using the formula for CEE Tier 2 specifications. The two energy consumption values are then applied to the energy savings algorithm above. Table 351: Ice Machine Energy Usage Ice machine type Ice harvest rate (H) Baseline energy use High-efficiency per 100 lbs of ice energy use per 100 (lbs/day) lbs of ice (kWhbase) (kWhhe) <450 10.26 0.0086*H 9.23 0.0077*H – – Ice-Making Head 6.89 0.0011*H 6.20 0.0010*H ≥450 – – <1000 8.85 0.0038*H 8.05 0.0035*H – – Remote-Condensing w/out remote compressor 5.1 4.64 ≥1000 <934 8.85 0.0038*H 8.05 0.0035*H – – Remote-Condensing with remote compressor 5.3 4.82 ≥934 <175 18 0.0469*H 16.7 0.0436*H – – Self-Contained 9.8 9.11 ≥175 Measure Life Measure life = 10 years. Sources: Karas, A., Fisher, D. (2007), A Field Study to Characterize Water and Energy Use of Commercial Ice-Cube Machines and Quantify Saving Potential, Food Service Technology Center, December 2007, Energy-Efficient Products, How to Buy an Energy-Efficient Commercial Ice Machine, U.S. Department of Energy, Energy Efficiency and Renewable Energy, accessed August 2010 at Wall and Ceiling Insulation Wall and ceiling insulation is one of the most important aspects of the energy system of a building. Insulation dramatically minimizes energy expenditure on heating and cooling. Increasing the R-value of wall insulation above building code requirements generally lowers heating and
using the formula for CEE Tier 2 specifications. The two energy consumption values are then applied to the energy savings algorithm above. Table 351: Ice Machine Energy Usage Ice machine type Ice harvest rate (H) (lbs/day) Baseline energy use per 100 lbs of ice (kWhbase) High-efficiency energy use per 100 lbs of ice (kWhhe) Ice-Making Head <450 10.26 – 0.0086*H 9.23 – 0.0077*H ≥450 6.89 – 0.0011*H 6.20 – 0.0010*H Remote-Condensing w/out remote compressor <1000 8.85 – 0.0038*H 8.05 – 0.0035*H ≥1000 5.1 4.64 Remote-Condensing with remote compressor <934 8.85 – 0.0038*H 8.05 – 0.0035*H ≥934 5.3 4.82 Self-Contained <175 18 – 0.0469*H 16.7 – 0.0436*H ≥175 9.8 9.11 Measure Life Measure life = 10 years. Sources: Karas, A., Fisher, D. (2007), A Field Study to Characterize Water and Energy Use of Commercial Ice-Cube Machines and Quantify Saving Potential, Food Service Technology Center, December 2007, Energy-Efficient Products, How to Buy an Energy-Efficient Commercial Ice Machine, U.S. Department of Energy, Energy Efficiency and Renewable Energy, accessed August 2010 at Wall and Ceiling Insulation Wall and ceiling insulation is one of the most important aspects of the energy system of a building. Insulation dramatically minimizes energy expenditure on heating and cooling. Increasing the R-value of wall insulation above building code requirements generally lowers heating and
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