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Save on Utility Bills with Energy Efficient Windows
by Gabby Hyman
Homeowners can protect their investments and save on their heating and air conditioning costs by installing energy efficient windows. Today's double pane, Energy Star windows can cut annual utility costs upwards of $450 over traditional single-paned glass. Replacement sets are available to fit a wide range of homeowner budgets.
Energy savings from replacing window sets with double pane, Energy Star windows are particularly high in states with severe hot and cold climates. For example, in Flagstaff's sizzling summer and cold winter climates, homeowners save as much as $665 a year. In hot, humid Atlanta, homeowners save upwards of $465 a year.
A wide selection of energy efficient coatings and window energy ratings mean home owners have green options. Low u-factor windows provide up to 40 percent greater energy efficiency over traditional glass. And high-performance windows also help repel water and mold intrusion into the home as well as block out unwanted exterior noise.
Understanding Energy Efficient Window Ratings
Two rating values refer to the efficiency of replacement double pane windows. The U value ranks the window in terms of overall energy efficiency in layers, weather stripping, sealants, and air between the panes. Remember, the lower the U value, the greater the efficiency of the window. The R value rates the window for heat loss: the higher the rating, the better the window ranks in terms of energy efficiency.
The coating on the window is also rated. Low-E coatings help the window let sunlight into your home while at the same time reflecting heat. Energy efficient coatings are especially valuable in hot summer climates where they can repel up to 70 percent of outdoor heat. Homeowners can also chose among a range of tints on energy efficient windows that can absorb heat without transferring it into the home.
Double pane, Energy Star windows can be fitted with heat-mirror film. The film characteristics vary by climate type. In cold weather, the film helps insulate the home and keeps heating costs down. Hot-weather film reflects heat in scorching summer temperatures.
Source:
Energy Star
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