This article describes the in detail comparison of Double Pane Windows vs. Triple Pane Windows. I have written introductory articles about Double Pane Windows and Triple Pane Windows. Now we will considers them side by side, comparing them so we know which one is better!
If you're buying new windows, you may wonder if you need to consider
triple-pane glass. In most cases, double-pane windows will be your best
option, but triple-pane occasionally makes more sense.
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| Windows - Your World View |
How to Identify Triple Pane vs. Double Pane Windows?
Sometimes one gets confused how to identify Triple Pane windows from Double Pane windows. Double-pane and triple-pane refer to the number of glass sheets in a
single window opening, either two or three. In either case, there's air
or a gas locked between the panes, adding insulation.
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| Single Pane - Double Pane - Triple Pane Windows |
Triple Pane Windows
The major benefit of triple- over double-pane glass is greater insulation. There's also less sound transfer. A triple-pane window has interior, middle and exterior layers of glass;
surrounding the middle pane are inert gases.
The third pane of glass,
plus the two air spaces between the three-glass layers, provide extra
insulation. As energy costs have increased over the years, triple-pane
windows have become increasingly popular among homeowners looking for
ways to reduce their energy bills.
Drawbacks
Triple-pane windows cost about 25 percent more than comparable
double-pane windows. They're also heavier and more awkward to use.
Double Pane Windows
Double pane windows became common in residential use during the 1950s
when they were placed mostly in picture windows. But because double
panes were found to be a good source of additional insulation, more and
more homeowners began using them in all windows.
Double-pane windows
consist of two panes of glass with an air space between them usually
measuring a half inch or less. Some double-pane windows include
ventilation holes that enable movement between outside air and the air
contained in the space between the glass panes.
Advantages and Insulation Ratings
Both double- and triple-pane windows offer more insulation
than single-pane windows, as measured by R value. An R value pertains to
an insulation's resistance to heat flow; the higher the R value, the
better the insulation. Generally, a double-pane window with low e-glass
(the most commonly used glass fiber in fiberglass) carries an R value of
3.5 to 4.0. Triple-pane windows that have added krypton and two coats
of low e-glass can have an R value of 9.0.
Disadvantages
Triple Pane Windows contain three panes of glass, triple-pane
windows cost more than single- or double-pane windows. In addition,
triple-pane windows are substantially heavier, making them more
difficult--and possibly more expensive--to install.
Double-pane windows are designed with a sealed double glazing that
prevents air from entering or exiting the space between the two glass
panes. If the seal becomes compromised because of age, wear or damage,
condensation could develop between the panes, limiting visibility and
diminishing the insulation value.
Considerations
Because triple-pane windows cost significantly more than
single- or double-pane windows, you need to consider whether potential
energy savings will offset the higher price tag. Triple-pane windows
might be most cost-effective in cold climates and areas that experience
winter-like weather several months out of the year.
1 comments:
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