Vitocal 222-G

Viessmann
Vitocal 222-G
Heat Pumps

Vitocal 222-G

Compact ground source heat pump with a cylinder capacity of 220 litres.

  • Rated heating output: 5.8 to 10.4 kW
  • Integral DHW cylinder
  • Compact dimensions
  • Barely audible

Vitocal 222-G

Compact, efficient and quiet heat pump: Vitocal 222-G

Compact, quiet heat pump that takes up little space –– also suitable for installation close to the living space.

Vitocal 222-G

Rated Heating Output

Heating output ranges from 5.8 to 10.4 kW, making the Vitocal 222‑G ideal for single‑family homes and low‑energy buildings.

High Domestic Hot Water (DHW) Convenience

Equipped with an integral 220‑litre DHW cylinder, ensuring a high level of hot water comfort while saving installation space.

Compact Design with Small Footprint

The compact dimensions and integrated components require minimal installation space, leaving more usable space within the building.

Extremely Quiet Operation

Barely audible even when installed near living areas, thanks to an innovative sound insulation concept, with a maximum sound power level of 46 dB(A) (B0/W55).

Integral Vitotronic Control Unit

The Vitocal 222‑G is equipped with an integral Vitotronic control system, providing centralised and intuitive control of heating, cooling, domestic hot water (DHW), and ventilation functions.

High Operating Convenience

The user‑friendly control concept ensures simple operation, clear system status display, and easy adjustment of operating parameters for both users and installers.

Web‑Enabled via Vitoconnect

With the Vitoconnect interface, the system can be connected to the internet, enabling remote operation and monitoring via the ViCare app on smartphones and tablets.

Service & Diagnostics Support

Digital connectivity enables efficient system monitoring, diagnostics, and servicing, supporting long‑term reliability and reduced maintenance effort.

Document Name Description Document Type Language Action
Technology brochure Heat pumps PDF English Download
What type of heat source does it use?

It uses geothermal energy via:

Ground collectors, or
Vertical boreholes
This ensures stable performance throughout the year, independent of outdoor air temperature.

Does the Vitocal 222‑G provide domestic hot water?

Yes. It includes an integral 220‑litre DHW cylinder, delivering a high level of hot water comfort without the need for a separate storage tank.

Can the Vitocal 222‑G also provide cooling?

Yes. The system supports cooling operation (depending on system design), allowing year‑round indoor comfort using the same heat pump.

How much space does the Vitocal 222‑G require?

The unit has compact dimensions and a small footprint, combining the heat pump and DHW cylinder in one appliance, which saves valuable space inside the building.

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