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Nailor Airwaves Archive

Post date: November 16, 2020
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By: Kevin Del Castillo, EIT

Knowing how much air is passing through a duct or entering a building is imperative in many commercial HVAC applications today but being able to control the airflow can be even more important. Throughout the HVAC industry, there already exists many innovative ways of measuring air, such as differential pressure using pitot tubes, anemometers, vortices, electromagnetic flow meters, and calculation based on damper position, yet the industry often turns to accurate and dependable Thermal Dispersion...

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Post date: November 9, 2020
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By: Matthew Crump, PE

In our previous articles we highlighted the benefits, design, energy efficiency, and configurations of water source heat pump technology.  Though heat pumps include a refrigeration cycle and air conditioner in one small package, they are only able to do this in cooperation with a few building systems that are critical for removing or delivering heat from/to the heat pump.  To remove heat from the units the building system includes a cooling tower, and to add heat a boiler.  The tower and boiler are connected...

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