REDUCING ENERGY COSTS
Wouldn’t you know that electricity is invisible? Maybe that’s
why it’s so hard to see why energy bills get out of control.
What causes all those kilowatt hours? How much is essential and
how much waste?
We all live in different homes in different parts of the country.
So even knowing national averages of consumption isn’t very helpful. But here’s
a breakdown of how we use energy dollars:
| Heating and cooling .............................. |
44% |
| Lighting, cooking, other appliances ..... |
33% |
| Water heating ...................................... |
14% |
| Refrigerator/freezer ............................ |
9% |
For an in-depth discussion, visit www.eere.energy.gov.
Under “search”, type: “Your
Home’s Energy Use.”
START WITH AN ENERGY AUDIT
An energy audit identifies problems that, when corrected, may
reduce your energy costs significantly over time. You’ll
learn where your house is losing heat and cooling through leaks
and poor insulation and how to conserve
hot
water. Your electric or gas utility may provide free or low-cost energy
audits or look for companies that perform audits in your area.
The technician will
use such equipment as infrared cameras and surface thermometers to find
hard-to-detect inefficiencies. Or you can perform a do-it-yourself
audit.
Air Leaks. Check for indoor leaks caused by gaps along the baseboard
and at junctions of walls and ceilings. See if air flows through electrical
outlets,
window frames, doors, fireplace dampers, and attic hatches. See if caulking
and weather stripping around doors are in good condition. Keep fireplace
dampers closed when not in use. Draft reduction may yield energy savings
of up to 30%
and make your home much more comfortable.
Insulation. When your house was built, the amount of insulation recommended
at that time was installed. Today that level might be inadequate, especially
if you have an older home. It is relatively easy to measure how many
inches of insulation exist in your attic and see whether that material
has degraded.
However, checking outside wall insulation may require a thermographic
inspection – infrared
scanning to determine air leakage.
If your basement isn’t heated, find out if there is insulation
under the living area flooring. R-25 is the recommended minimum level
of insulation
in most parts of the country. Your water heater, hot water pipes, and
furnace ducts should also be insulated.
Heating/Cooling Equipment. Have a technician inspect and clean
your equipment once a year. If the equipment is more than 15
years old, you should consider
replacing it with a more energy-efficient unit. If you have a forced
air system, make sure your filters are replaced as needed. Insulate any
ducts
or pipes
that travel through unheated spaces.
Water Heater. An electric water heater is usually a major user
of electricity. Assuming the heater is in good condition, there
are two ways you can
lower its power consumption. One is to cover the heater with an insulating
blanket
if it is exposed to cold air. The other is to lower the thermostat setting.
Experiment with a lower setting to see if the heater still delivers adequate
hot water. Here are other ways to reduce hot water use:
- Take showers instead of baths.
- If you have a dishwasher,
wash only full loads.
- Use energy saving settings when you wash
clothes.
- Turn off your water heater overnight.
MAJOR APPLIANCES
The kitchen and laundry room should be your next targets. Ovens, refrigerator/freezers,
and clothes dryers are the principal culprits. Here are no-cost ways
to control their use:
- Use a microwave in place of your oven or stove when possible.
Many foods can be cooked or heated in a microwave faster and more efficiently.
- Make sure the temperature settings in your fridge and freezer are not
too low.
These units run constantly, so they’re heavy users of electricity.
Leave breathing room in the back and on top for air to circulate.
- Get
the most use out of oven heat by preparing all-oven-cooked meals.
- Don’t leave television sets and stereos running constantly in unoccupied
rooms. You’ll not only save energy, you’ll extend the
life of the equipment.
- Make sure the filter is kept lint-free in
your clothes dryer. Better
yet, air dry clothes on a line when the weather is mild.
If you use room air conditioners, keep them turned low or off when the
rooms are empty. Open windows for fresh air and ventilation, especially
at night.
LET THERE BE LIGHT …
But not so much that you waste electricity. According to the U. S. Department
of Energy (www.eere.energy.gov), lighting accounts for about 10% of
your electric bill. You need to change two things: your habits and your
light
bulbs. Get
in the habit of turning lights off when you leave a room and won’t
return soon. Consider installing timers, photo cells, or occupancy sensors
to reduce
the time lights are on.
Study your home’s lighting needs and design patterns and accents
in place of overall fill lighting. Use task lighting for activities
like reading
or
sewing. Tensor lamps will focus the light better and cut costs. Try
lowering the wattage of incandescent bulbs. Better yet, replace incandescent
fixtures
with those that use compact fluorescent lamps or standard fluorescent
bulbs. One 40-watt fluorescent tube provides more light than three
60-watt incandescent
bulbs. Fluorescent bulbs cost more than regular bulbs, but they are
three times more energy efficient, four times brighter, and 10 times
longer
lasting, says
Brian Chow at http://freestuffpage.com.
HEATING AND COOLING
Keeping your home comfortable uses more energy – and more dollars – than
any other system in your home. Even though you may be reluctant to
replace older units with more efficient equipment, by not upgrading
you may actually
spend more in higher electric, oil, and gas consumption.
Heat Pumps. If you use electricity to heat and cool your home
in a forced-air system, consider installing an energy-efficient
heat
pump.
A heat pump
generates three times more heating than the equivalent amount of
energy it consumes.
What’s more
it does double-duty as a central air conditioning system in the
summer, cutting the amount of electricity you use by as much as
30% to 40%.
For heat pumps
with the best efficiency ratings, look for the ENERGY STAR® label.
Gas and Oil Heating Systems . If you heat your home with gas
or oil, you may save money by having your system tuned up or retrofitted
rather than
replaced.
Retrofits usually include new controls, pumps, or distribution
systems.
Gas systems have a working life of 15 to 18 years, so weigh the
cost of retrofitting
against full replacement. If you choose replacement, you’ll
have the opportunity to install equipment that delivers some of
the most
energy-efficient heating technologies available.
Programmable Thermostats. Installing a programmable thermostat
will save energy by automatically lowering the temperature while
you sleep
and
when your home
is unoccupied. The U.S. Department of Energy says you can save
as much as 10% a year on heating and cooling bills by adjusting
thermostat
settings
10% to
15% for eight hours.
For more information on lowering energy costs, visit:
www.personalmoneymgmt.com and www.cee1.org
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