Best Energy Efficient Windows

The best energy efficient windows are ones that maintain a constant temperature in a room. The first step is to seal and insulate the windows you have. Look for any cracks or gaps where air can leak.

Plain glass is inefficient because it lets in lights and generates heat. Coatings for the glass can increase the insulation quality and not reduce the visual quality.

Multiple panes also known as "double glazing" or "triple glazing". These trap air between the panes of glass. If you live in a big city, these also reduce noise from the street.

Believe it or not in some areas they offer federal tax credit to replace your windows with more energy efficient ones.

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