Forensic Engineers and Consultants

Tag Archive: duct systems

  1. Materials in HVAC Plenums

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    What materials are suitable for installation in Heating, Ventilation, and Air Conditioning (HVAC) plenums?  Let’s first define a plenum.  The 2021 edition of the International Mechanical Code (IMC), a subset of the International Building Code (IBC), defines a plenum as “an enclosed portion of a building structure, other than the occupied space being conditioned, that is designed to allow air movement, and thereby serve as a part of an air distribution system.” (more…)

  2. Air Conditioning Evaporators

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    This is the third and final of three articles concerning the basics of air conditioning systems.  This article concerns the evaporator, a part of the air conditioning system that is usually unseen inside the air handling unit. The evaporator, in concert with a fan, supplies cool air to a building interior. (more…)

  3. Air Conditioning Condensing Units

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    The condensing unit is a key component of all vapor compression air conditioning systems.  We are all familiar with condensing units as the noisy exterior portions of air conditioning systems that blow hot air to the environment. (more…)

  4. Air Conditioning System Basics

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    Air conditioning systems are everywhere in our lives – at home, in our vehicles, at work, in manufacturing facilities – yet most people give them little thought other than setting a comfortable temperature until they stop working or malfunction in some other way. (more…)

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