Air source heat pump
The Vitocal 250-A is an air source heat pump in monoblock design
Rated heating output
2.6 to 13.4 kW
Highly suitable for modernisation
With 70 °C flow temperature (at an outside temperature down to -10 °C)
Climate Protect +++:
Environmentally responsible, natural refrigerant R290 (propane) with a particularly low GWP100 (global warming potential) of 0.02
OptiPerform
Reliable operation with high efficiency
Super silent
Whisper-quiet operation allows free placement on the property
Cooling function
Heating and cooling in one
Low running costs due to high efficiency
COP (coefficient of performance) to EN 14511: up to 5.3 (at A7/W35)
60 % less space required
Compared to comparable models
Integrated energy management system
Ensures transparency in energy consumption and costs
ViCare app
For easy operation
Highly suitable for modernisation: Vitocal 250-A
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. With a flow temperature of up to 70 °C, the Vitocal 250-A was specially developed for modernisation projects. Existing radiators can continue to be used. Underfloor heating is not essential. High energy efficiency, convenient control via app, sustainable operation and attractive design are all convincing features.
Viessmann's integrated range of solutions for the Vitocal 250-A
Value added services, digital services, connectivity & platforms
FörderProfi
The Viessmann FörderProfi service streamlines and simplifies the entire subsidies process, from application to payment.
More about FörderProfiViCare app
The ViCare app provides intuitive heating control. Green for go – the user can see at a glance in the app whether their heating system is working as it should.
More about the ViCare appViGuide app
ViGuide is an app for trade partners. It has numerous functions for monitoring and controlling systems in both detached houses and apartment buildings and provides rapid access to Technical Service.
More about the ViGuide appViShare
Smart electricity tariffs for your home. Flexible, green and 100% renewable. The electricity tariffs are set by Energy Market Solutions GmbH (EMS) – the contractual partner in the ViShare Energy Community and a Viessmann Group subsidiary.
More about ViShareBenefits of the Vitocal 250-A
Climate Protect+++ protects the environment and the climate
The new heat pumps in the Vitocal 25x series use the "green" refrigerant R290 (propane), which is considered particularly environmentally responsible with its very low GWP100 (global warming potential) of 0.02.
One system for everything: Viessmann One Base
Viessmann One Base integrates any smart home solutions already in use, seamlessly and wirelessly. It can be easily expanded, for example with a Wallbox for charging an electric car. As members of the ViShare Energy Community, users can easily track their sustainable use of electricity and heat via Viessmann One Base. The operator and contractual partner in the ViShare Energy Community is Energy Market Solutions GmbH.
Viessmann One Base is compatible with all additional digital services. The integrated services and devices can be easily controlled with voice assistants such as Amazon Alexa and Google Assistant. The new platform is the basis for an expandable and futureproof energy system in every home.
Always in the best of hands
All that is needed to communicate with Viessmann One Base is the free ViCare app; the integrated Viessmann Energy Management System does the rest. Viessmann One Base is operated quickly and easily via the app. The contractor can also keep a remote eye on the system and correct possible irregularities immediately by electronic means. This eliminates unnecessary travel and appointments with the trade partner.
Viessmann One Base makes the home more comfortable, efficient and futureproof.
Comfort at the touch of a finger: simple and convenient control of the energy system from anywhere.
All Viessmann systems and smart home solutions on one platform
With Viessmann One Base, the entire energy system is operated via just one app –– simply, reliably and quickly. The new platform links all devices and electronic applications in the home into one single climate and energy solution. With beneficial consequences: lower energy consumption, a smaller carbon footprint and an overview of running costs that is always up to date. Viessmann One Base makes your own four walls fit for a climate friendly future!
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.
Keeping track with the ViCare app
With the energy cockpit in the ViCare app, users can keep track of all the energy flows in their home. The analysis tool shows current and past levels of self-sufficiency and self-consumption.
Viessmann One Base – many benefits at a glance
- Convenience: Control of the energy system via app. Can be linked if required with other devices and services such as Amazon Alexa, Google Assistant and more.
- Efficiency: The platform links up and optimises energy flows for especially efficient and therefore cost effective operation.
- Reassurance: The contractor is automatically notified of any irregularities and can take corrective action online before the situation gets out of hand.
- Sustainability: Long term integration of all required digital services, upgrades and product expansions, such as photovoltaics with a energy storage system and a Wallbox for e-mobility.
Product details
- Rated heating output (kW), operating point A7/W35 (to EN 14511)
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Type 251.A10: 7.3 kW | type 251.A13: 8.1 kW
- Coefficient of performance ε (COP) A7/W35
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Type 251.A10: 5.3 | type 251.A13: 5.2
- Energy efficiency ƞs*
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Energy efficiency ƞs at W35 in %: Type 251.A10: 197 | type 251.A13: 181
*Heating performance data in line with Commission Regulation (EU) No 813/2013 under average climatic conditions for low temperature application (W35) and medium temperature application (W55)
- Energy efficiency class, DHW heating
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- Application area
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Detached houses, modernisation projects
- Operation
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Heat pump control unit with 7 inch colour touchscreen, operation via ViCare app possible
- DHW heating
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Additional DHW cylinder required, resulting in a high level of DHW convenience.
- Additional features
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For room heating/cooling and DHW heating | Maximum flow temperature: 70 °C (at an outside temperature of down to ––10 °C) | Monoblock indoor unit with heat pump control unit, high efficiency circulation pump for the secondary circuit, 4/3-way valve, safety assembly | Integral instantaneous heating water heater | Integral heating water buffer cylinder and overflow valve
- Product cross-section of indoor unit with one integral heating/cooling circuit
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- Product cross-section of indoor unit with two integral heating/cooling circuits
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- Product cross-section, outdoor unit
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