EXAMPLE 3 o Assuming a cost of $3000 for a system that supplies of the hot water demand ( AT 70°F) of 80 gallons a day, oil at $1.80 gal, (E-140,000 Btu/gal) and water heater efficiency of 70%, how long is the pay back time 94 EXAMPLE 3 o Assuming a cost of $3000 for a system that supplies of the hot water demand ( AT 70°F) of 80 gallons a day, oil at $1.80 gal, (E-140,000 Btu/gal) and water heater efficiency of 70%, how long is the pay back time 94
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Engineering 2022-05-15 19:04:59