Air Conditioning Load of a Group of People

Quote of the Day

Concentration is my motto. First honesty, then industry, then concentration.

Andrew Carnegie

Figure 1: HVAC Load for 17 People.

Figure 1: HVAC Load for 17 People.

I was reading an article about HVAC (Heating, Ventilation, and Air Conditioning) calculations in the Journal of Light Construction that had a quote I found interesting. It said that

… 17 extra occupants added more than a half ton of cooling load.

Figure 1 shows how to prove this statement assuming that the average person burns 2000 kilocalories a day, which is probably a low number. This problem is all about unit conversion: kilocalories, BTUs, tons of cooling, etc. You might wonder why an electrical engineer would worry about these sorts of things. Unfortunately, I frequently have to specify the cooling capacity required for the electronics that I put into rooms.

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