The regulation of air conditioning temperature in Huainan Library is that cooling in summer is not lower than 26℃ and heating in winter is not higher than 20℃. According to the national energy-saving documents and public library construction standards, it is stipulated that the air conditioning temperature of Huainan Library should not be lower than 26℃ in summer and not higher than 20℃ in winter. Huainan means Huainan. Huainan, known as Zhoulai in ancient times, is a prefecture-level city under the jurisdiction of Anhui Province, a second-class big city, an energy production base dominated by coal and electricity in East China, an important central city in northern Anhui, and an important national energy base approved by the State Council.