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Energy consumption indicating system

  • US 3,995,686 A
  • Filed: 06/05/1975
  • Issued: 12/07/1976
  • Est. Priority Date: 06/05/1975
  • Status: Expired due to Term
First Claim
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1. A system for indicating relative amounts of energy consumed for comfort temperature control by individual occupancy units of a multi-unit structure wherein the actual total energy use is metered for the entire structure, said system comprising:

  • a. a plurality of temperature control units, each associated with one of the individual occupancy units to alter the temperature of room air therein, and all operated from a common energy source;

    b. a control switch associated with each of said temperature control units, the latter being operable by energy from the common source to alter room air temperature in accordance with the selective setting of said control switch;

    c. an electrically operated elapsed time meter associated with each of said temperature control units; and

    d. means for actuating said meter to indicate the elapsed time of operation of its associated temperature control unit to alter room air temperature.

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