Through preliminary understanding, solar water heaters have vacuum tube type and heat pump type, are they still of other types? How to identify? What famous brands are there?
The utility model is heated by a compressor used in an air conditioner, and saves 2/3 of the electricity charge compared to the ordinary electric water heater.
You say heat pump type, that is not solar water heater, is a heat pump water heater
Solar water heaters are divided into vacuum tubes and solar panels, two ways to receive solar energy.
