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<HTML><!-- eWebEditPro 1.8.0.2 --><B><FONT size=6><P></B></FONT><P><FONT size=6></P></FONT>I would like to install a 12-volt DC air conditioner on my boat, but I can&#146;t find one. Can you help? <P></P><P>Arthur.</P><B><P>Tom Wood responds:</P></B><P>I have queried several experts in the field and no one seems to have any knowledge of a low-voltage DC air conditioning. Refrigeration and A/C units usually consume huge amounts of power that would require massive battery banks and re-charging systems to maintain. About 5,000 BTUs are required on the average boat for minimal A/C cooling. The average small DC refrigerator to cool a small ice box consumes about six amps per hour at 12.6 volts to gain 350 BTUs&#151;by deduction, a 12-volt A/C unit would use nearly 100 amps at 12.6 volts to cool an average-sized sailboat. Perhaps if the ballast was all in batteries, this might be feasible. Otherwise, installing a generator and operating the air conditioner off 115 VAC makes more sense.</P><P><TABLE align=center border=0 cellPadding=0 cellSpacing=0><TBODY><TR><TD height=8></TD></TR><TR><TD vAlign=center><A href="http://www.sailnet.com/store/item.cfm?pid=793"><IMG border=0 height=75 src="http://www.sailnet.com/images/content/authors/wood/093000_ad_tw.gif" width=320></A></TD></TR></TBODY></TABLE><P></P></HTML>
 
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