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Testimonial

“B.F. Rich is one of our few “Preferred” suppliers that we use from soup to nuts. It does not matter if it is a job for a private residence, or a major commercial project, B.F. Rich is our best supplier. They have proven time and time again that they have a commitment of excellence in their products and to their customers. Their knowledgeable staff of sales, customer service, marketing and manufacturing makes them a winning team.”
A. P. Treese
Cappy’s Windows
Allentown, PA
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B.F. Rich Windows & Doors
"Quality First... Service Second to None"
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Independently Tested and
Certified Energy Performance
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The energy performance of all ENERGY STAR qualified windows, doors, and skylights must be independently tested and certified according to test procedures established by the National Fenestration Rating Council (NFRC).
NFRC is a third party, non-profit organization that sponsors certified rating and labeling programs to help consumers compare the energy and performance features of windows, doors, and skylights.
NFRC's programs do not distinguish between "good" and "bad" windows, set minimum performance standards, or mandate performance levels. This is where ENERGY STAR comes in. ENERGY STAR enables consumers to easily identify NFRC-certified products with superior energy performance.
Performance Ratings
The NFRC label, which can be found on all ENERGY STAR qualified windows, provides performance ratings in a number of categories:

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U-Factor measures the rate of heat transfer and tells you how well the window insulates. The lower the U-Factor, the better the window insulates. U-Factor values generally range from 0.25 to 1.25. Find the ENERGY STAR U-Factor for your region.
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Solar Heat Gain Coefficient (SHGC) measures the fraction of solar energy admitted and tells you how well the product blocks heat caused by sunlight. The lower the SHGC, the less solar heat the window transmits. SHGC is measured on a scale of 0 to 1; values typically range from 0.25 to 0.80. Find the ENERGY STAR SHGC for your region.
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Visible Transmittance (VT) measures the amount of light the window lets through. The higher the VT, the more light you see. VT is measured on a scale of 0 to 1; values generally range from 0.20 to 0.80.
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Air Leakage (AL) measures the rate at which air passes through cracks in the window. AL is measured in cubic feet of air passing through one square foot of window area per minute. The lower the AL value, the less air leakage. Most industry standards and building codes require an AL of 0.3 cfm/ft2.
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Condensation Resistance measures how well the window resists water build-up. The higher the condensation resistance factor, the less build-up the window allows. Condensation Resistance is scored on a scale from 0 to 100. The Condensation Resistance rating is useful when comparing different products.
ENERGY STAR qualification is based on U-Factor and SHGC ratings only.
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For More Information
To learn more about energy efficient windows, visit the Efficient Windows Collaborative 
B.F. Rich is a Member of Efficient Windows Collaborative
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