But as far as I know, technologically advanced solar energy can produce hot water in winter, and some can reach 60 or 70 degrees.
It is completely useless for bathing and others. The problem is that. , when I bought it, it was not used all the time in winter. However, based on my experience, I can give you a tip for using it in winter. If the temperature is below freezing or relatively cold, you can open the hot water tap of the solar water heater
and do so. it drips slowly and keeps the solar water flowing smoothly, which can prevent the pipeline from freezing and blocking.