BEST PRACTICES: The use of software for load calculations is a key trait of the contractor of the future, according to the latest Contractor of the Future study from ACCA and the Farmington Consulting ...

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 ...

Developers and owners of residential homes are generally keen on keeping heating and cooling costs as streamlined as possible without sacrificing performance. A properly sized system costs less to run ...

As noted previously, the Informational Note of Sec. 220.40 is really two notes contained in one. First, it tells you to see Informative Annex D, Examples D1(a) through D10. These walk through various ...

Get expert guidance on how to select and properly size temporary cooling applications with the Roadmap to Temporary HVAC: Cooling Job Sizing Guidance and Calculations. Planning and know-how are ...

The rules for feeder and service load calculations differ from those for branch-circuit calculations. Do you know the differences? With branch circuits (Art. 220, Part II), you’re basically ...