Solar energy or electric water heater for domestic hot water
The biggest advantage of solar water heater is to save electricity, in the process of heating the water most of the heat from the sun, almost no power consumption. But the solar water heater in the rainy days, not normal use, so the conditional installation of solar water heater users suggested that the choice of solar water heater with an auxiliary electric heater, to facilitate the hot water in the rainy day.Electric water heater is not affected by the weather changes, as long as electricity can provide hot water; the disadvantage is the use of hot water consumption is large, and the electric water heater needs to be installed in the room, the room occupied space.
The collector and the solar water heater tank needs to be installed on the roof, the open area can be normal lighting position, generally small high-rise and high-rise building users only near the top of households have installed conditions of the solar water heater, or ordinary residents of households.
Solar water heater with auxiliary electric heater is recommended in the case of solar water heater installation.
