The solar energy currently produced is almost the same. The brand is just a little more expensive. . There is no problem with off-brand ones. Of course, if you're worried, buy branded products. After all, the brand is out. Generally, solar water temperature can reach around 70 degrees in winter. . Some solar panels are not insulated. It's just that the foaming between the interior covering and the exterior wall is not done well. The insulating effect is therefore not good. If moss is good solar energy. Hot water can ensure that the water temperature remains unchanged for two or three days on cloudy days.
What is the general water temperature of solar water heaters in Qingdao in winter?
Introduction The general water temperature of solar water heaters in Qingdao in winter is similar to that of current solar water heaters. The brand is just a little more expensive. . There is no problem with off-brand ones. Of course, if you are worried, buy it