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GSA's Green Proving Ground program commissioned Oak Ridge National Laboratory to measure the results over three warm-season months. In the findings published in December 2015, 83% of occupants reported more satisfaction with their thermal environment. Hot and cold calls to maintenance fell by 59%. The average cooling setpoint rose from 75°F to 77°F. For that 2° shift, modeling of large offices predicted savings of 11% for cooling and 37% for heating. The higher figures of 20% and 47% assume a 4° shift from a narrower starting range. Energy savings alone were not expected to cover the subscription cost. 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