Use of district heating equals higher individual comfort and energy efficiency
The basic principles behind district energy are remarkably simple. At one end of the network is an energy source (often a multi-fuel CHP plant). Heat is then distributed via a network of insulated pipes to residential, commercial and industrial buildings across the city.
At the end-user level, individual buildings are connected to the district heating network. In the building a substation with heat exchangers and various control components efficiently transfer hot water for room heating and domestic hot water (DHW) purposes into a building’s HVAC and DHW systems.
Choosing the right heat distribution system for a building (or network) is influenced by three main criteria:
- technical connection specifications;
- heat requirements of the building;
- comfort preferences of the building’s occupants.
The more accurately you can balance those needs, the better the service you will provide to your end-users and the more energy efficiency you will achieve. Both of these factors are good for your business.
At Danfoss, we develop and produce all major components for our substations and flat stations in-house. Because we manufacture the key components ourselves, you will benefit from optimized heat transfer and system control performance. Pressure, differential pressure, temperature and flow are integrated and automatically controlled on nearly all Danfoss substations.
Controllers without auxiliary power, electronic controllers, motorized control valves and energy meters ensure maximum comfort and energy efficiency. They also enable integration into higher-level control and monitoring systems.
How we can help you
Wide product portfolio from flat stations to large site-specific heat transfer units and extensive range of control components
Consultancy and customer dedication, years of experience in buildings and maintaining district energy network
Innovation, technical optimization and performance
Safety and reliability in cooperation, expertise through the entire delivery chain of district energy
Global reach with strong local representation and know-how
Experience with all types of initial energy sources
What are the benefits of district heating and cooling for buildings?
Tools and apps
Heat Selector
Danfoss Heat Selector is the best-in-class online selection tool that optimizes the planning process for heating application experts.
District heating application guide
We share experience, application expertise and make recommendations on optimum performing DH applications and key applied control components
Related products
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Motorized control valves ensure perfect control and efficiency for every building and application. Danfoss Motorized Control Valves (MCV) for district heating and cooling, HVAC and central heating systems ensure stable and accurate control of water, glycol mixtures and steam.
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Ball valves enable on/off control of the building system connection. They create the sectioning of the system that enables service, maintenance and repairs to be carried out in sections, without shutting down or emptying the whole system.
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Butterfly valves are the components that provide on/off regulation of the district heating, HVAC or water applications where limited space is available for components.
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The performance of the Brazed Plate Heat Exchanger (BPHE) has been proven through 30 years of constant development, ensuring unparalleled efficiency for all applications.
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Our service team offers repairs, trouble shooting, upgrades, and on-site cleaning and maintenance of your plate heat exchanger solution. We always utilize genuine spare parts both for SONDEX® heat exchangers and our selection of other heat exchanger brands.
Case stories
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The Saleska Valley district heating network is the second largest network in Slovenia, dating back to 1959. Since then, the demands have changed significantly and have challenged the hydronic balancing of the system which was optimized with new intelligent controllers Virtus.
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The South Korean National Institute of Fishery Science is enjoying great fuel savings and 20-30% less emissions from its newest research vessel. A special shaft generator solution enabled the vessel to comply with the IMO environmental regulations effective in 2020.
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In Europe, 30 percent of all energy consumption goes to heat or cool buildings. Danfoss has the solution to lower energy usage and improve indoor climate by adding a digital element: Leanheat software.
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The world’s largest solar heating plant in Silkeborg, Denmark harnesses energy to heat the homes and workplaces of 40,000 citizens. It supplies 18-20% of the annual heat consumption in the city of Silkeborg, Denmark, which has an ambitious target of CO2 neutrality in heat production by the year 2030.
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Building: Office
Application: Production of heating, cooling and domestic hot water
Challenge: Design and construct customized district energy solutions for all buildings on the park
Solution: Danfoss designed and constructed 3 pre-assembled DSE substations containing control valves for the heating, cooling and domestic hot water, heat meters, self-acting controllers and electronic controllers connected to a central Building Management System. -
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600 residents in the town of Soma in Western Turkey now enjoy the comforts of a reliable and cheap heat supply from the town’s brand new district heating system.
In the coming years, more than 8,000 households will be joining the system that exploits the excess heat from the municipal power plant – a great improvement from the charcoal boilers of the past, and much less expensive.
News
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