How much does Tiantai Chengmei Cube charge for constant temperature and humidity?

Taichengmei Cube has a constant temperature and humidity of 30.4 yuan/flat (indoor construction area). As the first green residence in Qingdao that does not need air conditioning for heating, Tiantai Chengmei Cube has a constant temperature, constant oxygen and constant humidity for 365 days, and the operating cost of the system has been reduced from 39.8 yuan/square (building area) to 30.4 yuan/square (indoor building area), which is equivalent to a quarter of the heating cost of ordinary residence, but at the same cost, it can enjoy a spring-like life all year round.