Device for reducing undesired energy consumption in a room provi

Details Device for reducing undesired energy consumption in a room provi Device for reducing undesired energy consumption in a room provi

1975-08-04

1977-07-12

Waring, Alvin H.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340222, 340274R, 236 1R, 340419, G08B 1900

Patent

active

040357961

ABSTRACT:
Disclosed is a simple apparatus for turning off a heating or air conditioning unit when a door or window is opened. Switches activated by the opening of doors or windows control the operation of a heater or air conditioner through a relay system that doubles as a burglar alarm when an alarm circuit is activated.

REFERENCES:
patent: 3729735 (1973-04-01), Dageford

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