Finding Sustainability with Energy-Efficient Retractable Awnings

Cutting back on energy use is an admirable goal, butwhere most of the windows face, the region, and local
it's difficult to not use air conditioning in humid summerenergy costs. Sunnier homes - with western-facing
heat or to keep blinds drawn (blocking your view) - onwindows or in long sunny seasons - showed a marked
sunny spring days and all for a very minimal affect onimprovement, though every home cut cooling energy
actual energy costs.use:
Going green is an important consideration for• Sacramento and Seattle by over 60%
homeowners (according to the Professional Awning• Minneapolis and Boston around 33%
Manufacturers Association, that's important to 75% of• Washington, DC and Houston around 15%
homeowners) - but there are so many otherThe actual dollar amount that translates to can equal
maintenance demands on home budgets that goingeven more than the percentage sounds; for example,
green needs to be a little bit easier. That's thePhoenix homes cut air conditioning use by 25% by
advantage of retractable awnings; they're an easy firstusing awnings but realized savings totaling almost
step towards efficiency:$250.
• Lower the need for air conditioning, so youOne significant finding in the PAMA study: the benefits
can lower usage without discomfortof using an awning are only in the summer. Year-round
• Don't require a hefty financial investment,awnings increase heating expenses, and that can
remodeling time, or difficultyactually raise annual bills. For example, houses in
• Are an attractive enhancement to a homeAtlanta with east-facing windows saved a moderate
• Have simple installation, low maintenance,$50 per summer on electric bills - but lost $7 over the
and long lifetimeentire year. In Boston, the decline in cooling energy
The largest expense in a home or business isusage had a minor affect on air conditioning expenses
controlling the temperature, so basic energy($1), but cost $65 because of increased heating
sustainability projects begin with maintaining home orexpenses.
business temperatures efficiently. Almost half of theThat's why true energy efficiency comes through
heat that builds up in a home or business comes frominstalling a retractable awning.
sunlight. You may think that using blinds and shades toWhile air conditioning expenses are a significant
block a lot of sunlight is enough to block the heatamount of electricity usage, heating expenses account
energy, but according to Louisiana-based Claibornefor almost half of all energy used in a home. Any
Electric Cooperative, blinds only block the light from theefficiency solution that improves air conditioning.
sun. Once the energy reaches the window, the heatRetractable awnings do that: they can remain
enters the room regardless of light, so the blinds don'textended throughout the entire summer season, for
lower real air conditioning use.the maximum reduction in air conditioning expenses. As
Retractable awnings actually block solar energy fromfall and winter set in, they can be retracted, so solar
reaching the window, so it never enters the house.heat enters and naturally warms the house, keeping
That's a much more effective way of controlling airheating expenses down. By staying open permanently,
conditioning use; in fact, retractable awnings can cutfixed awnings cut sunlight in winter months, significantly
the heat buildup in a room between 65% and 77%,increase heating costs, and cancel out any summer
according to the US Department of Energy.utility bill savings.
So what effect does cutting down the solar heat in aIn the Northeast, where energy prices are a big
room have on energy bills? In broad terms, it cuts airconcern, the New Hampshire utilities system
conditioning use around 25% and saves $100 onrecommends integrating retractable awnings with your
annual electric bills. The Professional Awninglandscaping to increase energy efficiency. Other
Manufacturers Association (PAMA) commissioned afeatures - easy care, easy use, long lifetime (over 25
study covering twelve major cities across the Unitedyears, instead of about 5 years), and diverse solution
States, factoring in the window orientation (west, south,dyed acrylic fabric selections - make retractable
east, or equal), whether the awning was installedawnings an appealing energy efficiency option. The
year-round or only in Summer, the type of glassreason for retractable awnings increasing popularity in
(normal or solar-reflective), and how long the SummerAmerica - and their immense popularity in Europe - is
seasons are.because they provide a simple, relatively inexpensive,
The effect of awnings varies widely depending onand attractive method to control energy use.