In Part 1, we looked at specific types of commercial loads. Let’s use some examples to show yet another difference in demand factors. If you were to watch daily operations at a marina [555.12], you’d ...

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 ...

Bigger is not always better, especially when it comes time for you to install new central air conditioning. Choose a system that is just the right size for your home and its particular characteristics ...

What do turf wars, battle lines, and tug of war have in common? They are all being mentioned by people involved in the creation of two rival commercial HVAC load calculation standards, one from the ...

Based on the 2020 National Electrical Code. Part 1 of this two-part series taught you how to calculate branch-circuit loads. Now let's review how to perform feeder and service load calculations.