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 ...

What can you learn from the NEC’s Annex D, Example D3? The title of the example is “Store Building,” and that means it’s for a commercial installation (rather than industrial or residential). You may ...

Designing a temporary heating system differs considerably from permanent installations. In early construction stages, you might face a tight roof with walls of sheet plastic, or nearly complete walls ...

The Commercial Load Calculation Software quickly and accurately calculates the maximum heating and cooling loads for commercial buildings, according to the company. Cooling loads can be calculated ...

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 ...

A. The calculation of a feeder or service load for existing installations can be based on the actual maximum demand under all of the following conditions [220.87]: 1) The maximum demand data for one ...