a national grant scheme for energy-efficient water heaters in homes; heat pump water heaters are eligible (alongside solar water heaters). The scheme has been extended to 31 December 2026, and part A of the application must be submitted before you buy and install the equipment. Grant amounts: see the REWS page (not verified by us).

Technical specifications

General
Type (source)	Ground source¹
Performance
Rated output 35 °C	18 kW²
Rated output 55 °C	17 kW²
Efficiency
SCOP (35 °C)	4.85²
SCOP (55 °C)	3.43²
Seasonal efficiency ηs 35 °C	191 %²
Seasonal efficiency ηs 55 °C	134 %²
Energy label 35 °C	A++²
Energy label 55 °C	A++²
Noise
Indoor unit sound power	43 dB(A)²
Refrigerant
Refrigerant	R407C¹
Refrigerant GWP	1,774¹
Grants & market
ISDE grant (NL)	5,625 €¹

How it ranks

SCOP (35 °C): better than 22% of comparable models in our database (Heat pumps · Ground source · ≥ 14 kW; n = 123).

Rank 96 of 124

Compared with every model on VersusIndex in the same group with a known value; equal values do not count as better. This says nothing about price, installation or reliability.

Similar models

Other brands, same type and a comparable size.

Frequently asked questions

What is the SCOP (35 °C) of the Wolf BWS-1-16?

The SCOP (35 °C) of the Wolf BWS-1-16 is 4.85.^1,2

Which refrigerant does the Wolf BWS-1-16 use?

The refrigerant of the Wolf BWS-1-16 is R407C.^1,2

Sources

ISDE heat pump notification code list — Rijksdienst voor Ondernemend Nederland (RVO) · accessed 25 Oct 2026
European Product Registry for Energy Labelling (EPREL) – heat pumps — Europese Commissie · accessed 15 Oct 2026
Water Heater Scheme (heat pump water heaters) — Regulator for Energy and Water Services (REWS)

Key figures