|By: Charlotte Barnard
Published: August 28, 2009
Lighting eats up as much as 20% of your annual electric bill, but using energy-efficient bulbs and making other simple changes can cut
lighting costs dramatically.
Lighting is one of the biggest energy gobblers in your house, eating up between 10% and 20% of your total electric bill. But it's also one
area of the home where a minimal effort can yield major returns. Simply replacing standard incandescent light bulbs with compact
fluorescents can lower operating costs by as much as 75% per bulb. And in places where you can't-or don't want to-switch to CFLs, you
can use higher-efficiency incandescents and even make your existing conventional lighting cheaper to operate. When new federal
legislation takes effect in 2012, all light bulbs will have to meet tougher energy-efficiency standards. But with a few small changes, you
can start saving money right now.
FOR THE GREATEST SAVINGS, SWITCH TO COMPACT FLUORESCENTS
CFLs remain the go-to choice for energy efficiency. They last longer and consume less electricity than a standard incandescent. A 13-watt
CFL, for example, gives off the same amount of light as a 60-watt incandescent and burns for 10,000 hours, compared with 1,000 hours
for the conventional bulb. A typical CFL saves about $30 in operating costs over its lifetime.
Early CFLs didn't always deliver on light quality or convenience, but aesthetic performance has improved vastly in recent years. They now
come in warm, neutral, and cool "colors," and major manufacturers like GE have started enclosing the telltale spiral in a conventional
bulb shape so it's less obtrusive.
You get the biggest bang for your buck with CFLs in places where you would otherwise use incandescent bulbs: floor and table lamps
and standard overhead fixtures. They last longer when they're not flipped on and off constantly, so they're especially good in rooms that
see a lot of activity throughout the day, such as a kitchen or a playroom. A couple of caveats: CFLs can be glary, so they're not the best
choice in downward-pointing fixtures like chandeliers, and most don't work with dimmers or timers. Because the bulbs contain mercury,
they can't be thrown out in the regular trash. If you bought them at a home center, you should be able to return them there for recycling, or
log on to recycleabulb.com(http://www.recycleabulb.com) to find a disposal center near you.
Cost and savings: Expect to pay $2 to $15 for a CFL, versus 50 cents to $1 for a comparable incandescent, but the CFL will last at least
10 times longer and cost up to 75% less to operate.
MAKE YOUR EXISTING INCANDESCENTS LESS EXPENSIVE TO RUN
By simply lowering the wattage of an incandescent bulb by 15 watts-from 75 to 60, for example-you can knock 15% off the operating cost.
And you may not even notice the difference in brightness. "A small reduction in wattage isn't discernible to the eye," says Brett Sawyer, a
consultant who blogs about sustainable home design. If the light is on a dimmer, for every 10% you lower the brightness, you'll double
the bulb's life. Try this next weekend, Sawyer says: Replace your most-used bulbs with ones at least 10 watts lower. If you don't notice the
difference, then replace all the incandescents you can with lower-wattage bulbs. Combine that with CFLs in selected fixtures, and you'll
achieve a "light layering" effect that saves money without compromising light quality, and without a hefty upfront investment.
Cost and savings: For every 15-watt reduction, you reduce energy use by 15%. And a $10 dimmer, once installed, costs nothing to use.
KEEP AN EYE ON NEW BULB TECHNOLOGIES
Spurred on by new energy requirements set to go into effect in 2012, bulb manufacturers are working feverishly to come up with more
efficient versions of the standard incandescent. Presently, companies including GE, Sylvania, and Philips offer high-efficiency
incandescent and halogen bulbs that use less energy than standard incandescents while delivering the same light quality. And research
is proceeding apace on how to bring the dramatic energy efficiency of LED technology to residential products. These lights, which require
very little current and last even longer than CFLs, are prohibitively expensive for home use (except in certain applications like
under-cabinet strip lighting), but that's likely to change in the coming years.
THINK BEYOND THE BULB TO SAVE ON LIGHTING COSTS
Changing bulbs is one way to reduce your lighting bill, but it's not the only way.
Motion sensors: Great in rooms where the occupants can't be counted on to turn off the light, such as a kids' playroom. Devices cost $15
to $50 and take about an hour to install.
Door-jamb switches: Best in a pantry or closet; opening the door activates the light. As much a convenience as it is an energy saver-as
long as you remember to close the door. Devices starts at about $15.
Windows: You'd be surprised at how much a simple window cleaning can instantly improve natural light.
Energy Star fixtures: Designed for CFL and LED lights, these can save up to $70 a year in energy costs. Go to
energystar.gov(http://www.energystar.gov/index.cfm?c=fixtures.pr_light_fixtures) to find links to manufacturers.
Lifestyle expert Charlotte Barnard specializes in home improvement and decorating topics and also consults on consumer and
residential trends for magazines, web sites, and retail ventures.
Reprinted from HouseLogic (houselogic.com) with permission of the NATIONAL ASSOCIATION OF REALTORS (R).
Copyright 2010. All rights reserved.
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