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["Ventilation Control"]
["(Electric Cooling and Gas Heating)"]
[]
["Description of UCRM:",null,null,null,"(Data needed:  use of space, schedule, inside temperature during cooling season,"]
["inside temperature during heating season)"]
[]
[]
[]
[]
["Data needed for calculations",null,null,null,null,"Description",null,null,null,null,null,null,null,"Resource"]
["A)",null,null,"cfm",null,"Existing Ventilation Rate"]
["B)",null,null,"cfm",null,"Proposed Ventilation Rate"]
["C)",null,null,"°F",null,"Avg Inside Temp (DB/WB°F, Cooling Season)",null,null,null,null,null,null,null,"Table 5"]
["D)",null,null,"°F",null,"Avg Outside Temp (DB/WB°F, Cooling Season)",null,null,null,null,null,null,null,"Table 5"]
["E)",null,null,"°F",null,"Avg Inside Temperature (Heating Season)",null,null,null,null,null,null,null,"Table 5"]
["F)",null,null,"°F",null,"Avg Outside Temperature (Heating Season)",null,null,null,null,null,null,null,"Table 5"]
["G)",null,null,"hrs/yr",null,"Annual Cooling System Operating Hours",null,null,null,null,null,null,null,"Table 15"]
["H)",null,null,"hrs/yr",null,"Annual Heating System Operating Hours",null,null,null,null,null,null,null,"Table 16"]
["I)",null,null,"kW/Ton",null,"Performance of Cooling System",null,null,null,null,null,null,null,"Table 1"]
["J)",null,null,"%",null,"Efficiency of Heating System",null,null,null,null,null,null,null,"Table 3"]
["K)",null,null,"$/kWh",null,"Electrical Energy Rate - Summer"]
["L)",null,null,"$/kWh",null,"Electrical Energy Rate - Winter"]
["M)",null,null,"$/kW-mo",null,"Electrical Demand Rate - Summer"]
["N)",null,null,"$/kW-mo",null,"Electrical Demand Rate - Winter"]
["O)",null,null,"$/Mcf",null,"Natural Gas Rate"]
["P)",null,null,"mo/yr",null,"Number of Cooling Months (for demand)"]
["Q)",null,null,"$",null,"Cost of Project, Including Design"]
["R)",null,null,"Btu/lbm",null,"Enthalpy Inside (From Psychrometric Chart Using C)",null,null,null,null,null,null,null,"P. Chart"]
["S)",null,null,"Btu/lbm",null,"Enthalpy Outside (From Psychrometric Chart Using D)",null,null,null,null,null,null,null,"P. Chart"]
[]
["Calculations"]
["T)","Adjusted Ventilation Rate",null,null,null,"=","A - B",null,null,null,"=",{"$f":"B11-B12","v":0},null,"cfm"]
[]
["U)","Cooling Energy Savings",null,null,null,"=","4.5 * T * (R - S) * G",null,null,null,"=",{"$f":"(4.5*L32*(B28-B29)*B17)/12000","v":0},null,"Ton-hrs/yr"]
[null,null,null,null,null,null,"12,000 Btu/Ton-hr"]
["V)","Annual Cooling Electrical Energy Savings",null,null,null,"=","U * I",null,null,null,"=",{"$f":"L34*B19","v":0},null,"kWh/yr"]
[]
["W)","Cooling Electrical Demand Savings",null,null,null,"=","V",null,null,null,"=",{"$f":"L36/B17","v":{"$error":"#DIV/0!"}},null,"kW"]
[null,null,null,null,null,null,"G"]
["X)","Annual Cooling Cost Savings",null,null,null,"=","V * (K + L)/2 + W * (M + N)/2 * P",null,null,null,"=",{"$f":"L36*(B21+B22)/2+L38*(B23+B24)/2*B26","v":{"$error":"#DIV/0!"}},null,"$/yr"]
[]
["Y)","Heating Energy Savings",null,null,null,"=","1.085 * T * (E - F) * H",null,null,null,"=",{"$f":"1.085*L32*(B15-B16)*B18","v":0},null,"Btu/yr"]
[]
["Z)","Annual Natural Gas Savings",null,null,null,"=","Y / J",null,null,null,"=",{"$f":"(L42/(B20/100))/1030000","v":{"$error":"#DIV/0!"}},null,"Mcf/yr"]
[null,null,null,null,null,null,"1,030,000 Btu/Mcf"]
["AA)","Annual Heating Cost Savings",null,null,null,"=","Z * O",null,null,null,"=",{"$f":"L44*B25","v":{"$error":"#DIV/0!"}},null,"$/yr"]
[]
["BB)","Annual Cost Savings",null,null,null,"=","X + AA",null,null,null,"=",{"$f":"L40+L46","v":{"$error":"#DIV/0!"}},null,"$/yr"]
[]
["CC)","Simple Payback",null,null,null,"=","Q",null,null,null,"=",{"$f":"B27/L48","v":{"$error":"#DIV/0!"}},null,"yrs"]
[null,null,null,null,null,null,"BB"]

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