Vitocal 250-SH

Hybrid heat pump

The Vitocal 250-SH is a hybrid heat pump for retrofitting existing gas/oil heating systems with free environmental energy.

Rated heating output: 2.6 to 10.4 kW
Suitable for energy efficient new build
Energy management system
Intuitive operation via app

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Rated heating output

2.6 to 10.4 kW

Suitable for energy efficient new build

With 60 °C flow temperature, ideally suited to energy efficient new build

Protects the environment and climate

Climate Protect++ and use of environmentally responsible refrigerants.

Efficient and economical in operation

Reliable operation with high efficiency (OptiPerform)

Particularly quiet

Whisper-quiet operation for placement anywhere on the property (super silent)

COP to EN 14511

Low running costs thanks to high efficiency, COP (coefficient of performance): up to 5.1 (at A7/W35)

Ideal in combination

Combination with a photovoltaic system and power storage unit is possible

Space saving installation

60 % less space required than comparable models

Energy Management system

Ensures transparency in energy consumption and costs

High product quality

Attractive, high quality design indoors and outdoors

Cools in summer

Active cooling function for use in the summer

Easy operation

ViCare App: Keep an eye on the household's energy flows with the Energy Cockpit.

Ideally suited for energy efficient new build:  Vitocal 250-SH

The new generation of heat pumps

Reliable, compact and more environmentally responsible than ever – the new, innovative heat pump technology from  Viessmann makes particularly efficient use of environmental energy for heating and cooling. High energy efficiency, convenient control via app, sustainable operation and attractive design are all convincing features.

Works well in combination with existing heating systems

The  Vitocal 250-SH version is particularly suitable for supplementing an existing heating system. The heat pump provides the base load in that case. The boiler is only switched on at especially low temperatures.

Benefits of the Vitocal 250-SH

Climate Protect++ protects the environment and the climate

The new heat pumps in the Vitocal 250-SH series use the environmentally responsible refrigerant R32 with a low GWP100 (global warming potential) of 771.

Eco Select –– switch between the most cost effective or the most sustainable operating mode

Hybrid units from Viessmann use Hybrid Pro Control®. This integrated energy manager controls the heating system according to external conditions such as the outside temperature or flow temperature, and to suit individual user settings.  These can be energy prices,  the amount of self-generated power,  CO2 emissions or the heat demand. Users can select, for  example, whether the appliance automatically uses the currently cheapest energy  source in economy mode. Or whether it runs in ecological mode with the lowest CO2  emissions per kilowatt hour of heating energy generated.

OptiPerform –– reliable operation with maximum efficiency

The advanced heat pumps from Viessmann work with a patented hydraulic system. With Hydro  AutoControl®, the heat pump is operated reliably and with maximum efficiency throughout its entire service life. The unique design not only ensures that your contractor can set up the heat pump with OptiPerform much faster and, therefore, more cost effectively. It also takes up much less space because it is up to 60  percent smaller than comparable systems.

Super silent –– whisper-quiet in full and partial load operation

Viessmann heat pumps are among the quietest of  their kind thanks to  advanced acoustic design+, and  include a sound-optimised fan. Combined with intelligent speed  control, it  significantly reduces airborne noise in  both full and partial load operation. As a result, the outdoor unit can be installed even in densely built-up areas such as terraced housing or close to the property boundary.

VITOCAL cooling function

Product details

Rated heating output (kW), operating point A7/W35 (to EN 14511)

Type 252.B06: 5.7  kW | type 252.B08: 7.0  kW | type 252.B10: 7.0  kW

Coefficient of performance ε (COP) A7/W35

Type 252.B06: 5.1 | Type 252.B08: 5.0 | Type 252.B10: 4.9

Energy efficiency ƞs

A+++ / A++ in accordance with Commission Regulation (EU) No  813/2013 for heating, average climatic conditions –– low temperature application (W35)/medium temperature application (W55)

Energy efficiency class, DHW heating


Application area

Detached/two-family house, new build


Heat pump control unit with 7  inch colour touchscreen, operation via ViCare app possible

DHW heating

Additional DHW cylinder required, resulting in a high level of DHW convenience.

Additional features

With a flow temperature of 60 °C, ideally suited for energy efficient new builds | Integrated Energy Management system ensures transparent energy consumption and costs | Ideal for combination with a photovoltaic system and power storage unit | Active cooling in summer with cooling function

Product cross-section, outdoor unit
Product cross-section, indoor unit


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