versusindex
MT
Heat pumps · MT

ViessmannVITOCAL 222-G BWT 221.B10

The Viessmann VITOCAL 222-G BWT 221.B10 is a heat pump with SCOP (35 °C) 5.21 and refrigerant R410A.1,2

Last updated: Technical specifications ⇄ Compare this model
Search this model
SCOP (35 °C)
5.211

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

Refrigerant
R410A1
Official source
Type (source)
Ground source1
Official source
Rated output 35 °C
10.27kW1
Official source
Rated output 55 °C
9.31kW1
Official source

Technical specifications

General
Type (source) Ground source1
Compressors 11
Capacity control keine1
Performance
Rated output 35 °C 10.27 kW1
Rated output 55 °C 9.31 kW1
Efficiency
SCOP (35 °C) 5.211
SCOP (55 °C) 3.951
Seasonal efficiency ηs 35 °C 200 %1
Seasonal efficiency ηs 55 °C 150 %1
Energy label 35 °C A, , , 2
Energy label 55 °C A, , , 2
Noise
Indoor unit sound power 46 dB(A)1
Refrigerant
Refrigerant R410A1
Refrigerant GWP 2,0882
Refrigerant charge 2.4 kg1
Electrical
Max. power input 1.76 kW1
Connectivity & smart
SG Ready Yes1

Frequently asked questions

What is the SCOP (35 °C) of the Viessmann VITOCAL 222-G BWT 221.B10?

The SCOP (35 °C) of the Viessmann VITOCAL 222-G BWT 221.B10 is 5.21.1,2

Which refrigerant does the Viessmann VITOCAL 222-G BWT 221.B10 use?

The refrigerant of the Viessmann VITOCAL 222-G BWT 221.B10 is R410A.1,2

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 29 Sept 2026
  2. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026