Actually, Casement windows DO open. Casement windows are really any window that is hinged. Some Casement windows are designed to open to the outside while others are designed to open inwards. Jim
Yes, it is not efficient to have the air conditioning on while the windows are open because it can waste energy and increase electricity costs.
Having windows open while the air conditioner is on can reduce the efficiency of the AC system and increase energy consumption, which may not be ideal.
Some people prefer to have the windows open and the AC on, while others prefer to keep the windows closed and rely solely on the AC for cooling.
Fumes from the chemicals can not escape the room if the windows and doors are shut, and are at times toxic.
When all of your windows are open
If you have multiple windows open, yes.
Igor beckoned me toward the open laboratory door.
You can deactivate the window sensors while the windows are open.
Most windows are fitted with a latch that props them in the open position.
Keep Passing the Open Windows was created in 1984.
You click on it