Vitocal 300-G hero

Using heat from the ground 

A renewable form of energy, ground source heat pumps use the ground as their primary energy source. They do this by utilising geothermal collectors or geothermal probes that are buried in your garden or the grounds around your home.

The heat which is collected then can be used to heat radiators, heating systems and hot water in your home.

As the ground remains a fairly constant temperature under the surface regardless of the time of year, a ground source heat pump is suitable for use all year round.

Water heat pumps can also be used where water is available as a heat source.

Viessmann Vitodens, Gas Boiler range

Which heating system is the best for you?

Vitocal ground source heat pumps product line-up

Vitocal 200-g
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Vitocal 200-G

Cutting-edge technology for extremely efficient heating

An attractively priced ground source heat pump for an uncomplicated heat supply and high level of DHW convenience in new builds. Efficient, quiet and easy to install, ideal for detached and semi-detached homes. 

  • Ground source
    Heat pump
  • Up to
    17.2 kW
  • Ideal for
    New Builds
  • Detached and
    Semi-detached
Discover the Vitocal 200-G
Vitocal 222-G
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Vitocal 222-G

A compact ground source heat pump with integral DHW cylinder

A compact ground source heat pump with a heating output of 5.9 to 10 kW and a cylinder capacity of 170 litres. Designed for use in detached houses, the Vitocal 222-G includes all of the components required for central and ...

  • Ground source
    Heat pump
  • Ideal for
    Detached
  • Up to
    10 kW
  • Energy efficiency
    A++
Discover the Vitocal 222-G
Vitocal 242-G
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Vitocal 242-G

A compact groundwater heat pump appliance with solar function 

The Vitocal 242-G is a compact brine/water heat pump unit with the option of connecting a solar system. With a heating output of 5.9 to 10 kW and a cylinder capacity of 220 litres, it is ideal for use in detached houses. 

  • Ground source
    Heat pump
  • Ideal for
    Detached
  • Up to
    10 kW
  • Energy efficiency
    A / A++
Discover the Vitocal 242-G
Vitocal 300-g
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Vitocal 300-G

Thermal energy from the ground and groundwater

A maximum efficiency ground source heat pump for new build and modernisation projects in detached houses and apartment buildings, prepared for Smart Grid and utilisation of photovoltaic power generated on site.

  • Ground source
    Heat pump
  • Ideal for
    Detached
  • Suitable for larger
    Residential
  • Up to
    45.2 kW
Discover the Vitocal 300-G
Vitocal 300-g
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Vitocal 350-G

The first choice for ultimate DHW convenience

A high temperature heat pump that extends the product segment by four output sizes, the Vitocal 350-G offers convenient DHW heating and also delivers sufficiently high temperatures for modernisation projects with radiator ...

  • Designed for
    Residential
  • Ground source
    Heat pump
  • Up to
    104.6 kW
  • Energy efficiency
    A++
Discover the Vitocal 350-G

Unsure how to choose? Get a no-hassle, free consultation from our experts!

how ground source heat pumps work

Brine / water heat pump

Heat from the ground

[1] Vitocal brine / water heat pump

[2] DHW

[3] Heating water buffer cylinder

Eligible for the Domestic RHI scheme

As ground source heat pumps utilise a renewable fuel source, they are eligible for the UK government’s Domestic RHI scheme. Through the scheme, you could be eligible for quarterly cash payments for seven years after installing a ground source heat pump.

Domestic RHI

Control via internet with ViCare & Vitoconnect

The ViCare app offers new possibilities for controlling heating systems via the internet. The design of the ViCare graphic interface has been kept simple, enabling completely intuitive heating system operation.

Vitoconnect internet interface

Vitoconnect is the interface between the boiler and ViCare. It is not only compatible with new Viessmann heating systems, but is also available for many existing appliances. It is connected directly via a cable. A plug-in power supply unit is included in the standard delivery. A small accessory, measuring only 10 x 10 cm, is available for wall mounting

Design & Technology

The compression process is critical for the efficiency of a heat pump. Viessmann uses the most advanced components in its heat pumps. Their operation is characterised by quiet running, low vibrations and an extremely long service life without the need for maintenance. To generate heat, thermal energy is extracted from the  environment and used to evaporate a refrigerant that boils at a low temperature. The compressor compresses the gas this creates and raises it to a higher temperature level. A heat exchanger transfers the energy from the heated gas to the heating circuit. The refrigerant, which is still under pressure, condenses again and is expanded in an expansion valve. The cycle then begins again.

Compact, quiet and attractive

Our compact, floor standing heat pumps take up little space and are particularly quiet in operation – making them suitable even for installation near the living space.

All of our heat pumps feature easy to use control interfaces and are ready to connect direct from the factory.

Solar ready

All of our ground source heat pumps are designed ready for use with power generated on site, for example by photovoltaic systems.

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