Several simple benefits come to potential buyers of the Inverted Upper Open.First of all, it allows abundant air and cooling breezes to enter the room--particularly beneficial in warm weather.Secondly, the double casement window saves a lot on heating and cooling costs. With its tightly sealed doors and windows insulated properties you can close off the worst winter gales or simply bask in a comfortable atmosphere all year round.Thirdly, with a wide vision and opening dis seen, the double hinged window has the potential to enhance overall visual aesthetics.Finally, its simple operation is easy for all ages to use; and because of the robust design it is durable therefore bringing long-term benefits at value.