Heat pumps

Viessmann Vitocal 333-G – All-in-One Ground-Source Heat Pump with Integrated Boiler (12 kW, R410A, three-phase)

The Viessmann Vitocal 333-G (12 kW) is a high-capacity all-in-one ground-to-water heat pump designed for medium to large residential buildings. It features a built-in 220-liter stainless steel DHW tank, providing reliable space heating and domestic hot water in one compact unit. Powered by a three-phase inverter compressor and using R410A refrigerant, it ensures efficient, quiet, and sustainable operation.

Complete Indoor System with Integrated Boiler

Combining space-saving design with premium performance, the 333-G is ideal for homes that demand powerful heating with a minimal footprint.

Key Features and Benefits:

✔ 12 kW Heating Output – Ideal for medium and larger homes
✔ Built-In 220 L DHW Tank – Seamless hot water and heating from one system
✔ R410A Refrigerant – Proven efficiency and reliability
✔ Inverter Technology – Optimizes energy use based on demand
✔ Three-Phase Power Supply – Supports consistent, high-output operation
✔ Quiet Indoor Installation – No outdoor unit required
✔ Compact, All-in-One Design – Saves valuable space
✔ Smart Home Integration – Compatible with ViCare and One Base

Vitocal 333-G (12 kW) is the perfect solution for those looking for maximum heating performance and convenience in a compact, future-proof system.

Viessmann Vitocal 333-G – All-in-One Ground-Source Heat Pump with Integrated Boiler (6 kW, R410A, three-phase)

The Viessmann Vitocal 333-G (6 kW) is a compact, high-efficiency ground-to-water heat pump with a built-in domestic hot water tank, offering reliable and eco-friendly heating and hot water from a single unit. Designed for small to medium-sized homes, this all-in-one solution features quiet operation, low energy consumption, and advanced inverter technology for precise heat delivery.

Integrated Hot Water Tank and Indoor Unit

The system includes a 220-liter stainless steel DHW tank, providing a complete and space-saving heating and hot water solution – ideal for modern residential spaces.

Key Features and Benefits:

✔ 6 kW Output – Perfect for energy-efficient homes with moderate demand
✔ Built-In 220 L DHW Tank – Compact solution for hot water and heating
✔ R410A Refrigerant – Proven and durable with good thermal performance
✔ Inverter Compressor – Adjusts output based on real-time heating needs
✔ Silent Operation – Ultra-quiet ground-source system suitable for indoor installation
✔ Three-Phase Power – Supports stable and reliable operation
✔ Minimal Footprint – All-in-one unit saves space and simplifies installation
✔ Compatible with Smart Controls – Integrates with ViCare and One Base

Vitocal 333-G (6 kW) offers the ideal balance of comfort, compactness, and sustainability – all in one powerful unit.

Viessmann Vitocal 300-G – Premium Ground-Source Heat Pump (16 kW, three-phase, without boiler)

The Viessmann Vitocal 300-G (16 kW) is a premium ground-to-water heat pump built for high-efficiency heating in larger residential buildings. With its inverter-driven compressor, three-phase power supply, and R410A refrigerant, it offers exceptional thermal performance, silent operation, and precision control – making it ideal for homes with higher energy demands.

Without Integrated DHW Tank – Flexible for Custom Systems

Delivered without a built-in domestic hot water tank, this model offers easy integration with buffer tanks, solar thermal systems, or bespoke hot water configurations.

Key Features and Benefits:

✔ 16 kW Heating Capacity – Suited for large homes and multi-family residences
✔ Inverter Compressor – Adapts output precisely to demand for maximum efficiency
✔ Stable Ground-Source Performance – Reliable all-year heating
✔ R410A Refrigerant – Proven and energy-efficient
✔ Extremely Quiet – Ideal for indoor installation in noise-sensitive areas
✔ Three-Phase Power Supply – Consistent and robust operation
✔ Compact Indoor Unit – Saves space, requires no outdoor installation
✔ Smart Ready – Connects to ViCare and One Base smart home platforms

Vitocal 300-G (16 kW) is the perfect solution for modern buildings needing powerful, quiet, and future-proof geothermal heating.

Viessmann Vitocal 300-G – Premium Ground-Source Heat Pump (12 kW, three-phase, without boiler)

The Viessmann Vitocal 300-G (12 kW) is a premium ground-to-water heat pump designed to deliver exceptional energy efficiency, ultra-quiet operation, and precise temperature control. Featuring advanced inverter technology, a three-phase power connection, and R410A refrigerant, this system is ideal for medium to large residential buildings seeking long-term sustainability and low operating costs.

Without Built-In Boiler – Flexible System Design

This version comes without an integrated domestic hot water tank, allowing integration with custom DHW systems, buffer tanks, or solar thermal setups.

Key Features and Benefits:

✔ 12 kW Heating Capacity – Suitable for medium and large residential buildings
✔ Inverter-Driven Compressor – Accurate heat output adjustment and reduced power consumption
✔ Ground-Source Technology – Delivers stable performance all year round
✔ R410A Refrigerant – Proven, efficient, and eco-conscious
✔ Extremely Quiet – Operates below 35 dB(A), perfect for indoor installation
✔ Three-Phase Power Supply – Balanced operation and support for higher loads
✔ Compact Indoor Unit – Ideal for homes with limited outdoor space
✔ Smart Home Ready – Can be integrated into advanced energy management systems

Vitocal 300-G (12 kW) is the perfect choice for homeowners who demand maximum performance, efficiency, and whisper-quiet comfort.

