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 ...

With energy prices continuing to rise, the costs of heating and cooling commercial buildings are straining the operating budgets of many commercial enterprises. To best serve their customers, HVAC ...

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.

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 ...

Mlulti-family service calculations can seem confusing, especially since you have a choice of methods — standard (Art. 220, Part II) and optional (Art. 220, Part III). But clearing up that confusion is ...