Vitocal 100-S

Viessmann Heat Pumps
Vitocal 100-S
Split Air Source Heat Pump

Vitocal 100-S

Economical and attractively priced split air-to-water heat pump.

  • Rated heating capacity: 4.0 to 16.0 kW
  • Refresh function
  • Good value for money

Vitocal 100-S

The Vitocal 100‑S is a reliable and cost‑effective split air‑to‑water heat pump designed for residential heating and cooling applications. It combines Viessmann build quality, high efficiency, and flexible installation options, making it an attractive solution for homeowners seeking renewable heating at an accessible price point.

With its reversible design, the Vitocal 100‑S provides heating and cooling from a single system. It is also PV‑ready, enabling optimised use of self‑generated electricity and reduced operating costs.

Vitocal 100-S

Flexible Outdoor Unit Installation

Outdoor unit can be installed with floor mounting or wall mounting, allowing adaptation to different site conditions.

Rated Heating Output

Heating output from 4.0 to 16.0 kW, suitable for a wide range of residential applications.

Attractive Price / Performance Ratio

A reliable heat pump at a low price, offering proven Viessmann quality, durability, and efficiency.

Optimised Self‑Consumption of PV Power

Prepared for photovoltaic integration, enabling efficient use of electricity generated by your own PV system.

Heating and Cooling in One System

The reversible concept (AC version) enables both heating in winter and cooling in summer using a single device.

High Energy Efficiency

Energy efficiency class A++ / A+, according to Commission Delegated Regulation (EU) No. 811/2013, for: Low‑temperature applications (35 °C) Medium‑temperature applications (55 °C) Under average climatic conditions.

Easy‑to‑Use Vitotronic Control Unit

Equipped with a Vitotronic control system featuring clear text and graphic display for intuitive operation and easy system monitoring.

Centralized System Control

Enables convenient control of:

Space heating
Cooling
Domestic hot water (with external cylinder)

Web‑Enabled via Vitoconnect (Optional)

With Vitoconnect, the system can be connected to the internet for:

Remote operation
Monitoring
Service support
via the ViCare app.

Smart Energy Integration

Designed for intelligent interaction with photovoltaic systems, improving self‑consumption and reducing electricity costs.

Document Name Description Document Type Language Action
Technical Guide Vitocal 100-S PDF English Download
What is the Vitocal 100‑S used for?

The Vitocal 100‑S is a split air‑to‑water heat pump designed for space heating, cooling, and domestic hot water (with an external cylinder) in residential buildings.

Can the Vitocal 100‑S provide cooling?

Yes. The reversible system (AC version) allows both heating and cooling using the same heat pump.

Is the Vitocal 100‑S suitable for photovoltaic systems?

Yes. The system is PV‑ready, enabling optimized self‑consumption of electricity generated by a photovoltaic system.

What type of buildings is the Vitocal 100‑S suitable for?

Ideal for:

Single‑family homes
Small residential buildings
New builds and modernization projects
Homeowners looking for a cost‑effective renewable heating solution.

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Vitocal 100-S
Heat Pumps

Vitocal 100-S

Nominal heating power: 4.0 – 16.0 kW

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