Solar
window coverings and shades
Energy saving window
treatments and coverings
Solar window coverings are worth considering,
especially if you live in a warm climate region with prolonged
summers. These energy saving window treatments are generally
more effective at lowering home cooling cost than thermal or insulating
window coverings.
The most effective approach to reducing solar heat
gain is to prevent it before it contacts the window
glass. So it should come as no surprise that exterior solar
window coverings are more effective than interior window
treatments.
Some interior energy saving window coverings are
quite effective at both reducing solar heat gain and heat loss.
Outdoor window shades
Solar window
blinds or shades are usually made up of solid screen or mesh like
fabric, often this fabric is either polyester or vinyl and sometimes a
combination of the two.
These solar window coverings if applied on the
exterior can absorb and reflect from 85% to 95% of the suns natural
heat.
Exterior solar window blinds and shades can be
purchased as solid units or by the square foot. Roller sun shades are
usually sold by the square foot.
These outdoor window shades are fitted just off
the exterior window pane, leaving a small air space between the glass
and the shade. Roller exterior sun shades provide homeowners the option
of rolling them up at night for either full ventilation or for a full
view.
The best windows to install them on are south,
east and west facing windows. Or any large window, patio door or a
skylight that is exposed to 3 or more hours a day of directs sunlight.
Outdoor window
shades are durable
Exterior sun shades are very durable and
relatively inexpensive, ranging from $2 to $4 a square foot. PVC
coatings are applied on the synthetic fabric to protect against wear
and tear as well as color fading.
PVC coatings are long lasting; in fact similar
weatherized coatings are placed on other durable products ranging from
rain coats to auto mechanic gloves.
Maintains window view
These exterior window coverings are more
transparent than most interior window shades. The synthetic mesh like
fabric softly filters sunlight. Product descriptions for outdoor solar
window blinds use terms like openness
or openness factor.
The openness factor is the percentage of visible
sunlight that is transmitted. The higher the openness factor the
clearer the outward view will be when the solar window shade is closed.
Protects home
furnishings
Depending on the particular product, solar sun screens can also block
from 75% to 95% of harmful ultra violet light. UV light causes
household fabrics to prematurely fade and costly wood furnishings to
bleach.
Easy to maintain
Outdoor window shades are easy to clean. Any water
and soap based cleaner will normally do. Many models available today
are also fire resistant.
However it's important to note that since exterior
window shades are exposed to the outdoor elements, these energy saving
window treatments will require some greater maintenance commitment from
energy savings minded homeowners.
Other outdoor solar window coverings
Awning
window treatment reduces home cooling costs by providing much
needed external shade from the sun, not to mention window awnings can
add much to a homes decorative appeal.
External
window shutters and inside window shutters if installed and sealed tightly can reduce
more solar heat gain than many other energy saving window coverings and treatments.
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