Case Study 03 · Smart Control
Smart Occupancy-Based Ventilation — Fan Energy Analysis
Comparing constant 24×7 operation vs intelligent occupancy-based fan modulation. This analysis shows how CO₂ and humidity sensor integration directly reduces operating costs — without compromising air quality.
40%
Annual fan energy reduction
5,256h
Runtime (vs 8,760h constant)
876 kWh
Annual energy saved per unit
Fan Energy — Smart vs Constant Operation
| Mode | Avg Power | Annual Hours | Annual Energy | Annual Cost |
|---|---|---|---|---|
| Constant 24×7 (base case) | 0.25 kW | 8,760 hrs | 2,190 kWh | ₹21,900 |
| Smart occupancy-based (60% avg) | 0.25 kW | 5,256 hrs | 1,314 kWh | ₹13,140 |
40%
Annual fan energy saved via smart control
₹8,760
Annual savings per unit (at ₹10/kWh)
Monthly DX Operating Schedule — Mumbai
| Month | Season | DX Hrs/Day |
|---|---|---|
| Jan–Feb · Nov–Dec | Winter | 2 hours |
| Mar–Jun | Summer (peak) | 10 hours |
| Jul–Sep | Monsoon | 5 hours |
| October | Post-Monsoon | 4 hours |
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