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Dwelling heating and air conditioning system

  • US 5,348,078 A
  • Filed: 07/08/1993
  • Issued: 09/20/1994
  • Est. Priority Date: 07/08/1993
  • Status: Expired due to Term
First Claim
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1. A retrofittable, single family home, room-by-room temperature controlling system comprising:

  • a hot air and air conditioning furnace system with a plurality of output ducts extending to rooms of a building;

    controllable output register assemblies or vent assemblies at the outlet of each duct into the room, said registers including, as a part of the register assembly, electrically operable means for selectively opening and sealing the output from the register;

    a central controller for controlling the furnace system and for operating the registers in each room to control the heating and cooling of each room individually;

    a master controller for selecting temperature conditions remotely for each room and for sending signals to the central controller indicating the selected temperature conditions;

    thermostat units in each room indicating for each room, the actual temperature, the set temperature, and the desired mode, including (a) heat, (b) air conditioning, (c) fan, and (d) off, conditions, and said thermostat units further including switch controls for setting locally the mode and the desired temperature;

    said master controller and said thermostat units being electrically coupled to said central controller; and

    said central controller including means responsive to signals from said master controller and from said thermostat units for controlling the heating and air conditioning furnace unit, and for opening and closing the registers and/or vents in each room.

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