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 Energy
Efficiency Is The Goal Of Replacement
Windows
With the high cost of utility bills
these days, and the environmentalists
lobbying for ways to save energy, the
replacement window industry has stepped
up to the plate and produced many ways
to please everybody involved.
Energy-efficient windows are becoming
the norm today and the methods of
accomplishing this are quite
interesting.
If you stand by your window, it’s easy
to understand why changes are being
sought. In the summer, it’s hot; in the
winter, it’s cold. So there’s a drive to
build a wall between you and the
outdoors – a wall you can still see
through. And that’s what technology has
created. They’ve found a way to keep
your house comfortable, no matter what
the season or climate.
You want your home to be warm in the
winter and cool in the summer. If your
windows are there just to allow you to
see outside, then they’re doing their
job. But if you want them to be
instrumental in keeping your house at a
constant comfortable temperature, then
you need more. You need the new
technology of replacement windows.
One of the first methods of insulating
your windows was to double them – that
is, put two panes of glass in the window
frame, with an airspace between the two.
The idea behind this is that the air
between the panes will keep the outside
window at the outside temperature, and
the inside window at the inside
temperature, and “ne’er the twain shall
meet”. This worked fine, but not as well
as people wanted.
The next innovation was to cover the
window with a clear coating that would
improve heat loss without decreasing
light. That improvement came in the form
of low-emissivity (Low-E) glass. It
improved heat loss by 40%-70%. But
people wanted still more.
So heat-absorbing glass was developed.
This glass absorbs up to 45% of
sunlight, keeping indoors cooler.
However, some heat was still getting
through. So on to the next development –
reflective glass. Reflective glass is
coated with a film that reflects
sunlight instead of absorbing it. So now
the heat stays out, or in, depending on
what time of year it is, and on what you
need to make you comfortable.
Contact A Window
Specialist Today!
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