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 ...

Part III of NEC Art. 220 provides requirements for the calculated load of specific applications (after covering general loads and general lighting). Do you know the types of loads that are covered ...

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 ...

Question: How do I know what size A/C system my house needs? Answer: When considering the size of your central A/C unit, there are a few factors in play. Primarily, the size of your house is used to ...

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 ...

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 ...

As we've discussed in the last two Code Calculations articles, when calculating the total load on your system, you must first identify specific types of loads. Then, you can calculate each load. For ...