This is part 1 in an ongoing series on HVAC load calculations. The folks at SNIPS have asked me to do a basic how-to article about HVAC Manual J load calculation as that is allegedly a big part of my ...

Last month, we looked at how to calculate various lighting loads. This month, we'll look at how to calculate receptacle and appliance loads. Let's tackle receptacle loads first. Receptacle loads. A ...

HONOLULU, HI — In commercial, residential, industrial, and institutional HVAC design, it is critical for design contractors and engineers to perform a load calculation. Not only is it important for ...

The electrical panel, also known as the service panel, is the control center for all the electrical circuitry in a residence. Today’s panels are bigger than earlier versions. They have to be, because ...

Incorporating demand factors into service feeder calculations is a key skill any electrical professional (including apprentices) must understand – both for working on the job and passing the ...

Not long ago a residential load calculation — also known as a heat loss calculation or a load calc — was something you had the luxury of skipping. There was a good reason for avoiding it. It was ...