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BuderusWSW186i.2-17

The Buderus WSW186i.2-17 is a heat pump with SCOP (35 °C) 5.01 and refrigerant R290.1

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SCOP (35 °C)
5.011

Seasonal efficiency: how much heat you get per kWh of electricity across a heating season.

Refrigerant
R2901
Official source
Type (source)
Ground source1
Official source
Rated output 35 °C
17kW1
Official source
Rated output 55 °C
15kW1
Official source

Technical specifications

General
Type (source) Ground source1
Performance
Rated output 35 °C 17 kW1
Rated output 55 °C 15 kW1
Efficiency
SCOP (35 °C) 5.011
SCOP (55 °C) 3.991
Seasonal efficiency ηs 35 °C 192 %1
Seasonal efficiency ηs 55 °C 152 %1
Energy label 35 °C A, , , 1
Energy label 55 °C A, , , 1
Noise
Indoor unit sound power 41 dB(A)1
Refrigerant
Refrigerant R2901
Refrigerant GWP 31
Refrigerant charge 1 kg1

Variants

This model is registered in 2 combinations (for example with a different indoor unit or cylinder) with exactly the same performance. All figures on this page apply to each of these types. The part of the type number that differs is in bold; small differences (e.g. cylinder volume or anode) are listed after it:

  • WSW186i.2-17
  • WSW186i.2-17 T180

Manufacturer documentation

  • Brochure / leaflet — Logatherm WSW186i(T) / WSW196i(T) – Sole-Wasser-Wärmepumpen, Broschüre (mit technischen Daten) (buderus.de, PDF)

External links to Buderus's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.

Frequently asked questions

What is the SCOP (35 °C) of the Buderus WSW186i.2-17?

The SCOP (35 °C) of the Buderus WSW186i.2-17 is 5.01.1

Which refrigerant does the Buderus WSW186i.2-17 use?

The refrigerant of the Buderus WSW186i.2-17 is R290.1

Sources

  1. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026