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Project Info COMPLETE Project Title

HVAC Electrostatic Filter

Project Number ET11SCE1190 Organization SCE End-use HVAC Sector Other Project Year(s) 2011 - 2012
Description
The majority of residential and commercial air conditioning units include throwaway fiberglass media filters. This project will replaces these filters. In principle, it captures a larger amount of airborne contaminants, captures smaller size contaminants, and operates at a lower air pressure drop than fiberglass media filters.
Project Results
This study seeks to determine if electrostatic air filters provide energy savings and demand reduction to air conditioning units. Electrostatic filters are intended to replace disposable pleated media filters. Air filtration is an integral part of air conditioning systems, but filters increase the energy consumption of these systems. They add resistance to the air stream, and this resistance increases as contaminants amass in the filter. Most commercial and residential air conditioning units use pleated media filters, which are replaced on a scheduled basis Electrostatic filters charge airborne particles, which attracts and attaches them to the filter media. This process increases the removal rate of contaminants. At the same time, an electrostatic filter imposes a lower pressure drop across the air stream than a pleated media filter.
Project Report Document
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Industry
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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.