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Project Info COMPLETE Project Title

DEMAND CONTROL VENTILATION WITH CENTRALIZED AIR QUALITY SENSORS

Project Number ET11SDGE0016 Organization SDG&E End-use Whole Building, HVAC Sector Commercial, Public, Other Project Year(s) 2011 - 2013
Description
In many cases, buildings lack automatic ventilation feedback and are consequently over-ventilated. This report investigates the potential energy savings for a demand control ventilation (DCV) system with centralized air quality sensors. This technology aims to maintain or improve building comfort, verify with continuous measurements that ventilation codes are satisfied, improve environmental air quality, and reduce overall energy consumption. To accomplish such a strategy the technology generally gathers the following data: - Space Temperature - Dew Point Temperature - Carbon Dioxide (CO₂) - Carbon Monoxide (CO) - Total Volatile Organic Compounds (TVOC) - Airborne Particulates The main focus of this project was to document the energy savings at one particular college laboratory facility where this system was installed. The calculation strategy included a pre- and post-retrofit weather bin analysis of supply fans, exhaust fans, chilled water usage, and heating hot water usage.
Project Report Document
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The ETCC is funded in part by ratepayer dollars and the California IOU Emerging Technologies Program, the IOU Codes & Standards Planning & Coordination Subprograms, and the Demand Response Emerging Technologies (DRET) Collaborative programs under the auspices of the California Public Utilities Commission. The municipal portion of this program is funded and administered by Sacramento Municipal Utility District and Los Angeles Department of Water and Power.