Table 5 LCC parameters
Parameter | Green heating system | Conventional heating system |
|---|---|---|
Service time | 20Â years | 20Â years |
Investment at year zero | 35,000 $ | 1000 $ |
Maintenance cost | 2% | 2% |
Salvage cost | 4.5% | 4.5% |
Discount rate | 5% | 5% |
Replacement cost | 20Â years | 2Â years |
Conventional electricity consumptiona | 8900 kwh/year | 25,000 kwh/year |