As you're looking for new or replacement windows for your DC, Virginia or Maryland home, you''ve probably run into some terms you're not familiar with, such as (U) and (R) values. U and R values relate to a window's insulation capabilities.
One way that insulation is created is with dead-air space between panes of glass. That's why a double-paned window gives more insulation than a single-paned one. Other factors contribute to the insulation qualities of a window, such as the gasket, the material type, and the gas used in a gas-filled window. The U/R value tells how the product insulates. It is a formula derived from the efficiency of the product, and that formula takes into account many of the factors just mentioned. A good R measurement is a high one, while a good U measurement is low since U is the reciprocal of the R. Homeowners are more interested in the R value, while builders are interested in the U value.
To learn more about different window materials and models, visit one of our three show rooms in Northern Virginia.
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