目前,太阳能热水器技术成熟,四季热水十分理想。但太阳能每天吸收大量热量,夏季热量严重过剩,春、秋、冬三季环境温度相对较低,很少有人利用热水器洗澡,花好多钱买来的东西长时间闲置实在可惜。新型发电太阳能热水器,在不改变 At present, the solar water heater technology is mature, four seasons hot water is very good. However, the solar energy absorbs a lot of heat every day, and there is a serious excess of heat in summer. The ambient temperature in spring, autumn and winter is relatively low. Few people use water heaters to take a bath. It is a pity that a lot of money should be spent for a long time. New generation of solar water heaters, do not change