Saving energy through
efficient lighting and conservation efforts doesn't mean you have to live by
candlelight (not allowed in classrooms) or do without customary
conveniences. You can improve the lighting and comfort in your classroom,
office or home and reduce energy needs without a change in lifestyle or
spending a lot of, if any, money. Try these tips at work and home and
encourage others to be an energy miser too.
Turn off lights. You've been hearing
this since you were five—but it saves more energy than most other lighting
tips. Try to get in this good habit, here's why:
A classroom with 16 light fixtures holding four 34-watt bulbs each will
consume about 30 cents of electricity per hour. If an
elementary school with 30 classrooms could turn off their classroom lights
for one hour each day during recess, lunch and prep time, collectively they
would save $9 per hour, $45 per week, $195 per month, $1755 per school year.
Districtwide, if 800 classrooms could turn off the lights for one hour per
day during recess, lunch, prep period time, collectively they would save
$240 per hour, $1200 per week, $5200 per month, $46000 per school year.
Keep them clean. Keep fixtures,
bulbs, and tubes clean and in working order. Dirt can absorb as much as 50%
of the light. Custodians and maintenance personnel do a great job keeping
the bulbs, reflectors and lens assembly clean and in good repair.
Any bulbs at work or at home that you can clean will help even more.
Don't overlight. Higher lighting
levels are needed for reading and working areas, but lighting levels can be
comfortably reduced in other areas of your home. Switch to lower wattages
whenever possible and save energy. If your lighting needs vary in a room,
try putting your lights on dimmers for more control over your energy usage.
If a room has several light switches, consider turning off some
banks of lights.
Use the right bulb. Save energy by
choosing bulbs that give the most light (or lumens) for the electricity or
watts they use. The most energy-efficient bulb or lamp produces the most
lumens per watt. Compact fluorescent bulbs use 75% less energy than typical
incandescent bulbs. Reflector bulbs provide more directional light and can
last twice as long as regular incandescent bulbs. High-pressure sodium lamps
are both very efficient and have a long life that makes them a great
One is better than two. In areas
requiring more lighting, use one higher wattage bulb instead of several with
lower wattage. Here's why: one 100-watt bulb produces more light (lumens)
than two 60-watt bulbs...and uses less power.
Lighting controls. Lighting controls
are useful for providing lighting for safety and security in addition to
reducing electrical consumption. JUSD uses timer, light- and
motion-detectors to turn outdoor and indoor lighting on and off
automatically. If you notice lights not on or off at
appropriate times, report it to your office staff.
Turn off computers, monitors, and appliances.
A computer and monitor use approximately 400watts of electricity and costs
about 6 cents per hour to run. Pretty cheap…unless it is left
running while not in use. A computer left running 24/7 uses an
additional $33 each month or about $297 each school year. A
computer lab of 30 computers could cost an additional $8910 annually if left
running 24/7 instead of turning them off each day. Does it pay
to turn off unused appliances? YES!