Viessmann Vitocal 300-G – Premium Ground-Source Heat Pump (6 kW, three-phase, without boiler)

The Viessmann Vitocal 300-G (6 kW) is a high-performance, premium-class ground-to-water heat pump designed for homes that demand top energy efficiency and reliability. With advanced inverter technology, a three-phase power supply, and R410A refrigerant, this system provides precise heating and extremely quiet operation throughout the year.

Delivered Without Integrated DHW Tank

This model is supplied without a built-in domestic hot water tank, making it ideal for connection to custom-designed or existing hot water systems.

Key Features and Benefits:

✔ 6 kW Output – Perfect for small to medium-sized homes
✔ Inverter-Controlled Compressor – Highly precise temperature regulation and low energy consumption
✔ Ground-Source Technology – Stable and efficient regardless of outdoor conditions
✔ R410A Refrigerant – Reliable thermal performance with low environmental impact
✔ Extremely Quiet – Noise levels below 35 dB(A) – suitable for indoor installation
✔ Three-Phase Connection – Balanced power and smooth operation
✔ Compact Design – Saves space and integrates easily indoors
✔ Ideal for Passive or Low-Energy Homes – Designed for maximum efficiency

Vitocal 300-G (6 kW) is the ideal solution for homeowners who want superior performance, silent operation, and advanced energy management from a ground-source heat pump.

Viessmann Vitocal 222-S – All-in-One Air-to-Water Heat Pump with Integrated Boiler (16 kW, R410A, three-phase)

The Viessmann Vitocal 222-S (16 kW) is a high-capacity split air-to-water heat pump with an integrated 190-liter hot water tank, delivering heating, cooling, and domestic hot water in one compact indoor unit. Designed for larger residential properties, it uses R410A refrigerant and a three-phase power supply to provide powerful and efficient performance with quiet operation.

Key Features and Benefits

✔ 16 kW Heating and Cooling Capacity – Built for large homes with high energy demand
✔ Integrated 190 L DHW Tank – Combines hot water and space heating in one system
✔ R410A Refrigerant – Long-lasting, proven thermal performance
✔ Split-System Configuration – Indoor hydro module + outdoor unit
✔ Three-Phase Power – Stable and smooth operation under high load
✔ Low Noise Emissions – Quiet operation indoors and outdoors
✔ Smart Home Compatibility – Works with ViCare app and One Base platform
✔ Compact Design – Space-saving all-in-one solution for new and renovated homes

Vitocal 222-S (16 kW) is the perfect match for homes that require high-performance comfort with integrated DHW in a sleek, smart package.

Viessmann Vitocal 222-S – All-in-One Air-to-Water Heat Pump with Integrated Boiler (13 kW, R410A, three-phase)

The Viessmann Vitocal 222-S (13 kW) is a high-output split-type air-to-water heat pump with a built-in 220-liter domestic hot water tank, designed for medium to large residential buildings. With its R410A refrigerant and three-phase electrical supply, it ensures strong performance, quiet operation, and compact indoor installation — combining heating, cooling, and hot water in one all-in-one solution.

Key Features and Benefits

✔ 13 kW Heating and Cooling Capacity – Ideal for larger homes and higher demand
✔ Integrated 220 L DHW Tank – Compact solution for heating and domestic hot water
✔ R410A Refrigerant – Reliable, proven, and efficient
✔ Split-System Configuration – Indoor hydro unit with outdoor module
✔ Three-Phase Power – Ensures stable performance under heavy load
✔ Quiet Operation – Low sound levels inside and out
✔ Smart System Ready – Compatible with ViCare and modern smart home platforms
✔ Space-Saving Design – All-in-one system ideal for renovations and tight indoor spaces

Vitocal 222-S (13 kW) is a top choice for homes that need high performance, quiet comfort, and efficient climate control in a compact format.

Viessmann Vitocal 222-S – All-in-One Air-to-Water Heat Pump with Integrated Boiler (10 kW, R410A, three-phase)

The Viessmann Vitocal 222-S (10 kW) is a powerful and compact split-type air-to-water heat pump with a built-in 220-liter domestic hot water tank, designed to deliver heating, cooling, and hot water in a single all-in-one indoor unit. Engineered for medium to large homes, it operates with R410A refrigerant and a three-phase connection, ensuring reliable performance and low-noise operation.

Key Features and Benefits

✔ 10 kW Heating and Cooling Output – Ideal for medium and larger homes
✔ Integrated 220 L DHW Tank – Heating and hot water in one indoor system
✔ R410A Refrigerant – Proven and durable for long-term use
✔ Split-System Configuration – Indoor hydro unit + outdoor module
✔ Three-Phase Power Supply – Stable operation for high-demand systems
✔ Quiet Performance – Low operating noise indoors and outdoors
✔ Smart Integration Ready – Compatible with ViCare and other smart platforms
✔ Perfect for Renovations and New Builds – Space-saving all-in-one solution

Vitocal 222-S (10 kW) is an ideal choice for households seeking a complete, powerful, and compact heating and cooling system.