Monday, August 27, 2012
All of us want to save
energy. Not only is it good for the
environment, it is good for our wallet.
One of the ways many have chosen to reduce electrical consumption is to
use high efficiency lighting in their homes and businesses. Making the right choice on which light bulb
to buy is complicated and, if you make the wrong choice, expensive.
Walking into Home
Depot or Lowes in search of a replacement light bulb can be intimidating. There are standard incandescent and
fluorescent tubes, CFLs, halogen and most recently LEDs. Each package is emblazoned with claims of
tremendous efficiency, brightness, long life and warm colors. Which bulb is really the most efficient and
which one will really save money? As most often is the case, there is no easy
answer. The best choice must be based on
how the light bulb will be used.
When Compact
Fluorescent Lamps or CFLs first came out many people rushed out and bought them
since they are very efficient. A CFL rated
at 7 watts could provide the light output of a standard 60 watt incandescent
bulb. Soon, however, some of the less
than desirable qualities of this technology became apparent. Early CFLs provided very harsh white light
and were not able to be dimmed. While
these issues have been addressed, some CFL applications result in very short
bulb life.
Using a CFL in a
bathroom or other location where the light is turned on and off often will
result in very short bulb life and any money saved will pale in comparison to
replacing the lamp. Since the light in a
bathroom is used intermittently, a regular incandescent light may well be the
best choice.
For sure the new line
of LED lighting provides the most promising of the new technologies. LEDs can provide various color, be dimmed,
operate giving off little heat and use minimal energy. The lamps last for years.
Right now the prices
are still very high but are coming down.
You can expect to pay about $20 for a 12 watt LED bulb that will replace
the standard 60 watt incandescent in your living room lamp. While this may sound like a lot to pay for a
single light bulb, over the 20+ years of service you can expect from a single
LED bulb it will use a fraction of the energy of traditional lighting.
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