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…

After my lunch this afternoon, I opened up System Builder and loaded my project that I was working on this morning and selected floor 4 of my building. The ductwork appeared for a split second then it vanished. After further investigation thinking this…

Hi I am using system builder within Hevacomp to size a variety of services and am running into problems regarding the ductwork. I have selected a default grille type for both supply and extract systems, placed them in the desired rooms and connected…

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

Hi This is my first project in Netsys Ductwork Please could you be able to answer below questions 1) If you have two ducts at same height level and inter-crosses how do you design bends to avoid collision? 2) How do you model branching duct at…