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Old 08-24-15, 07:13 AM   #1
Steve Hull
Join Date: Dec 2012
Location: hilly, tree covered Arcadia, OK USA
Posts: 827
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Default excellent manual J and building tips

See below for an excellent Manual J equivalent. The explanations on heat loss through footings is superb.

A bit technical, but no differential equations, just straight algebra.

Site Overview

The section on air infiltration, and calculations is a lot better than manual J.


consulting on geothermal heating/cooling & rational energy use since 1990
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