Client: Five Star Hotel (66 Rooms) | Type: Installation & Commissioning | System Capacity: 4,000 LPD
System Specification
| Parameter | Value |
|---|---|
| Number of Rooms | 66 |
| Hot Water Capacity | 4,000 litres per day (@ 55 litres/room) |
Cost Comparison — Three Alternatives
Alternative I — Individual Electrical Geysers
| Item | Cost (Rs.) |
|---|---|
| Geyser per room | 4,000 |
| Cable, switches, MCB per room | 1,500 |
| Total installation cost (66 rooms) | 3,63,000 |
| Annual electricity cost (@ 6 hrs/day) | 2,12,000+ |
Alternative II — Central Electrical Geyser System
Central geyser system reduces capital cost but increases electricity consumption due to heat losses in long pipe runs — making it less economical than solar over the long term.
Alternative III — Solar Hot Water System (Recommended)
Solar system benefits:
• Payback in less than 3 years on capital investment
• Zero fuel cost after payback
• 20+ year operational life
• Backed by MNRE subsidy schemes
• Reduces hotel's carbon footprint
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• Payback in less than 3 years on capital investment
• Zero fuel cost after payback
• 20+ year operational life
• Backed by MNRE subsidy schemes
• Reduces hotel's carbon footprint