Fume hood status monitoring and energy accounting

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Overview of the problem and solution with Fume Hoods

The primary energy draw and consequently economic cost of institutional research chemical laboratories are negative pressure fume hoods. Designed to evacuate possibly dangerous fumes from a lab work space, these systems pull and exhaust air from inside to chimny-like stacks atop the research facility. While necessary for safety, the energy demand associated with heating/cooling the replacement air from fume hood operation can be substantial.

Proper use can minimize the energy demand, simply by maintaining the sash (door opening) at a minimum when not in use. However, the human element is most difficult to enforce and manage. A system is here proposed to simply create awareness of the status of a fume hood and track positive behavior incentivising proper behavior for saving energy, money, and the environment.

Details of the proposed system follow...


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Last updated December 17, 2011
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