Case study · Hotel · Chillers
A chiller setpoint reset from 7 °C to 9 °C saved about 550 units a day.
Evidence: Reported by the site · about ₹14 lakh a year
- Industry
- Hotel
- System
- Central chiller plant
- Data used
- The hotel’s chiller control log and site readings
7 °C → 9 °Cchilled-water setpoint, comfort held
about 550 unitsa day
about ₹14 lakha year
What was found
The chillers held a 7 °C chilled-water setpoint, colder than the comfort load needed. The setpoint had most likely never been revisited since commissioning.
What was done
The setpoint was reset to 9 °C and comfort was verified to hold.
Cost and benefit
| Before | 7 °C chilled-water setpoint |
|---|---|
| After | 9 °C, comfort held |
| Energy saved | about 550 units a day, about 2,00,750 kWh a year |
| Money saved | about ₹14 lakh a year |
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