Courtesy of www.MikeHolt.com. Based on the 2020 NEC. Sizing the feeder or service load for a dwelling isn’t simply a matter of totaling the loads or breaker ratings. The Code recognizes there’s load ...

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.

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 ...

Manual J 8th Edition is the national ANSI-recognized standard for producing HVAC equipment sizing loads for single-family detached homes, small multi-unit structures, condominiums, town houses, and ...

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 ...

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 ...

WE'VE BEEN TALKING for the last three months about how to properly size a heat source when replacing oversized cast-iron boilers that once used solid fuel. They come with an existing castiron ...