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Window 101: The Energy-Efficient Qualities of Modern Windows

Last updated 4 years ago

One of the main reasons that homeowners decide to replace their windows is to increase the energy efficiency of their home. Older windows, especially those installed several decades ago on older homes, allow cooled air to escape in the summer and heated air to escape in the winter, which increases your energy use and drives up utility bills. Today’s energy-efficient replacement windows are equipped with:

Glass That Resists Solar Heat Transfer
In the summertime when the sun shines on your windows, the glass will heat up. The longer the glass is exposed to the sun, the more heat will enter your home. The glazing on modern windows is designed to resist solar heat but still let’s light into your home. Double-pane design also keeps your climate-controlled air inside your home.

Frames with Low Thermal Conductivity
In the past, window frames were made of materials with high thermal conductivity that heated up just as quickly as the glass. Modern replacement window frames can be made from fiberglass, vinyl and other materials that do not heat up easily, so your home won’t be affected by outdoor temperature extremes. Ratings by organizations such as EnergyStar and the National Fenestration Rating Council will tell you how much heat a window assembly will let into or out of your home.

Design That Minimizes Drafts
The older your windows are, the more likely they are to let drafts into your home. When the temperature outside is very different from the temperature you want to maintain inside, drafts work against your heating and air conditioning and increase your energy consumption. Energy-efficient window assemblies are designed to be as airtight as possible so that your home remains at the temperature you set on your thermostat.

If you want to install energy-efficient replacement windows on your Southern California home, call Progressive Windows & Insulation at (818) 709-0988 and find out why homeowners in Woodland Hills and Thousand Oaks trust us for professional window installation. We carry many brands of new windows, including Amerimax, Marvin Infinity, Simonton, Amsco, and more.

 

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