The invention comprises systems and methods for estimating the rate of change in temperature inside a structure. At least one thermostat located is inside the structure and is used to control an climate control system in the structure. At least one remote processor is in communication with said thermostat...http://www.google.com.hk/patents/US20090125151?utm_source=gb-gplus-share專利 US20090125151 - SYSTEM AND METHOD FOR USING A NETWORK OF THERMOSTATS AS TOOL TO VERIFY PEAK DEMAND REDUCTION
