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Posted by HeatPro on December 14, 2005 at 00:31:41:
In Reply to: Re: My old boiler posted by Michael on December 14, 2005 at 00:25:58:
will my oil co. give me the correct answer?
+++ Depends if they are 'hands-on' people or can use a computer for estimation.
http://heatpro.bluedomino.com/duct/squareft.htm