"24 Solar terms" is the product of ancient farming civilization. People discovered the change of the four seasons in nature, and gradually realized that the change of climate and phenology in a year also has rules to follow.
"Summer Solstice" is the beginning of high summer. It's not the hottest day of the year yet, but it's not far off. From "summer solstice", after three "geng Day", it will enter the hottest dog days of the year, the so-called "summer solstice three geng number head fu".
The weather after the summer solstice is characterized by high temperature, high humidity and occasional thundershowers.
Many people have already turned on the air conditioning, our heat exchanger also has the refrigeration function, and has an important position in all kinds of refrigeration systems.
