Solution Offering

SHK+E Essen 2024: innovative system solutions for heat and power supply

“One seamless System for power and heat” – this is the motto under which Viessmann is presenting comprehensive energy systems for heat, cooling, ventilation and power at the SHK+E in Essen. A second focus is on the range of services for specialist partners.

Two Viessmann Vitocal 250-A external components can be cascaded for buildings with heating loads of up to 37 kW.

Essen, Allendorf (Eder), 3/19/2024 – From March 19 to 22, 2024, Viessmann Deutschland GmbH will present its newest energy solutions at the SHK+E in Essen, Germany, (Hall 3 Stand 3A11) under the motto “Fully connected: electricity and heat in a single system”. Some of the products presented include combinations of heat pumps, photovoltaics, electricity storage systems and charging stations, which increase homeowners’ independence from public electricity supply while also relieving the load on the grid at peak load times. The pioneering Viessmann Invisible climate system that creates more space in the home and recently received the iF Design Award 2024 will also be on show.  

A second focus this year will be placed on the wide range of assistance and support services that Viessmann provides for specialist partners to make their day-to-day work easier and more efficient. The information being offered will be rounded off by interesting short presentations on selected specialist topics, which will be held daily at the trade fair stand.

The most important new arrivals at a glance

Vitocal 250-A: winner of the Stiftung Warentest heat pump test now available in new output sizes

The Vitocal 250-A heat pump for modernization projects (Type: AWO-E-AC 251.A10, rated output 2.6 to 9.7 kW at A-7/W35 based on EN 14511) was the winning product in a comparison conducted by Stiftung Warentest in October 2023. This year, additional output sizes (16 and 18.5 kW) expand the range of applications for Vitocal 250-A and 252-A heat pumps to buildings with larger heating loads.

Vitocal 250-A PRO: air/water heat pumps for commercial use win the iF Gold Design Award 2024

The compact monobloc heat pump for larger residential buildings, commerce and commercial buildings heats, cools and produces hot water with flow temperatures of up to 70 °C. It has now been recognized for its outstanding design with the iF Gold Design Award 2024.  

Vitocal 262-A: hot water heat pump now with natural refrigerant R290

The new versions of the hot water heat pump now work with the natural refrigerant R290 and are compatible with the Viessmann One Base platform. This enables seamless communication with other components in Viessmann’s Integrated Solution Offering.

Vitovolt 300-DG: new double-glass photovoltaic module with bifacial TOPCon cell technology

The new premium PV modules come in a double-glass design with bifacial N-type TOPCon cell technology and achieve outputs of up to 445 Wp. These models come with a performance warranty of up to 30 years and a product warranty of up to 25 years.  

Vitocharge VX3: modular electricity storage system can now be cascaded to up to 75 kWh

The Vitocharge VX3 hybrid electricity storage system is the centerpiece of every comprehensive system solution for heat and power. It can be cascaded to up to 75 kWh of battery capacity and has a maximum AC output of up to 45 kW, thus expanding the modular electricity storage system’s range of applications.

Vitoair CT PRO: the latest ventilation system for smaller commercial applications

Some of the key strengths of the new Vitoair CT PRO are its above-average heat recovery rate of up to 84 percent (in accordance with DIN EN 308) using counter-flow heat exchangers and its vertical air duct connectors that enable a very small footprint.  

Vitoair Valve: the new universal solution for supply and extract air

The new Vitoair Valve ventilation valves are designed for universal use and feature colored caps to help them blend seamlessly into even the most sophisticated living space. The low installation depth of the valve housing makes it suitable for all standard forms of installation. The Vitoair Valve received the iF Design Award 2024 for its attractive and elegant shape and for the use of high-quality materials that make it an eye-catcher in any room.

Viessmann One Base: Integrate third-party systems with Solar-Log

The new Solar-Log Base Vi expands the integration of existing photovoltaic systems into an energy system under the Viessmann One Base electronics platform. It also now features a new EMS tool that supports specialist partners when selecting the necessary energy system products and displays the associated circuit diagrams.

ViGuide: Digital tradesman tool with additional applications

The new ViGuide Business is specifically aimed at landlords, contractors and commercial system operators. The tool can be used to view systems at several locations in a clearly organized manner and make basic settings online if required.

ViGuide Planning: planning tool now includes the automatic transfer of heating loads and check for GEG conformity

The app enables joint project planning with access for sales, pre-sales and specialist partners on a single platform. ViGuide Planning now automatically transfers values from the heating load calculation to the system planning and checks compliance with the specifications of Germany’s Building Energy Act (GEG).

ViParts: new app for easy ordering of spare parts

Spare parts found quickly. Exploded drawings and parts lists are displayed directly, and can be entered more quickly thanks to an optimized spare parts search function.

Viessmann Home: Conserve valuable market partner capacity

Viessmann Home enables end customers to enjoy quick access to answers that cover frequently asked questions and to the Viessmann Climate Solutions Community, which helps them to find answers themselves instead of contacting their specialist partner. In doing so, Viessmann Climate Solutions helps to conserve the valuable capacities of its market partners.  

Heat Pump Protect: new all-risk insurance against theft and damage

Operators of Viessmann heat pumps who have insured their outdoor units with Heat Pump Protect can look to the future and enjoy peace of mind. The convenient solution includes not only protection against theft and vandalism but also damage from natural hazards such as storms, hail, lightning, flooding, damage caused by animals as well as operating faults.  

FörderProfi (Subsidy Pro): competent subsidy support with new features

FörderProfi (Subsidy Pro) is your reliable digital partner for applying for state subsidies for a new heating system. New features this year include the heating check and the inclusion of automatic flow balancing.

Follow this link to access the press kit including all detailed press releases:

Viessmann Climate Solutions

We are Viessmann Climate Solutions. Founded in 1917 as a heating technology manufacturer, today, as part of Carrier, we are a global leader in efficient and systems-based climate (heating, cooling, water and air quality) and renewable energy solutions for the residential and commercial sector.  

Our integrated solution offering seamlessly connects products and systems via digital platforms and services to a holistic climate and energy solution, creating a safe and reliable environment for our users. All activities are based on our mission statement “Designing living spaces for generations to come.” This is the responsibility that guides us and our (trade) partners every day.


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This year, new 16 and 18.5 kW output sizes expand the range of applications of Vitocal 250-A and Vitocal 252-A air/water heat pumps to buildings with larger heating loads.

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With its flow temperatures of up to 70 °C, the iF Gold Design Award-winning Vitocal 250-A PRO air/water heat pump is the ideal solution for supplying heat to larger residential buildings and shops, as well as on commercial premises.

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Three variants for every need: Vitocal 262-A hot water heat pump with DHW cylinder (300 liter capacity) and as a wall module.

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The Vitovolt 300-DG, a double-glass module with bifacial TOPCon cell technology, is now being added to the Vitovolt 300 product range from Viessmann.

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The Vitocharge VX3 hybrid electricity storage system from Viessmann is now also available for cascading applications with up to five cylinders and up to a maximum of 75 kWh.

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One of the key strengths of the new Vitoair CT PRO ventilation system is its above-average heat recovery rate of up to 84% (in accordance with DIN EN 308) using counter-flow heat exchangers.

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The ViGuide Planning tool now automatically transfers values from the heating load calculation to the system planning and checks compliance with GEG specifications.

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With Viessmann Home, operators of a Viessmann energy system now have a central access point for all topics relating to their products and services.

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Insuring heat pumps against theft and damage: With Viessman Heat Pump Protect, operators of Viessmann heat pumps can look to the future with peace of mind.

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