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Viessmann offers customized system solutions for all energy sources for use in detached homes and multi-family buildings. Our extensive portfolio includes condensing boilers for oil and gas, micro-CHP systems with PEM fuel cells, and combined heat and power plants.
The range of renewable energy systems includes solar thermal systems for hot water heating, backup central heating and cooling, as well as specialized boilers for logs, wood chips, and pellets. There are also hybrid units, heat pumps, and ice storage systems that utilize energy from the ground, groundwater, or ambient air, as well as photovoltaic and ventilation systems.
Upgrading your heating system is worth it. Our upgrade compass will show you what technical options are available and how they could pay off in terms of heating cost savings and subsidies for related energy sources.
If you want to use the latest heating technology without a large investment, you can rent a Viessmann heating system instead of purchasing one.
What heating technologies exist and under what circumstances are they suitable? Find out which heating system is best for your project.
Climate-neutral heating with hydrogen – green hydrogen plays a vital role in achieving climate neutrality in Germany and the EU. Homeowners who choose Viessmann's advanced gas condensing technology are ideally prepared for the future.
Below is an overview of Viessmann's wide product range. Click on a title to learn more.
Heat pumps are the first choice for those looking to reduce their heating bills and generate heat in a more environmentally responsible way. After all, the environment provides the heat pump with an unlimited and free supply of the energy it needs. This complete heating system requires very little energy for its drives and pumps to make this energy available. A heat pump makes you independent of fossil fuels and, what's more, actively contributes to reducing CO2 emissions and protecting the climate.
Ground-source heat pumps use the earth as their primary energy source, either through geothermal collectors or geothermal probes. Learn more!
Air-source heat pumps are quiet. Learn more about how they work, their advantages, and our products here.
Viessmann split heat pumps at a glance: Here you'll find all the most important information about the design, operation, and financing of our products.
A DHW heat pump uses room heat to produce domestic hot water, making it particularly efficient. Learn more about the benefits.
Viessmann's large heat pumps provide environmentally responsible heating using renewable energy. Learn more about their use and features here!
The new ice storage heating concept combines air and geothermal energy and can also use solar radiation as a heat source.
Natural and active cooling: cost-effective space cooling with a heat pump. Learn more about how it works!
Given today's energy prices and overall investment costs, a wood-burning heating system is a viable alternative. Viessmann's advanced technology makes wood heating efficient and convenient. Whether you're looking for an auxiliary unit or a complete heating system, Viessmann offers flexible solutions that burn logs or pellets, depending on the boiler type.
One of the unique features of pellet heating is its clean technology. Learn about how it works, the fuel, and much more here!
Today, heating with logs is an effective alternative to oil or gas. Read about the advantages of a wood heating system.
Make yourself more independent from external energy suppliers and rising electricity prices with this innovative way to generate energy.
Fuel cell heating systems like the Vitovalor PT2 are suitable for modern detached and semi-detached homes. You can find a product overview here!
Today, heating with logs is an effective alternative to oil or gas. Read about the advantages of a wood heating system.
Viessmann solar collectors meet all requirements for efficient and cost-effective backup central heating and hot water heating. Offering a wide range of flat-plate and evacuated tube collectors, Viessmann offers flexible and customized solutions for adding a solar thermal system to any modern heating system.
Vitosol 200-FM and 100-FM flat-plate collectors are protected from overheating by the ThermProtect system. Learn more about the benefits.
With tubular collectors, you can easily harness free solar energy for your own heating needs in an environmentally responsible way. Find out more now.
Solar energy – anyone can generate their own electricity by installing a Viessmann photovoltaic system. Converting free solar energy into electricity is cost-effective compared to self-consumption, and when combined with energy storage systems, it also ensures independence from the public grid.
Photovoltaic modules provide sustainable electricity generation using solar energy. Find the right module for your energy needs now!
With the ideal photovoltaic storage system from Viessmann, you can store the electricity you generate and increase your own consumption. Learn more here!
Viessmann combines highly efficient condensing technology with the use of free environmental energy. The compact hybrid appliance Vitocaldens 222-F allows you to find the optimal combination of renewable and conventional energy sources. When it comes to retrofitting existing condensing boilers with free environmental energy, Viessmann offers the right system: The Vitocal 250-S split heat pump with air source can be combined with a wall-mounted or floor-standing condensing boiler.
Gas hybrid appliances offer a future-proof energy balance by combining proven gas condensing technology with recuperative heat.
Oil-based hybrid appliances offer a future-proof energy balance by combining proven oil condensing technology with renewable heat.
Whether it's compact, wall-mounted gas condensing boilers, floor-standing units, or mid-sized boilers for high heating needs, the Viessmann gas boiler range will meet any expectation of an efficient and cost-effective gas heating system.
A gas condensing boiler provides efficient heating that protects the climate, the environment, and your wallet. We've summarized the benefits.
Low-temperature gas boilers - proven Viessmann quality with a capacity of up to 2000 kW and high standard seasonal efficiency [according to DIN].
Our range of oil boilers will meet all your needs for an efficient and cost-effective oil heating system – for use in both a detached home and a small apartment building. With a wide range of power ratings up to 80 kW, they are ideal for any application.
An oil-fired condensing boiler operates efficiently and reliably. Modern boilers can even achieve energy savings of up to 35%. Read now.
