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EcoFactor uses information received from your thermostat when it is
connected to the Internet to determine the runtime of your heating or cooling
system(s). However, at times, your thermostat may not be connected to the
Internet. As a result, EcoFactor's data analytics engine generates two numbers:
(1) the actual runtime of your system when your thermostat was connected shown
on your usage reports, and (2) a conservative calculation of runtime -
including an adjustment for the periods when your thermostat may not have been
connected - shown on your savings reports.