Small Commercial Energy Management Systems (EMS) for HVAC and Lighting

Category: 
Commercial, Small
Project Number: 
PGE 0712
Start Year: 
2007
End Year: 
2010
Markets Segments: 
Commercial
Commercial Office
Commercial, Small
Project Type: 
Demand Savings
Demonstration
Electric Energy Savings
Product Evaluation
Type of Technology: 
Building Controls
Organization: 
Pacific Gas and Electric (PG&E)
Project Status: 
Completed
Savings Type: 
Work

Project Summary

 

The hypothesis guiding this project was that a deemed savings model can be created based on the analysis and simplification of variables involving the operation of a small energy management system (EMS)—including market segment, load type, climate zone, building schedule, and building construction type. This was to be achieved by testing the reliability of thermostat-based EMS systems and collecting operational information to calibrate computer models and determine the feasibility of offering a deemed rebate for this technology. Although HVAC energy savings were shown in the assessment, their dependency on as-found conditions and multiple variables made it difficult to develop a calculated savings model appropriate for a deemed rebate approach.

 For more information, please contact the sponsoring organization.

 

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