Free software
- AutoCAD DUCT SIZING program. 15Kb
To download a newer program visit Randall C. Wilkinson's page. - WINDOWS DUCT SIZING program. 5Kb
To view the Screen Capture, go to Randall C. Wilkinson's page. - DOS DUCT SIZING calculator. 49Kb
A stand alone DOS program for sizing new heating and air conditioning ducts. Imagine an RPN calculator customized for sizing ducts. Customizable, mouse aware, runs on minimum hardware. Full documentation included. To download a newer program visit Randall C Wilkinson in 1989 using QuickBASIC. - Windows PIPE SIZING program. 9Kb
To download a newer program visit Randall C Wilkinson's page. for sizing new HVAC and plumbing (pressurized) pipes. Uses slider bars for input. Useful mainly for sizing new pipes, but can be used to calculate pressure drop through simple systems. Written with Visual Basic 3.0 and therefore requires VBRUN300.DLL in your WINDOWS\SYSTEM directory (available by from Microsoft). - PSYCHROMETRIC FUNCTIONS for Microsoft Excel 5.0, 32Kb
To download a newer program visit Randall C. Wilkinson's page. - BUILDING HEATING LOAD for Microsoft Excel 5.0, 4.7Kb
To download a newer program visit Randall C. Wilkinson's page. - PMTHERM V 1.23 a free program for psychrometrics written by Paul Milligan.



