Low-e refers to a window’s ability to let in heat from the sun while keeping your home warm. These windows are encased in a wooden frame and offer the lowest level of energy transfer with a value of. Quadruple glass with (low-e) with krypton. One of the best options for windows is quadruple panes with krypton. These windows have a U-value of 1.07, compared to 1.30 for aluminum windows without a thermal break.ĭouble glass window (low-e) with argon. The best option for double paned glass with argon is to encase the windows in a wood frame. Single glass windows. Aluminum framed single glass windows with thermal break offers the lowest U-value for single glass windows, making them more efficient than the option to get them without the thermal break. The following are some examples of windows and their associated U-values.
There are many types of windows, and each type has an associated R-value that is important to your decision to purchase your replacement windows.
ANDERSON WINDOWS R VALUE HOW TO
How to Choose Windows Based on R-Values and U-ValuesĪfter understanding that R-values and U-values are the inverses of each other, it’s important to understand what windows support your strategy for energy efficiency. Windows with a lower U-value are better at keeping your home comfortable and saving you money on utility costs. U-Values refers to the amount of heat your windows allow through to the inside of your home. Homeowners should consider installing windows with higher R-values because these windows have the ability to resist conduction. In your home, your ceiling, walls, basements, insulation, and windows all have R-values. R-values refer to the amount of thermal energy resistance within the construction industry.
Home windows are rated based on R-values. One easy way to streamline the process of choosing home replacement windows is by assessing R-values and U-values. Unfortunately, choosing what windows to replace your existing windows with can be a bit of a challenge because there are so many options, and you may have very little knowledge of windows.Īt Window World, we know windows, and we take pride in helping customers determine the best option for their windows. Dated windows can compromise the security of your home so it’s natural to replace windows that aren’t functioning as they should.
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