Method and system for pre-heating water
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United States of America Patent
Stats
-
Mar 7, 2006
Grant Date -
Nov 28, 2002
app pub date -
May 10, 2002
filing date -
May 23, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system and method for pre-heating water prior to entering a hot water heater is disclosed. The system includes: a cold water supply line; an ambient air heat exchange device positioned within an insulated area of a building wherein the ambient air heat exchange device is connected to the cold water supply line; and a fluid connected for interconnecting the ambient air heat exchanged device to the hot water heater, the ambient air heat exchange device being operable to: allow incoming cold water to enter the ambient air heat exchange device as required; permit the transfer of heat from ambient air within the insulated area to the cold water within the ambient air heat exchange device to effect pre-heating thereof; and pass water, as thus preheated, from the ambient air heat exchange device to the hot water heater as required. The ambient air heat exchange device may comprise a reservoir or a heat exchanger having at least one pipe. By utilizing energy stored within an insulated area to pre-heat incoming cold water, a reduction in hot water heating costs can be realized. Also disclosed is a method for pre-heating water in an insulated building prior to entering a hot water heater. Also disclosed is a pre-heater for pre-heating water prior to entering a hot water heater.
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