Heat pumps · INT

MULTIBETON Warmondo WM-S

The MULTIBETON Warmondo WM-S is an air-to-water heat pump with a SCOP of 5.08 (35 °C) and a sound power level of 47 dB(A).^1,2

Last updated: October 15, 2026Technical specifications ⇄ Compare this model

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SCOP (35 °C): 5.08²
Seasonal efficiency: how much heat you get per kWh of electricity across a heating season.
Outdoor unit sound power: 47dB(A)²
Official source
Refrigerant: R290¹
Official source
Type (source): Air-to-water¹
Official source
Rated output 35 °C: 5kW²
Official source

Technical specifications

General
Type (source)	Air-to-water¹
Compressors	1¹
Capacity control	Inverter¹
Performance
Rated output 35 °C	5 kW²
Rated output 55 °C	5 kW²
Efficiency
SCOP (35 °C)	5.08²
SCOP (55 °C)	3.65²
Seasonal efficiency ηs 35 °C	200 %²
Seasonal efficiency ηs 55 °C	143 %²
Energy label 35 °C	A+++²
Energy label 55 °C	A++²
COP A7/W35	5.06¹
COP A2/W35	4.35¹
COP A-7/W35	3.29¹
Noise
Outdoor unit sound power	47 dB(A)²
Refrigerant
Refrigerant	R290¹
Refrigerant charge	0.75 kg¹
Electrical
Max. power input	2.8 kW¹
Connectivity & smart
SG Ready	Yes¹

How it ranks

SCOP (35 °C): better than 82% of comparable models in our database (Heat pumps · Air-to-water · 4–6 kW; n = 122).

Rank 20 of 123

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.

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Frequently asked questions

Which refrigerant does the MULTIBETON Warmondo WM-S use?

The MULTIBETON Warmondo WM-S uses R290.^1,2

Sources

List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed Sep 27, 2026
European Product Registry for Energy Labelling (EPREL) – heat pumps — Europese Commissie · accessed Oct 15, 2026

Key figures