Number of panes
Multiple panes of glass with air or gas in between them do a much better job insulating your home than just one pane. They also help with noise cancelling.
*Product availability varies upon region.
Energy Star®
ENERGY STAR certified windows meet all the strict energy efficiency guidelines set by the Environmental Protection Agency. There are different certification requirements for different climate zones.
Find out which zone you're in.*Product availability varies upon region.
Gas fills & glass coating
Some windows have gases between the panes that are better at insulating than regular air.
You can also opt for low-e glass, which means it’s been treated to keep heat inside during winter and outside during summer.
*Product availability varies upon region.
Screens
Screens are great at keeping bugs out and keeping harsh heat and sunlight at bay. Your screen can cover half or all of your window—some even retract.
*Product availability varies upon region.