How many kWh does the solar water heater consume every day?

A good solar energy product loses 4 -6 degrees of heat every day. In this case, it is easier to raise the temperature on the basis of the original water temperature the next day, even if it reaches the temperature you need. Generally speaking, the water in the water tank can reach more than 70 degrees in two or three days. You can turn on the electric heater when it is cloudy continuously, so that the double insurance has hot water every day.

Generally speaking, the average sunshine time in winter in North China Plain is 7.5 hours/day. In this case, the daily temperature of a good solar water heater will generally rise to about 30 degrees. It is recommended not to use solar energy on the day of water supply and wait until the next day.

Advantages of solar water heater:

1, energy saving and environmental protection

Using solar water heaters can reduce environmental pollution and the production of greenhouse gas carbon dioxide more than using fossil fuels to make hot water.

2, safe and reliable

Simple operation and high safety, unlike the danger of explosion or poisoning when using gas, the boiler using oil has the fear of explosion, even if the vacuum tube is just broken glass or loses vacuum.

3, do not occupy space

The solar water heater is installed on the roof or outside the house and will not occupy any indoor space.

4. It has economic benefits.

Using solar water heaters can reduce electricity or gas bills. Under normal use, the water heater is not easy to be damaged, and its service life is at least ten or even twenty years. Because the basic heat source is free solar energy, it is very cost-effective.