Heating and cooling unit

Details Heating and cooling unit Heating and cooling unit

1997-10-29

1999-10-26

Wayner, William

Refrigeration

Processes

Gas and liquid contact

62171, 62332, F28D 300, F25B 2500

Patent

active

059707232

ABSTRACT:
An apparatus for maintaining an enclosed space proximate a selected comfort range, 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 and having 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.

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