Note: You can only add values from cell no. 3 to cell no. 8 in right column. Storage volume of Fridges to be compared must be same.
1) If you want to replace existing fridge1 by higher stars fridge, this calculator will tell you simple payback period. The fridge has lifespan of aroud 20 Yr, so payback period should be less than 20 Yr, otherwise the amount invested in buying new fridge2 will not be paid back to you completely in the form of yearly savings on electricity bill.
2) If you are buying new fridge, this calculator will tell you how much you can save yearly by buying higher star fridge2 and eventhough higher stars fridge2 may be a bit costly initially will generate revenue in the form of savings after total savings cross the difference in price of two fridges.
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