Commercial Refrigerators and Freezers Efficiency Standards, Savings, and Cost RTF Meeting July 1, 2008

Background Model Variations – Door Type Sold Door Glass Door Combination – Temperature Refrigerator Freezer Combination – Aesthetics Standard Line Specification Line – Purpose Reach-In Under counter Roll-in/Roll-through Pass-through Where savings come from – Improved face frame design – Lower wattage anti-sweat heaters – High efficiency evaporator and condenser fan motors – Higher efficiency compressor – Optimized refrigeration system design – Improved insulation

Efficiency Standards CEE: OR & WA – Minimum efficiency standards in place earlier this year (CEE Tier 1). Federal Minimum – Will go into effect 2010 (CEE Tier 1) Energy Star – Currently set at the same level as CEE Tier 1, OR and WA code and the 2010 Fed minimum (exception: No standard for glass-door refrigerators or freezers). – New spec to be finalized by April 2009, to go into effect January 2010.

Energy Savings CEE Tier 1 Energy Use – CEE Tier 2 Energy Use Updated analysis using new CEE lists. Savings weighted equally based on CEE list kWh/year:

Cost Previous version of RTF assumptions used a 3 year payback as the basis for the incremental cost. Incremental Cost is very difficult to determine through catalog/online price research. For example: Freezers cu.ft. showed an incremental cost of $1490 with one manufacturer and negative $260 with another. Efficiency doesn’t seem to be related to cost. In 2002, ADL/DOE/Delfield re-designed the Delfield “Vantage” refrigerator line. $0 incremental cost (actually less expensive to produce than the baseline model) 68% energy savings over baseline model

Recommendations Update Savings based on most recent CEE list. – Combine Glass Door and Solid Door Refrigerators as one measure by using the average savings: Assume Incremental Cost is $0. Efficiency standards remain at CEE Tier 2 levels until Energy Star specifications are put in place.