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Proposed Deemed Calculator for Commercial Ice Making Equipment

Proposed Deemed Calculator for Commercial Ice Making Equipment. June 18, 2002. Background. ACEEE estimates that there are 1.2 million commercial ice-makers currently in-service in the US There are between 50,000 – 75,000 commercial ice-makers currently in-service in the PNW

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Proposed Deemed Calculator for Commercial Ice Making Equipment

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  1. Proposed Deemed Calculator for Commercial Ice Making Equipment June 18, 2002

  2. Background • ACEEE estimates that there are 1.2 million commercial ice-makers currently in-service in the US • There are between 50,000 – 75,000 commercial ice-makers currently in-service in the PNW • There are only 5 major manufacturers • Energy efficiency varies over a wide range

  3. Background - Continue • FEMP has set “recommended” levels of efficiency for commercial ice-making equipment • CEE has proposed a two-tiered efficiency level, that differs from FEMP • We do not have “sales weighted” efficiency data to establish a “baseline” from which to measure savings

  4. Energy Consumption Rate for Air-Cooled Ice-Making Heads

  5. Energy Consumption Rate for Water-Cooled Ice-Making Heads

  6. Energy Consumption Rate for Remote Condensing Ice-Making Heads Air-Cooled

  7. Energy Consumption Rate for Self-Contained Ice-Making Heads - Air-Cooled

  8. Energy Consumption Rate for Self-Contained Ice-Making Heads: Water-Cooled

  9. Recommendations (1) • Use “Power Curve” fit to establish “average” efficiency by ice-maker type and capacity. • Use “Power Curve” fit to “above average” efficiency models to establish “minimum” efficiency needed to qualify for C&RD • Use “Power Curve” fit to “below average” efficiency models to establish “baseline” efficiency compute savings for C&RD

  10. Recommendations (2) • Adopt “Deemed Calculator” to determine savings and C&RD credit for commercial ice-making equipment • Use ARI rating as basis for unit efficiency (kWh/100 lbs) • Use 3,000 hrs/yr (approx. 34% load factor) as basis for computing annual savings.

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