How hot is it in a 2-square-meter house a year?

the non-resident households that implement the resident price are 2.63 yuan/m3. How hot the weather is for a 2-square-meter house in a year, and the charging standards in different places are different. For example, the first gear in Beijing is 2.61 yuan/cubic meter; The second gear is 2.83 yuan/cubic meter; The third gear is 4.23 yuan/cubic meter; Non-resident households that implement the resident price are 2.63 yuan/cubic meter. Non-resident power generation gas is 2.27 yuan/m3, and heating and cooling gas is 2.45 yuan/m3 in the sixth district of the city.