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Psychrometric Chart + Duct Calculator Psychrometric Chart + Duct Calculator preview

...Calculate duct flow resistance...

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Design Master HVAC Design Master HVAC preview

...building design and drafting AutoCAD...

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Engineering Power Tools Engineering Power Tools preview

ENGINEERING POWER TOOLS solves a wide variety of common engineering problems quickly and easily. Over 70 programs and data tables integrated into one easy-to-use package. Categories include Math, HVAC, Mechanical, Electrical, Materials & Structur

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Software Notice: At the moment listed duct sizing programs reflects search results of demos, free to try versions or full downloads. Download URLs are mainly from vendor sites, torrent files or duct sizing URLs from the one-click hostings like rapidshare.com, megaupload.com are not allowed. We must warn against to use illegal passwords, keygens, cracks for the copyright-protected duct sizing files.