A colleague of mine has worked in the energy-efficient design field for 
the past 20 years.

A huge, major museum in the northeast (name omitted) hired an energy 
consulting firm that charged a percentage of the cost of installing more 
energy efficient systems.

My colleague was hired to double-check their proposal. She discovered 
that simply putting in motion sensor switches, changing every single 
light bulb in the non-exhibition areas to energy efficient bulbs, and 
their gallery lights to more efficient ones would save more than 
mounting expensive solar panels. The museum was embarrassed but happy. 
The energy consulting firm was livid because they could not charge as 
big a fee since museum employees could change their own lights.

The way to the most practical energy savings may vary greatly depending 
on the locale. Expensive and sophisticated may not always produce the 
most savings.

Larry List
New York, New York

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