Instantaneous water heaters provide hot water instantaneously and only as it is needed. When you turn on a hot water tap in your home, cold water travels through a pipe into a heat exchanger in the unit.
The cold water is heated in the heat exchanger via district heating water or another waterborne heat source. As a result, the water heaters deliver a constant supply of instant hot water.
The biggest advantage of a water heater with heat exchanger is: It never goes empty! Danfoss instantaneous water heaters can supply from one up to four households with domestic hot water and are very suitable for one-family houses.
Installation and maintenance
Proper installation and maintenance of your water heater can optimize its energy efficiency. Proper installation depends on many factors. Therefore, it is best to have a qualified plumbing and heating contractor install your water heater for you.
It is necessary to check and maintain the water heater on a regular basis in order to keep it in good operating condition. The frequency of the maintenance and service inspections should be according to system manufacturer specifications and local legislation. Most instantaneous and tankless hot water heaters have a life expectancy of more than 20 years. They also have easily replaceable parts that extend their life by many more years.
Periodic water heater maintenance can significantly extend your water heater's life and minimize loss of efficiency. Read the instructions that come with the water heater for our specific maintenance recommendations.
Features and benefits
Easy to install, requires little space and is simple to operate.
Low operational temperatures.
Provides very clean water since there is no stagnant water in heat exchangers where slime and bacteria can grow.
Product range
Documents
| Type | Name | Language | Valid for | Updated | Download | File type |
|---|---|---|---|---|---|---|
| Brochure | Specifying the right district heating substation makes commercial sense | Slovenian | Slovenia | 21 Jul, 2015 | 5.2 MB | |
| Brochure | Specifying the right district heating substation makes commercial sense | Slovak | Slovakia | 21 Jul, 2015 | 2.4 MB | |
| Brochure | Specifying the right district heating substation makes commercial sense | English | Multiple | 05 Mar, 2015 | 2.4 MB | |
| Brochure | Specifying the right district heating substation makes commercial sense | Bulgarian | Bulgaria | 31 Jul, 2015 | 11.3 MB | |
| Brochure | Specifying the right district heating substation makes commercial sense | Romanian, Moldavian, Moldovan | Romania | 29 Aug, 2015 | 2.3 MB | |
| Brochure | Specifying the right district heating substation makes commercial sense | Ukrainian | Ukraine | 18 Sep, 2015 | 2.2 MB | |
| Brochure | Specifying the right district heating substation makes commercial sense | Croatian | Croatia | 06 Aug, 2015 | 2.5 MB | |
| Brochure | Specifying the right district heating substation makes commercial sense | German | Multiple | 16 Mar, 2020 | 3.1 MB |
Case studies
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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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Until 2014, the apartments in this multi-family building located in the Hamburg suburb of Bergedorf were heated using electrical water heaters and supplied with domestic hot water using electrical instantaneous water heaters. Now, after the renovation, a block heating station in the basement of the building provides heating distributed via flat stations installed in the stairwell and used for decentralized domestic hot water. Tenants were able to stay in their apartments throughout the renovation process.
