SEERbase , Energy DHP or ASHP: 14 5, 6, 7 “Seasonal Efficiency - Cooling efficiency Ratio” Central AC: 13 of baseline unit Room AC: 11.3 No existing cooling for primary space: use Central AC: 13 No existing cooling for secondary space: use Room AC: 11.3 HSPFee , Seasonal Based on nameplate information. AEPS “Heating Performance heating Should be at least ENERGY STAR. Application; Factor”- efficiency of installed DHP EDC Data Gathering SEERee , Energy Based on nameplate information. AEPS “Seasonal Efficiency - Cooling efficiency Should be at least ENERGY STAR. Application; Ratio” of installed DHP EDC Data Gathering OF , factor to None Depends on baseline condition: 1 “Oversize factor” account for the fact that the baseline Central AC=1.5 unit is typically 40%-50% oversized Central ASHP=1.4 Electric Furnace=1.4 Electric Baseboard=1.4 Room AC: 1.0 Ductless Heat Pump: 1.0 DLF , None Depends on baseline condition: “Duct Leakage Factor” accounts for the fact that a % of the Central AC=1.15 energy is lost to duct leakage and Central ASHP=1.15 conduction for ducted systems, but Electric Furnace=1.15 not ductless ones Electric Baseboard=1.00 Room AC: 1.00 Ductless Heat Pump: 1.0 CF , Coincidence Factor % 64.7% 8 , The Energy Efficiency = (11.3/13) X SEERb for DHP or 5,9 EERbase Ratio of the baseline unit central AC = 9.8 room AC EERee , The Energy Efficiency Ratio = (11.3/13) X SEERe AEPS of the installed DHP Application; Based on nameplate information. EDC Data Should be at least ENERGY STAR. Gathering F A Definition of primary and secondary heating systems depends primarily on the location where the source heat is provided in the household, and shown in Table 221.
SEERbase , “Seasonal Energy Efficiency Ratio” - Cooling efficiency of baseline unit DHP or ASHP: 14 Central AC: 13 Room AC: 11.3 No existing cooling for primary space: use Central AC: 13 No existing cooling for secondary space: use Room AC: 11.3 5, 6, 7 HSPFee , “Heating Seasonal Performance Factor”- heating efficiency of installed DHP Based on nameplate information. Should be at least ENERGY STAR. AEPS Application; EDC Data Gathering SEERee , “Seasonal Energy Efficiency Ratio” - Cooling efficiency of installed DHP Based on nameplate information. Should be at least ENERGY STAR. AEPS Application; EDC Data Gathering OF , “Oversize factor” factor to account for the fact that the baseline unit is typically 40%-50% oversized None Depends on baseline condition: Central AC=1.5 Central ASHP=1.4 Electric Furnace=1.4 Electric Baseboard=1.4 Room AC: 1.0 Ductless Heat Pump: 1.0 1 DLF , “Duct Leakage Factor” accounts for the fact that a % of the energy is lost to duct leakage and conduction for ducted systems, but not ductless ones None Depends on baseline condition: Central AC=1.15 Central ASHP=1.15 Electric Furnace=1.15 Electric Baseboard=1.00 Room AC: 1.00 Ductless Heat Pump: 1.0 CF , Coincidence Factor % 64.7% 8 EERbase , The Energy Efficiency Ratio of the baseline unit = (11.3/13) X SEERb for DHP or central AC = 9.8 room AC 5,9 EERee , The Energy Efficiency Ratio of the installed DHP = (11.3/13) X SEERe Based on nameplate information. Should be at least ENERGY STAR. AEPS Application; EDC Data Gathering Definition of primary and secondary heating systems depends primarily on the location where the source heat is provided in the household, and shown in Table 221. F A
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