Chennai's electricity tariffs have increased significantly in the last decade. The average 4BHK household now pays ₹4,000–₹8,000 per month. Smart home automation, done right, can reduce that by 25–40%.
1. Occupancy-Based Lighting
Motion sensors detect when a room is empty and automatically turn off lights after a set delay (5–10 minutes). Studies show lights are left on in unoccupied rooms for an average of 2–3 hours per day.
Monthly savings: ₹400–₹800
2. AC Scheduling and Temperature Intelligence
Air conditioning is the single largest electricity consumer in a Chennai home — often 40–60% of the total bill. Smart AC control allows you to:
- Schedule ACs to auto-off 30 minutes before you wake up
- Set temperature to increase to 26°C after midnight (every 1°C higher = ~6% less power)
- Automatically turn off ACs when windows or doors are left open
- Geofencing — AC turns on 20 minutes before you reach home
Monthly savings: ₹800–₹2,000 depending on number of ACs
📊 Real data: A client in T Nagar reduced their electricity bill from ₹6,800 to ₹4,400/month after Visil Tech installation — a 35% reduction. Payback period: 20 months.
3. Standby Power Elimination
TVs, set-top boxes, routers, and chargers consume 5–15W each on standby. Smart plugs with schedules can eliminate all standby power during sleeping hours.
Monthly savings: ₹150–₹300
4. Water Heater Scheduling
Geysers are typically left on for hours but used for only 15–20 minutes. A smart schedule that turns the geyser on 20 minutes before your shower eliminates all idle heating energy.
Monthly savings: ₹200–₹500
Total Potential Savings
For a typical 4BHK villa in Chennai with 3 ACs, smart home automation can save ₹1,500–₹3,500 per month. A ₹2,00,000 installation pays itself back in 5–10 years — and the system lasts 15–20 years.
To find out exactly how much you can save, book a free energy audit with our team. Call +91 89397 09676.
