System and method for using a networked electronic device as an occupancy sensor for an energy management system
DC CAFCFirst Claim
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1. A method for varying temperature setpoints for an HVAC system comprising:
- storing at least a first HVAC temperature setpoint associated with a structure that is deemed to be non-occupied and at least a second HVAC temperature setpoint associated with said structure deemed to be occupied;
determining whether one or more networked electronic devices inside said structure are in use, wherein said networked electronic devices comprise a graphic user interface comprising a display, wherein said networked electronic devices receive input from one or more users and wherein use of said networked electronic devices comprises at least one of cursor movement, keystrokes or other user interface actions intended to alter a state of one or more of said networked electronic devices by one or more users;
in response to use of said one or more networked devices, determining that said HVAC system is set to said first HVAC temperature setpoint indicating that said structure is deemed to be non occupied;
determining that said one or more users has previously indicated a preference that said user'"'"'s input be obtained before automatically changing said first HVAC temperature setpoint to said second HVAC temperature setpoint indicating that said structure is deemed to be occupied;
prompting said one or more users based on said determining that said one or more of said user'"'"'s input should be obtained, wherein said prompting sends a message to at least one of said networked electronic devices that said first HVAC system is set for a non-occupied structure and whether to change said first HVAC temperature setpoint to said second HVAC temperature setpoint associated with occupancy of said structure;
in response to said prompting, receiving input from said one or more users to keep said first HVAC temperature setpoint; and
keeping said first HVAC temperature setpoint based upon said input from said one or more users.
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Abstract
The invention comprises systems and methods for detecting the use of networked consumer electronics devices as indications of occupancy of a structure for purposes of automatically adjusting the temperature setpoint on a thermostatic HVAC control. At least one thermostat is located inside a structure and is used to control an HVAC system in the structure. At least one networked electronic device is used to indicate the state of occupancy of the structure. The state of occupancy is used to alter the setpoint on the thermostatic HVAC control to reduce unneeded conditioning of unoccupied spaces.
411 Citations
18 Claims
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1. A method for varying temperature setpoints for an HVAC system comprising:
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storing at least a first HVAC temperature setpoint associated with a structure that is deemed to be non-occupied and at least a second HVAC temperature setpoint associated with said structure deemed to be occupied; determining whether one or more networked electronic devices inside said structure are in use, wherein said networked electronic devices comprise a graphic user interface comprising a display, wherein said networked electronic devices receive input from one or more users and wherein use of said networked electronic devices comprises at least one of cursor movement, keystrokes or other user interface actions intended to alter a state of one or more of said networked electronic devices by one or more users; in response to use of said one or more networked devices, determining that said HVAC system is set to said first HVAC temperature setpoint indicating that said structure is deemed to be non occupied; determining that said one or more users has previously indicated a preference that said user'"'"'s input be obtained before automatically changing said first HVAC temperature setpoint to said second HVAC temperature setpoint indicating that said structure is deemed to be occupied; prompting said one or more users based on said determining that said one or more of said user'"'"'s input should be obtained, wherein said prompting sends a message to at least one of said networked electronic devices that said first HVAC system is set for a non-occupied structure and whether to change said first HVAC temperature setpoint to said second HVAC temperature setpoint associated with occupancy of said structure; in response to said prompting, receiving input from said one or more users to keep said first HVAC temperature setpoint; and keeping said first HVAC temperature setpoint based upon said input from said one or more users. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system for altering the setpoint on a thermostat for space conditioning of a structure comprising:
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at least one thermostat having at least a first temperature setpoint associated with a non-occupied structure, and at least a second temperature setpoint associated with the existence of occupants in said structure; one or more electronic devices having at least a graphic user interface comprising a display wherein said electronic devices receive input from one or more users and wherein use of said electronic devices comprises at least one of cursor movement, keystrokes or other user interface actions intended to alter a state of one or more of said electronic devices by one or more users wherein activity of one or more networked electronic devices indicates whether said thermostat should be changed from said first temperature setpoint to said second temperature setpoint; wherein said electronic devices and said thermostat are connected to a network; an application comprising one or more computer processors in communication with said network, wherein said application determines whether said one or more electronic devices are in use and in response, whether said thermostat is set to said first temperature setpoint that indicates said structure is not occupied, said application determining that said one or more users has previously indicated a preference that said user'"'"'s input be obtained before automatically changing said first HVAC temperature setpoint to said second HVAC temperature setpoint indicating that said structure is deemed to be occupied; said application prompting said one or more users based on said determining that said one or more of said user'"'"'s input should be obtained, wherein said application provides electronic notice to one or more of said users of said electronic devices that said thermostat is set for a non-occupied structure and whether to keep said first temperature setpoint or change to said second temperature setpoint; and wherein said application in response to said prompting, receives input from said one or more users to keep said first HVAC temperature setpoint; and wherein said thermostat is kept at said first temperature setpoint based upon said input from said one or more users. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification