Energy Efficient Window Treatments

Here is a very informative article from Energy.gov regarding Energy Efficient Window Treatments.

Keep the cold out with window coverings

Cost effective Energy-Efficient Window Treatments

SHADES: When properly installed, window shades can be one of the simplest and most effective window treatments for saving energy.

Shades should be mounted as close to the glass as possible with the sides of the shade held close to the wall to establish a sealed air space. You should lower shades on sunlit windows in the summer. Shades on the south side of a house should be raised in the winter during the day, then lowered during the night.

For greater efficiency, use dual shades—highly reflective (white) on one side and heat absorbing (dark) on the other side—that can be reversed with the seasons. The reflective surface should always face the warmest side—outward during the cooling season and inward during the heating season, and they need to be drawn all day to be effective.

Quilted roller shades and some types of Roman shades feature several layers of fiber batting and sealed edges. These shades act as both insulation and air barrier, and control air infiltration more effectively than other soft window treatments.

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