Windows are An important stage of warmth Trade in residences. Through colder months, heat from inside of can escape in the Home windows, even though in warmer months, outside the house warmth can penetrate indoors.- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -