This project, submitted by Going Green Home Solutions, was a complete HVAC renovation of a three-story house in Maywood, Illinois. The customer wanted to keep everything on a single zone, so load ...

Everyone is familiar with pinwheels, and few of us haven’t crafted one from a square of paper, a stick, and a pin. Pinwheels are pretty optimized from a design standpoint, and are so cheap an… ...

It performs the Manual J calculations for heating and cooling loads in accordance with the 8th Edition, Version 2, and lets the user design a complete duct system, calculating duct sizes, system ...