TechniSolve Software cc

Free
Allows you to enter the minimum input to get a realistic answer
Free
It is designed to make your fan selections easy and accurate
Free
SolarAngles - Solar angle and window solar heat gain calculator
Free
QuickDuct calculator is a popup that allows you to price a single duct item
Free
Software for the air conditioning, ventilation and refrigeration industry
Free
It allows the easy selection of pulley and belt so that you can reduce stocks
Free
To do heat load calculations, you need to use the basics of air psychrometrics
Free
CWCControl is a free CW coil control application designed for Heat Exchangers
Free
Calculate the flow, pressure drop, and size of duct