How to make your electric boiler more energy efficient?

2020-12-22 17:59:54

Everyone knows that air conditioners, electric boilers, refrigerators, etc. are all high-power electrical appliances that consume a lot of electricity and cost users a lot of money. So, how do we use it correctly and reasonably to make the electric boiler more economical and electricity-saving?

1. Reasonably choose the power of electric boiler

The selection of electric boiler power must be calculated according to the heat load of the heating room. Different house structures, room heights, lighting areas, and room locations have different heat loads. Therefore, here are a few suggestions: energy-saving buildings can use 13-15m2/KW boilers; ordinary buildings can use 10-11m2/KW boilers; villas and bungalows can use 8-9m2/KW boilers; poor sealing conditions , The heating area per kilowatt of electric boiler should be appropriately reduced if the room height is greater than 2.7 meters or the houses are frequently visited.

Many users believe that the lower the power of the boiler, the lower the heating cost. In fact, on the contrary, designing a larger boiler power does not increase the operating cost of the heating period, but saves the operating cost of the heating period. There are often users who use boiler power that does not meet the heat load requirements of the room, which not only causes non-stop or seldom shutdowns, but also fails to reach the ideal heating temperature.

2. Reasonably adjust the temperature difference between supply and return water

Electric boiler hot water heating systems are divided into three main forms, and the temperature difference between the supply and return water is as follows: In the low temperature hot water radiator heating system, the ideal boiler supply and return water temperature difference is suitable for 20-25 ℃; in the low temperature hot water floor radiation In the heating system, the temperature difference between the supply and return water of the boiler should be 5-10℃; in the fan-coil heating system, the temperature difference between the supply and return water of the boiler should be 4-5℃. Properly adjusting the temperature difference between the supply and return water of the electric boiler can increase the heat transfer coefficient, increase the efficiency of the boiler, and greatly reduce the operating cost of the entire boiler during the heating period.

Electric Boiler

3. Set the upper limit temperature reasonably

The working principle of electric boiler is intermittent operation. That is, when the water supply temperature is less than the upper limit temperature, the boiler is in the heating state; when the water supply temperature reaches the upper limit temperature, the boiler is in the shutdown state for heat preservation. In the coldest days of the heating period, the heating value provided by the boiler just meets or is less than the heating load required by the room. Setting the upper limit temperature value of the boiler too high will cause the actual water supply temperature of the electric boiler, and it is difficult to reach the upper limit temperature. In this way, the boiler will be heated for 24 hours.

4. set the night control temperature reasonably

The electric boiler can set four working periods. When we fall asleep at night, we do not need a high heating temperature. We can lower the heating temperature of the boiler appropriately, which can save the operating cost of the boiler during the heating period.

5. Use radiator thermostatic valve

The temperature of the room can be adjusted freely by adjusting the thermostatic valve of the radiator. We can lower the temperature of the thermostatic valve of the radiator that does not often enter and exit the room, such as the auxiliary bedroom and storage room, which can also save the operating cost of the electric boiler during the heating period.

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