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More about Windows
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Window Information
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Charts and Illustrations
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Buying windows for your
home is downright stressful. The variety of windows seems endless, they are
expensive, and it’s difficult to know if you are getting the best for your money.
And just when you think you have windows figured out, you have to deal with
the glass: low-E coatings, argon gas, krypton gas, single, double, or triple
panes. The list goes on.
Determining
Window Quality
When it comes to windows,
the first question most buyers ask is, "How can I tell which is the best
quality window?" Next: "Should I get wood, vinyl, aluminum, or a combination?"
There’s no easy answer because there is no central organization that ranks window
manufacturers or rates window construction quality. But there are several different
organizations that rate key parts of windows, such as glass quality and energy
conservation. Any of the following labels on windows indicates they meet certain
quality and energy efficiency standards.
Energy Star: This rating
is jointly determined by the Department of Energy and the Environmental Protection
Agency to confirm that windows, skylights, and doors meet certain energy performance
criteria. National Fenestration
Rating Council (NFRC): This organization of window manufacturers works with
the Department of Energy to rate overall window performance, including U-factors,
solar heat gain coefficient, visible transmittance, and air leakage. Efficient Windows Collaborative
(EWC): Its members agree to meet NFRC standards.
Considering that the Department
of Energy estimates that the average house spends 40 percent of its annual energy
costs on heating and cooling, efficient windows can make a difference in your
budget. When searching for windows that will meet your needs, here are some
things to look for:
Appearance: Is the window’s
style, size, and shape pleasing to your eye? Will it fit with your home style
and décor? Do you want to be able to paint the interior part of the
frame to match your home’s décor? Will you find the color of the exterior
cladding, if any, acceptable? Function: Will the type
of window you want be appropriate for its location? For instance, a casement
window that opens onto a walkway right beside the house could be dangerous.
A double-hung window over the kitchen sink is often difficult to reach and
operate. Energy performance:
Look for the window’s basic energy properties, including U-factor and solar
heat gain coefficient. Do you need double-pane windows? Even in a moderate
climate, you may want double panes to reduce intrusive neighborhood noises. Price: Have you compared
the prices on several different windows of similar style and materials? When
buying windows, ask about availability, delivery date, and installation costs.
Ask what annual maintenance may be required, such as exterior painting. Durability: What warranties
does the manufacturer offer? Does the warranty include coming to your house
to make the repairs? (See Windows and Warranties.)
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