What is the focus of property engineering in each season?

The problem is too big and more complicated than writing a paper;

There are great differences in property management between the south and the north;

Waterproofing, window maintenance and daily service in the north are relatively heavy;

The timeliness of daily service/greening maintenance/cleaning service/engineering maintenance in South China needs to be emphasized.

The basic difference between the four seasons in the south is not very big, but the difference in Xia Dong in the north is very obvious. Waterproofing and engineering maintenance in summer need to be handled in time, otherwise it can't be handled at all in winter, and the maintenance of window air leakage and heating in winter is more serious. ...