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