by drying the hot and humid air, a pleasant climate can be created even when the difference in temperature is only slight - excessive differences in temperature between "inside" and "outside" are unpleasant and can even lead to colds.

This is all lower case. Can you fix that?
By drying the hot and humid air, a pleasant climate can be created even when the difference in temperature is only slight - excessive differences in temperature between "inside" and "outside" are unpleasant and can even lead to colds.