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1) ⬆️ CLICK ON File > Make A Copy$1.135
after 2026 price hike
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2) Change ONLY the values in highlighted cells$0.960before
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Cost* per therm$1.044⬅️ Get this from your gas bill
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Furnace AFUE0.9⬅️ Get this from furnace manual⬇️ Get this from heat pump manual
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Theoretical kWh per therm29.3Temp (F)CoP
Elec $ per kWh
Gas $ per kWh
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Effective kWh per therm26.37503.85$0.021$0.0396
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Elec cost* per kWh$0.08⬅️ Get this from electric bill473.7$0.022$0.0396
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453.59$0.022$0.0396
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Furnace cost per kWh heat$0.0396403.31$0.024$0.0396
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353.04$0.026$0.0396
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*including all taxes/fees;302.81$0.028$0.0396
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excludes fixed monthly costs252.66$0.030$0.0396
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202.56$0.031$0.0396
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172.5$0.032$0.0396
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152.41$0.033$0.0396
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102.18$0.037$0.0396
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51.95$0.041$0.0396
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01.7$0.047$0.0396
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