PROPANE VERSUS ELECTRIC Estimated calculations  Town of Windsor Propane Gas Unit Cost' * Gas,Therm $ 1.50  Calculated Heat Loss in warehouse, BTUH  526,000 Total Cost $3 35,188  Consumption, /year Therm 23458  Electric Unit Cost' * KWH $ 0.13  Consumption/year KWH 281980 Benefit  Total Cost $35,248 $ 60