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In addition, good quality
LED fi xtures can be dimmed,
giving occupants additional
control over their lighting.
What are the various
manufacturer warranties for
LED fi xtures, light output and
energy savings? As in any in-
dustry, warranties vary based
on individual manufacturers.
For LED lighting, the most
widely used standard for
warranties is based on
the U.S. Department of
Energy’s Energy Star program,
which requires a minimum
three-year warranty for
rated LED products. However,
there are LED manufacturers
that offer a fi ve-year
warranty on products that
are not Energy Star rated.
team is properly licensed. on energy savings per square characteristics of its products,
How much energy sav-
Should you take before foot are applicable. A great up-front equipment costs,
ings can you expect? Energy
and after light-level and resource for potential light- and ongoing energy and
savings will vary based on
energy readings? This is ing-related tax deductions is maintenance costs.
the fi xture. Depending on the
necessary if benchmarking www.lightingtaxdeduction. Don’t forget to factor in the
application, it’s not unusual
and reporting information org/tax_deduction.html. after-sale support, as well.
••• Evaluate the quality of
the LEDs. Get a test fi xture
Quick Tips about Choosing
before you commit to an
order. See the light with your
and Installing LEDs
own eyes, and use the data
from your benchmarking
tests to compare the light
for LEDs to achieve 30 to 85
will be required. With the em-
Do Your
output and effi ciency.
percent energy savings com-
phasis on metrics to validate
Homework
Good LED lighting is nearly
pared to traditional lighting.
performance, establishing indistinguishable from
What inconvenience
baseline data on energy and It is important to select the traditional lighting.
should occupants expect
light levels allows a compari- appropriate LED lighting ••• Evaluate the perfor-
during the install? Depend-
son to justify investment. systems and vendors. A mance of the LED lighting
ing on the specifi cs of your
Can you get rebates from little research can go a long fi xture. Again, you can refer
installation, a retrofi t can be
your electric utility and/or way. Considerations should to your benchmarking data.
minimally intrusive if done
tax deductions or credits? include the following: Supplement that with the
during off-hours.
Many electric utilities are ••• Understand the fi xture manufacturer’s photometric
Can your maintenance
putting programs in place to manufacturer’s claims reports, its claims about
staff do the work or do you
encourage the use of more regarding its LEDs. The manu- color rendering and energy
need a licensed electrician?
energy-effi cient lighting. facturer selection process for usage, and Illuminating
Most municipalities require
Contact your local utility to LED lights is no different than Engineering Society fi les.
electrical work in non-
determine what is available any other major purchase. ••• Verify the manufac-
residential installations be
for your business area. You How good is the manufac- turer’s claims for light and
done by a licensed electrician.
should also consult your turer? Whose LEDs does it energy performance.
In some cases, an owner’s
corporate tax department use? Where and how does it Photometric testing is done
maintenance staff can
to determine if federal tax do business? You should also by independent labs and,
perform the work if the
credits or deductions based understand the performance when requested from the 
RETROFIT MAGAZINE // FALL 2009 59
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