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HeatCAD 2021

HeatCAD and LoopCAD are now both available as the “MJ8 Edition” for the ACCA®-Approved calculation of Manual J® (8th Edition) residential heating and cooling loads.

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Choose your product for the latest download information.

LengthWise 2014
Arrow LengthWise 2014 3.91 MB 2014-07-07 Download is for Trial and Full versions. If you have an activation code, it will determine the status. Download


LengthWise 2012
Arrow LengthWise 2012 2.95 MB 2012-06-20 Download is for Trial and Full versions. If you have an activation code, it will determine the status. Download


LengthWise 2010
Arrow LengthWise 2010 2.50 MB 2010-06-11 Download is for Trial and Full versions. If you have an activation code, it will determine the status. Download


LengthWise 2008
Arrow LengthWise 2008 3.1 MB 2008-07-21 Download is for Trial and Full versions. If you have an activation code, it will determine the status. Download