1. Regional Technical Forum October 9, 2007

2. 2 ECMs for Compressor Head Cooling Fans  Measure –Retrofit of compressor head cooling fans on low temperature reciprocating compressor systems compressor integral part of a refrigeration system with a remote condenser  Base case –shaded pole motors of 35-55 watt output  Proposed case –electronically commutated motor of no more than 20 watt output

3. 3 ECMs for Compressor Head Cooling Fans Picture from Kroger

4. 4 ECMs for Compressor Head Cooling Fans

5. 5 Case Lighting - Low Temp, T8/T12 to LED  Measure –Retrofit case lighting in existing low temperature display cases  Base case –T8 or T12 lamps and electronic ballasts  Proposed case –LED lighting system –Power source should be located outside of the refrigerated space

6. 6 Case Lighting - Low Temp, T8/T12 to LED Courtesy of a GE presentation 6/20/06

7. 7 Case Lighting - Low Temp, T8/T12 to LED Source: Pacific Gas and Electric Company Emerging Technologies Program Application Assessment Report #0608 prepared by EMCOR energy services.

8. 8 Case Lighting - Low Temp, T8/T12 to LED