Vitocal 151-A

Viessmann Light Commercial
Vitocal 151-A
Air-Source Heat Pumps

Vitocal 151-A

Viessmann Vitocal 151‑A – Monoblock Air Source Heat Pump with Integrated DHW Cylinder
Compact, highly efficient air-to-water heat pump with an integrated 190‑litre domestic hot water cylinder, delivering 2.1 to 14.9 kW of heating output. Designed specifically for modernization projects, featuring 70°C flow temperatures, natural R290 refrigerant, smart connectivity, and year-round heating and cooling.

Features

Integrated 190‑Litre Hot Water Cylinder

Built-in domestic hot water storage tank High hot water convenience Compact all-in-one solution Reduced installation space requirements Ideal for family homes

Ideal for Modernization Projects

Flow temperatures up to 70°C Suitable for many existing radiator systems Minimizes the need for heating system replacement Simplifies boiler-to-heat-pump upgrades Excellent retrofit solution

Climate Protect+++

Uses natural refrigerant R290 (propane) Extremely low Global Warming Potential: GWP100 = 0.02 Lower environmental impact Supports long-term sustainability goals

High Efficiency Operation

COP up to 5.0 (A7/W35) Low electricity consumption Reduced running costs Efficient use of renewable environmental energy

Heating and Cooling in One System

Provides: Space heating Domestic hot water Active cooling Year-round indoor comfort Eliminates the need for separate cooling equipment

Service Link Technology

Automatic fault communication to Viessmann service network Faster diagnosis and response times Reduced downtime Fewer unnecessary site visits Lower maintenance costs

Control / Integrations

Viessmann One Base Platform

Central digital energy ecosystem
Connects heating, cooling, PV systems, storage batteries, and smart home devices
Future-proof and expandable platform
Single interface for household energy management

Connectivity Inside

Integrated WiFi interface as standard
Direct internet connectivity
No additional communication module required
Fast setup and commissioning

ViCare App

Smartphone and tablet control
Remote temperature adjustment
Heating and cooling management
Monitoring of operating status
Simple and intuitive user experience

Energy Cockpit

Visual overview of:
Energy flows
Energy consumption
Self-consumption
Energy self-sufficiency
Helps homeowners optimize system performance

ViGuide Platform

Remote access for installers
Early fault detection
Online troubleshooting
Improved service response

Smart Home Integration

Compatible with:

Amazon Alexa
Google Assistant
ViShare Energy Community
PV systems
Battery storage systems
EV charging solutions (Wallbox)

Technical Documents

Document Name Description Document Type Language Action
Brochure - Vitocal 151-A PDF German Download

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Air source heat pump for indoor and outdoor installation. Nominal heating power: 12.7 – 20.6 kW

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