Kcal: 30000
KW: 35
Input KW: 2.86
Time to heat /hours: 2.92
Unit Consumed: 8
Per Day Cost: 84
(Per unit cost taken as Rs.10)
Kcal: 30000
KW: 35
Electric Power - 2KW x 25 nos: 52.50
Per Day Cost: 525
Savings per day: 441
Savings per annum: 132300
| Investment: | No | Cost(Rs) | Total |
| Heat Pump | 350000 | ||
| Electric Geyser | 120000 | ||
| Excess Investment | 230000 | ||
Actual Investment / Savings per annum (in years): 1.7
ROI: Less than 2 years