Advantages and disadvantages of solar water heater
Post cold phenomenon.4, in addition to rainy days, the use of solar water heaters do not need other costs, such as gas costs, electricityIn rainy weather, it is necessary to use auxiliary electric heating device, then you have to pay the electricity bill, in factIn rainy days, solar water heaters are still working, but the temperature of hot water can not reach the user washBath needs, but the water in the tank is warm, higher than ordinary tap water temperature, therefore, even ifIt is rainy day, it is also more than ordinary electric water heater.
Advantages and disadvantages of solar water heater1, solar energy is not only energy efficient and save money, but also in use will not cause pollution to the environment.2, solar water heater service life is very long, if the use is reasonable, its life can be as long as 15 years.3, solar water heater temperature stability is good, as long as there is hot water tank, there will be no heat
3, solar water heater for several days without water are generally more hot water, more than 70 DEG C, especially in summer sunny weather for more than 2 days, the water will boil, to be properly cooling at night, keep the water temperature at 60 to 70 DEG C. region for a long time, and this is the temperature region excellent water temperature of the bacteria, so several days or without water, poor water quality, bacteria, to be discharged, can not take a bath or used for boiling water drinking.
5, due to the use of electricity or gas, there is no risk of electric shock or poisoning, so solar heatWater safety is very high.But solar water heaters have their drawbacks, too:1, the initial investment.2, solar water heater on the installation position requirements are very strict, in the city generally only live inThe top floor or the owner of the villa may be installed.