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Current Category: Air Conditioning

If You Don’t Measure, You’re Just Guessing

If You Don't Measure, You're Just Guessing by David Holt, NCI Director Sales & Service Leadership I’m a huge college football fan. When the games begin in late August, I’m either glued to the TV or I’m visiting football stadiums around the country enjoying some...

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How to Use Air Density Correction Factors

Air density correction factors have been a part of our air balancing curriculum since the early 1990's. NCI published a small table years ago and encouraged you to make corrections for air density when measuring airflow at higher altitudes. But the accuracy you are...

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How Much Cooling Can Your Fan Afford?

The quest for higher efficiency cooling equipment is hitting a barrier. Unsuspecting installing contractors are being handed hidden liability that is difficult to identify and resolve. Certain cooling coils are being built for the highest possible SEER rating, but...

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How Does Air Balancing Save Energy?

How Does Air Balancing Save Energy? by Rob "Doc" Falke, President, NCI Air balancing is a relatively small specialty profession with less than 3,000 commercial supervisors certified by four major organizations. There are fewer than 7,000 residential balancing...

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