Compact, reliable, and flexible: Viessmann low-temperature oil boilers meet your needs. Find out more now!
The interior of a water heater is crucial for hygienic hot water heating. That's why Viessmann relies on two high-quality materials: Ceraprotect enamel coating for reliable and long-lasting corrosion protection in the Vitocell 100 series, and stainless steel in the Vitocell 300 series for exceptional hygiene. The Vitocell cylinder range offers the right hot water cylinder for your specific requirements.
Viessmann offers the right hot water cylinder for every need. Let us show you the advantages of our different models!
A dual-mode DHW cylinder allows you to integrate solar thermal technology into your heating system. You can find all the information here.
A buffer tank is the perfect addition to your heating system. Here you'll find an overview of Viessmann heating water buffer cylinders.
Freshwater modules provide hygienic hot water heating. We explain how they work in an easy-to-understand manner. Read on now.
Viessmann mechanical ventilation systems feature innovative technology. They are durable, reliable, and exceptionally quiet. Thanks to their various equipment levels, they can be flexibly used in a wide range of applications, whether for new buildings or modernization of existing ones.
Central ventilation systems are powerful and particularly energy-efficient. We present an overview of our product range. Read on now.
Decentralized mechanical ventilation helps prevent mold growth in older buildings. Read on to learn what to keep in mind during the planning stage.
Convenient hot water heating and heat generation using electricity
Choose an electric hot water system from Viessmann and enjoy ease of use. All information at a glance!
An electric heater can be easily installed virtually anywhere as a complement to a heating system. Learn more about Vitoplanar products.
The innovative Vitoset accessory range fits perfectly with all other Viessmann products and impressively demonstrates Viessmann's system competence.
Viessmann radiators operate efficiently and reliably thanks to their high quality. Here you'll find an overview of all our product solutions.
Viessmann underfloor heating – easy installation, energy savings, safety, convenience, all from a single source. Find information here.
Viessmann fuel oil tanks take up little space and ensure trouble-free fuel oil storage. Learn more about Vitoset fuel oil tanks now.
Viessmann hot water softener systems significantly reduce scale deposits. Learn more about DVGW-certified systems.
The Vitoset Protect package provides effective protection for your heating system from damaging factors such as scale, rust, and air. Learn more about the components here.
Despite limited natural gas and oil reserves, global consumption is growing. At the same time, CO₂ emissions are warming our atmosphere and leading to climate change. Those who take a long-term perspective are using fossil fuels sparingly, striving to improve the efficiency of heating, cooling, ventilation, and power generation, and increasingly relying on renewable energy sources. On these pages, you'll find all the heating information you need for new construction and renovation projects.
We'll explain what's important when purchasing a new Viessmann heating system and provide some tips to help you choose the system that's right for you.
Smart renovation of old buildings using new heating technology. Energy savings of up to 85% in modernized old buildings. Learn more here.
What heating technologies exist and under what circumstances are they suitable? Find out which heating system is best for your project.
Upgrading your heating system is an effective measure if you pay attention to a few key points. Find out everything you need to know about planning and costs here.
A heat pump extracts heat from the environment and converts it into useful energy for heating and hot water. To ensure it operates economically in both new and existing buildings, several factors must be considered.
Our heating equipment dictionary contains information and explanations of heating equipment terms, as well as technical terms specific to Viessmann.
One way to save energy is by using smart home solutions and, accordingly, intelligent heating technology from Viessmann. Find out what this could look like here.
Make your home a "smart home." What is meant by the term "smart home," what benefits does it offer, and how does it work with Viessmann heating systems and control technologies?
Whether end users or trade partners, Viessmann has the right apps for every target group. Learn more about their features and applications here.
Make your home more comfortable, efficient, and future-proof with Viessmann One Base: The platform integrates existing smart home solutions into a single system.
The Rosenstein quarter in Stuttgart
Our goal: to make climate protection accessible in the housing sector. Here you'll find solutions for climate-neutral residential buildings in partnership with Viessmann Climate Solutions.
Blauhaus in Mönchengladbach (photo: © Thorsten Arendt Fotografie)
As an architect, you act as an independent consultant. Viessmann is your expert partner in this endeavor. Our information for architects is tailored precisely to your needs and seamlessly combines architecture and technology.
Below you'll find numerous guides and services you can use to learn more about your existing heating system or figure out which system is right for you to buy.
How often does a heating system need maintenance? Does Viessmann provide heating system maintenance? What should you do if you receive an error message? Here you'll find answers and useful information to the most frequently asked questions about your heating system and heating in general.
What heating technologies exist and under what circumstances are they suitable? Find out which heating system is best for your project.
Upgrading your heating system is an effective measure if you pay attention to a few key points. Find out everything you need to know about planning and costs here.
Our regularly trained partners will not only install your new Viessmann solution, but also offer maintenance and other services.
Do you need a new heating system? But you don't know where to start? Request a free expert consultation here. Our experts will help you choose and plan your new heating system.
Our technology and systems guide will answer your questions about common heating technologies and types. We'll help you choose the right heating system!
Viessmann's "Heating the Right Way" guides offer practical tips on saving energy and reducing heating costs, among other things. Learn more here!
The Viessmann service and repair manual offers tips on what to do if your heating system is making strange noises, not heating, or displaying error codes!
