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Solutions Journal
Spring 2010 (Vol. 3, No. 2)
Right-Time RetroFits
On-Site Window Retrofit Benefits
Text Size
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On-Site Window Retrofit Benefits
50% reduction in solar heat gain
Improvement of insulative center-of-glass R-value from R-2 to R-6
Increase of average winter glass temperature from 44°F to 59°F and decrease of average summer glass temperature from 95°F to 90°F
Improvement of UV blockage from current 47% to 99%
Building level benefits
$410,000 in annual energy savings
Contributes to $17.1 million in chiller plant capital cost savings
Other benefits
$127,250 of natural gas avoided by not manufacturing new glass
$39,000 in glass disposal fee savings
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