Recently, tests were conducted on the effectiveness of a Combination Lighting
Retrofit for 2' x 4' recessed fluorescent light fixtures. The original fixtures, which had
T12 fluorescent lamps and standard ballasts, were re-built with an engineered
combination of T8 lamps, electronic ballasts, and reflector inserts.

The results were impressive!

  66% energy consumption  reduction  
•   66% energy demand  reduction
•   95% of the light retained

While the economics will vary with the installation, in office applications this measure
can be expected to yield about a 1.0 - to - 2.5 year payback.

Contact Jim McNally for more information.
Lighting Retrofit
                     
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Lighting Retrofit
Lens open - showing Reflector Lens Closed. Notice uniform light distribution.
Bracket installation
Lens open
Lens closed
It is possible to significantly reduce the power needed for office lighting. A Combination Lighting
Retrofit is available from McNally Engineers for 2' x 4' recessed fluorescent light fixtures. For
fixtures which have T12 fluorescent lamps and standard ballasts, they may rebuilt with an
engineered combination of high output T8 lamps, electronic ballasts, and highly efficient 95%
specular reflector inserts.

The results are impressive!

•   66% energy consumption  reduction  
•   66% energy demand  
reduction
•   100% of the light is retained !!!

While the economics will vary with the installation, in office applications this measure can be
expected to yield a 1/2 to 1-1/2 year payback depending on hours of use per year.

For more information, contact
Jim McNally directly or provide your name and email address below..
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Lighting Retrofit at Gabriel Environmental Services
Lighting Retrofit at The Phoenix Company
Lighting Retrofit at Indian Hill Bible Church
Installation team. Completed project.
McNally Engineers, Ltd.
energy services / engineering