Don't throw away the scrapped air conditioner in a hurry teach you to change it into a solar heati

[@charliezwl]

我家也太阳能热水，大水箱收集。夏天太阳热过剩，冬天不够，需开热泵，中国可能叫空气能，外机就是分体空调同样。

[@doushanhe2239]

最怕水垢,一年就堵死了。