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 151-A is perfectly suited for retrofit installations. Subject to a system design meeting industry regulations and best practice, together with a weather compensated heating system, it may be possible to retain existing radiators. High energy efficiency, convenient control via app, sustainable operation and attractive design are all convincing features.
Rated heating output 2.1 to 14.9 kW
Climate Protect +++: Protects the environment and the climate
Cooling function
Integral DHW cylinder with 190 litre capacity
OptiPerform - Reliable operation with high efficiency
Low running costs due to high efficiency COP (coefficient of performance) to EN 14511: up to 5.0 (at A7/W35)
Easy operation via ViCare app
Highly suitable for modernisation With 70 °C flow temperature (at an outside temperature down to -10 °C)
Service Link Guaranteed faster response time if a service is required
60 % less space required Compared to comparable models
Technical specification
Waist Sizeac38ch19fwERP RatingNot ApplicableSupplier Part Number7975111