Heating and cooling unit
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United States of America Patent
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-
Mar 20, 2001
Grant Date -
N/A
app pub date -
Feb 24, 1998
filing date -
Mar 5, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus for maintaining an enclosed space proximate a selected comfort level, and for conserving utilities, the apparatus comprising a housing in communicating relation with the enclosed space and the external environment and having an evaporative cooler for cooling the enclosed space and having a predetermined operating efficiency, and a spaced apart air conditioner for either selectively cooling or heating the enclosed space, having a baffle that restricts airflow to the air conditioner and an operating efficiency different from the evaporative cooler, and a control mechanism for automatically and selectively switching back and forth from operation of the evaporative cooler to the air conditioner in response to ambient conditions of the external environment and the operating efficiencies of the evaporative cooler and the air conditioner.
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