Project Info

Complete
Project Title 
Automatic Fume Hood Sash Closure
Project Number 
PGE 0607
Investor Owned Utilities 
PG&E
End-use 
Process
Sector 
Industrial
Project Year(s) 
2006 - 2007
Description 

Project Summary

Fume hoods keep laboratories safe and clean by removing unwanted gasses through filters and exhaust fans. But in the process, they consume considerable electricity. One laboratory fume hood uses as much electricity as three homes and produces the greenhouse gas emission equivalent of six cars, and there are approximately 28,000 fume hoods in PG&Es service territory. In this study, a Variable Air Volume (VAV) hood was outfitted with an automatic sash closure system that is controlled by an occupancy sensor. The study took place at two UC Davis laboratories. Results indicate per hood potential annual energy savings between 4 to 13 kWh and 2 to 3 therms per CFM.

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Project Report Document

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