How To Size A Waterside Economizer Part 4: Chilled Water Piping Requirements

How To Size A Waterside Economizer Part 4: Chilled Water Piping Requirements

In our last blog we discussed heat exchanger piping on the cooling tower/condenser water side of a system with integrated waterside economizing to meet ASHRAE 90.1. Today, we’re going to tackle the chilled water…

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How To Size A Waterside Economizer Part 1: How ASHRAE 90.1 Updates Have (Or WILL) Change Chilled Water Design

Has your state adopted ASHRAE 90.1-2010 or beyond into its commercial building code? If so, then it is highly likely that you should be incorporating either waterside or airside economizing into your cooling design. The Standard has effectively made air or waterside economizing a requirement in virtually every…

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Domestic Water Pressure Booster Sizing Part 5: Selecting The Pressure Booster

Domestic Water Pressure Booster Sizing Part 5: Selecting The Pressure Booster

In our last blog, we determined that we required a 56 PSI pressure boost in our 100 Room Apartment example. Previous to that we determined (using the Hunters Curve) that we had a maximum total demand of 180 gpm. With these two values we are now prepared to select…

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