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Energy Savings from New Windows

As the temperatures rise and start remaining warm, you’re probably thinking of ways to save money and stay comfortable at home. One way to do this is to replace your windows.

Double-Hung Windows

High-quality, energy-efficient windows help seal in heat and cool air, due to newer technologies like Low-E glass. But how much can new windows really save you? Are they worth it? Keep reading to learn more about the savings you can see from window replacement!


How Much Can You Save by Replacing Windows?

You’re definitely not the only one asking “How much can I save with new windows?” Many homeowners are curious about this. The payback period can range but is frequently in the 1 – 3 year range. The more detailed answer is “it depends.” The amount of money you can save by replacing your windows depends on the energy efficiency of the new ones. The two most important factors to consider are the:

  • U-Factor, which measures the rate of heat transfer and tells you how well the window insulates. U-factor values generally range from 0.25 to 1.25—the lower the U-factor, the better the window’s insulating ability.
  • Solar Heat Gain Coefficient (SHGC), which measures the fraction of solar energy transmitted and tells you how well the product blocks heat caused by sunlight. SHGC is measured on a scale of 0 to 1—the lower the SHGC, the less solar heat the window transmits.

This information helps contribute to the National Fenestration Rating Council (NRFC) rating, and you can find it on a window’s NFRC label.


Other factors that affect a window’s energy efficiency include:

  • Material: Certain materials have higher thermal efficiency than others. Vinyl windows (which we offer) are very energy-efficient
  • Style: The style of the window can influence its energy efficiency. Due to the tight seal created between the sash and the frame, casement and awning windows tend to be some of the most energy-efficient types of windows. Picture (fixed-pane) windows, which don’t open, are also energy-efficient.
  • Panes: Two panes of glass are better insulators and can also help with impact resistance and sound control. Many windows also have gas (usually either argon or krypton) between the panes, which increases their ability to stop heat transfer.
  • And more

Keep in mind that it also helps to choose ENERGY STAR® qualified products (learn more about savings you can gain by installing ENERGY STAR qualified windows).

Window Replacement Services in the Indianapolis Area

Do you need to replace your old, drafty windows? If you live in central Indiana, make Overhead Door Co. of Indianapolis & Muncie your first and last call! We install ENERGY STAR qualified vinyl replacement windows that can help complement your home and improve its energy efficiency.

Get in touch with our experts today!

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