Does the instant electric water heater consume a lot of electricity?

It depends on the power of the water heater and the size of the power gear used.

Because the instant electric water heater can be used and cleaned without preheating and heat preservation, the power consumption is lower than that of the storage electric water heater.

It can be calculated by kwh electricity. For example, the power of a water heater is 7500 watts. If you take a bath with the highest power, the power consumption of continuous work for one hour is 7.5 degrees. But usually the bathing time is shorter and the power consumption is definitely lower. For example, the power consumption for half an hour is 3.75 degrees, and the power consumption for 10 minute is 1.25 degrees.

If you take a bath with low power in summer, the power consumption will be lower.

Extended data:

Instant electric water heater is a kind of water heater that can quickly heat tap water through electronic heating elements, and can control the water temperature, flow rate and power through circuits to make the water temperature reach the temperature suitable for human bathing. You can start heating immediately without waiting, usually in a few seconds.

Instant electric water heaters can be divided into multi-stage instant electric water heaters, constant temperature instant electric water heaters, kitchen treasures, hand washing treasures, instant solar partners, electric faucets and other types according to the types of use.

classify

Multiple gear type

It is an instant electric water heater that can adjust the heating power by adjusting multiple gears, generally 4- 10 gear, 3 gear for kitchen treasure, and 1-2 gear for hand washing treasure and electric faucet.

Solar energy companion

Instant solar energy companion (also known as instant water heating treasure in the industry) does not need preheating, that is, the hot water heating treasure will not lose heat during preheating, and because of the large amount of water, it will not take away a lot of heat like a storage water heater, resulting in waste. Relevant experts have done experiments specially. A 40L storage water heater has good thermal insulation. There is no hot water for 24 hours a day, and the power consumption is above 1.2 degrees. The colder the weather, the greater the power consumption.

Compared with this, hot water treasure saves water and electricity, which is an energy-saving product stipulated by the state. It is an instant hot water device assisted by solar water heater, which is suitable for solar energy, air energy, heating, electric heating and other water heaters. It can be used for bathing, washing clothes or as a kitchen water heater alone. In solar energy, air energy and other water heaters, when the temperature of hot water cannot reach the required temperature due to weather, season, water quality and other reasons, hot hot water treasure is used for auxiliary heating, which is more convenient and faster to use hot water, and truly realizes energy saving and emission reduction.

Instant electric water heater

Also known as quick-heating, quick-heating or instant-heating water heaters, the basic characteristics of instant electric water heaters are: once the water outlet is opened, hot water can be continuously supplied within a few seconds, and when hot water is not used, the faucet can be turned off.

Constant temperature instant electric water heater

It refers to an electric water heater that can keep the outlet water temperature basically constant with the temperature set by the user when the inlet water flow, inlet water temperature and power supply voltage change. Instant electric water heater can save electricity by 30%-60%. The product is equipped with a heat recovery device, which can use a 2.5-square-millimeter power cord. Products are divided into two types: exposed and concealed. Suitable for large shower nozzle spraying and hotels, hotels, families and other environments. A family only needs 1 kwh to take a bath a day.

Installation and purchase suggestions

1) although the instant electric water heater has the characteristics of small floor space, quick water outlet, environmental protection and energy saving, its power is too large for ordinary household electric meters to bear. The power of the instant electric water heater is above 6~8.5kW and the current is 27~63A, which exceeds the current of 15A borne by most domestic houses. Therefore, the family should consider whether it meets the requirements when choosing this electric water heater.

2) In case of large office water consumption, commercial electric water heaters with power greater than 15kW should be selected.

3) In order to avoid the influence of noise on the office, it is best to choose products that run silently.

4) The maximum working pressure of the selected commercial electric water heater is suggested to be 1.0MPa.

5) The inner container has a special coating (such as Jingui material) to ensure anticorrosion and scale prevention.

6) The water heater is compact in structure and easy to install.

7) The water heater has double protection devices for temperature and pressure safety to ensure safe operation.

8) The water heater can run automatically.

9) High thermal efficiency, greater than 95% (high-grade, mid-range products).

10) When choosing overseas, the power supply should be customized according to the local power supply situation in the country where the embassies and consulates abroad are located. For example, the power supply in the United States is 120V, 60Hz, etc. You need to explain to the manufacturer in advance before ordering.

References:

Baidu encyclopedia-instant electric water heater