Our Blog is Your Source for Design Tools and Expertise to Help You Optimize your HVAC System Design. McQuay Duct Sizer McQuay Duct ...

Fan Fundamentals Download Fan Fundamental by:GreenHeck Fan Fundamentals by GreenHeck for Fan Selection,Application-Based Selection...

HVAC drawings with LISPS are awesome! In this tutorial, I will show you how to draw a duct branch from the main duct with a 45...

Carrier's Hourly Analysis Program (HAP 5.1) Full Edition Hello Every One, HAP is a computer tool that assists engineers in desi...

Hello, Everyone, Today I will show you how to draw Rectangle Ducts Tee, using LISP . Download the required Lisp from here t...