Hi, I am getting an error when I try to size the system in Netsys Ductsizer. After drawing the system I am met with 'Duct with system marker is not the start duct for the system'. (See attached) I have tried putting the system marker in various…

Hi Understood the below links gives K-value for some of the fitting however, it doesn't show the assumed value for different default bends and tees . Please could you be able to post the k vale for the default connection fittings. i want to verify the…

HI I HAVE A DUCT PASSING VIA RISER FROM L1 TO L6 AT AN ANGLE OF 45 DEGREE OR SAY NOT IN A 90 DEGREE VERTICAL WAY. PLEASE COULD YOU BE SO KIND TO DEMONSTRATE HOW THIS CAN BE MODELED. MANY THANKS