Australia
New Zealand
Greece
Compact air source heat pump in monobloc design
The Vitocal 151‑A is a compact, high‑efficiency air‑to‑water heat pump from Viessmann, designed for both new‑build and refurbishment (retrofit) projects. It belongs to Viessmann’s latest generation of monobloc heat pumps and is especially suited for homes upgrading from conventional heating systems.
Features an integrated Vitotronic control system for intuitive, centralised control of:
Space heating
Cooling
Domestic hot water (DHW)
Energy management functions
The ViCare app enables simple and intuitive operation via smartphone or tablet, offering clear system status and energy information.
Designed for digital connectivity, enabling remote monitoring, control, and service access within the Viessmann digital ecosystem.
The built‑in energy management system supports efficient coordination of energy flows, helping to optimise electricity use and reduce costs.
| Document Name | Description | Document Type | Language | Action |
|---|---|---|---|---|
| Brochure | Vitocal 151-A | English | Download |
Yes. Thanks to flow temperatures up to 70 °C, it is highly suitable for modernisation and boiler replacement, even with existing radiators.
Yes. It includes an integrated 190‑litre DHW cylinder, providing high hot water comfort without additional space requirements.
It uses natural refrigerant R290 (propane) with a very low global warming potential, making it an environmentally responsible choice.
Service Link ensures faster service response times when support is required, improving reliability and reducing downtime.
Air source heat pump for indoor and outdoor installation. Nominal heating power: 12.7 – 20.6 kW
Two-stage air source heat pump for outdoor installation. Nominal heating power: 13.2 – 55.8 kW
Get directed to our Business Development team to start the authorization process and discuss sales support.
Get specialized help with system sizing, load
calculation analysis, and technical data required for project design.
Request support for warranty claims,
scheduled maintenance, and genuine spare
parts ordering.
For more information : ahi@ahi-carrier.com