showerhead Default: Standard shower head=2.5 Low Flow Shower Head=1.5 Npersons, Average number of persons Default SF=2.4 2 per household Default MF=1.9 Default unknown=2.4 Or EDC Data Gathering NShowers-Day, Average number of 0.6 3 showers per person per day days/year 365 S/home, Average number of showerhead Default SF=1.3 4 fixtures in the home Default MF=1.1 Default unknown = 1.2 None Or EDC Data Gathering Tout, Assumed temperature of water used 104 5 ° by showerhead Or EDC Data Gathering Tin, Assumed temperature of water 55 6,7 ° entering house UH, Unit Conversion 8.3 Convention UE, Unit Conversion 1/3412 Convention RE, Recovery efficiency of electric water Default: 0.98 7, 10 Decimal heater HPWH: 2.1 ETDF, Energy To Demand Factor 0.00008013 8 ISR, In Service Rate Variable EDC Data % Gathering ELEC, Percentage of homes with electric Default: Unknown=43% 9 water heat Or EDC Data Gathering: % Electric = 100% Fossil Fuel = 0.0% BehavioralWasteSeconds, Time Default = 59 or EDC Data 5 sec Gathering A Table 269: Restriction Valve Calculation Assumptions Baseline Energy Peak Demand Flowrate ELEC (water heater Savings Reduction Therm Application (GPM) fuel) (kWh/yr) (kW) Savings 2.5 Unknown (43%) 52.0 0.0042 5.3 Single Family 2 Unknown (43%) 41.6 0.0033 4.3 1.5 Unknown (43%) 31.2 0.0025 3.2 2.5 Unknown (43%) 48.6 0.0039 5 Multifamily 2 Unknown (43%) 38.9 0.0031 4 1.5 Unknown (43%) 29.2 0.0023 3 2.5 Unknown (43%) 56.3 0.0045 5.8 Unknown / Default 2 Unknown (43%) 45.1 0.0036 4.6 Housing Type 1.5 Unknown (43%) 33.8 0.0027 3.5 2.5 Electric (100%) 120.9 0.0097 5.3 Single Family 2 Electric (100%) 96.7 0.0077 4.3
showerhead Default: Standard shower head=2.5 Low Flow Shower Head=1.5 Npersons, Average number of persons per household Default SF=2.4 Default MF=1.9 Default unknown=2.4 Or EDC Data Gathering 2 NShowers-Day, Average number of showers per person per day 0.6 3 days/year 365 S/home, Average number of showerhead fixtures in the home None Default SF=1.3 Default MF=1.1 Default unknown = 1.2 Or EDC Data Gathering 4 Tout, Assumed temperature of water used by showerhead ° 104 Or EDC Data Gathering 5 Tin, Assumed temperature of water entering house ° 55 6,7 UH, Unit Conversion 8.3 Convention UE, Unit Conversion 1/3412 Convention RE, Recovery efficiency of electric water heater Decimal Default: 0.98 HPWH: 2.1 7, 10 ETDF, Energy To Demand Factor 0.00008013 8 ISR, In Service Rate % Variable EDC Data Gathering ELEC, Percentage of homes with electric water heat % Default: Unknown=43% Or EDC Data Gathering: Electric = 100% Fossil Fuel = 0.0% 9 BehavioralWasteSeconds, Time sec Default = 59 or EDC Data Gathering 5 Table 269: Restriction Valve Calculation Assumptions Application Baseline Flowrate (GPM) ELEC (water heater fuel) Energy Savings (kWh/yr) Peak Demand Reduction (kW) Therm Savings Single Family 2.5 Unknown (43%) 52.0 0.0042 5.3 2 Unknown (43%) 41.6 0.0033 4.3 1.5 Unknown (43%) 31.2 0.0025 3.2 Multifamily 2.5 Unknown (43%) 48.6 0.0039 5 2 Unknown (43%) 38.9 0.0031 4 1.5 Unknown (43%) 29.2 0.0023 3 Unknown / Default Housing Type 2.5 Unknown (43%) 56.3 0.0045 5.8 2 Unknown (43%) 45.1 0.0036 4.6 1.5 Unknown (43%) 33.8 0.0027 3.5 Single Family 2.5 Electric (100%) 120.9 0.0097 5.3 2 Electric (100%) 96.7 0.0077 4.3 A
1370278.docx