As the clock strikes 6 PM and employees begin leaving the building, the HVAC system, often the largest energy consumer in any facility, continues to run along as if nothing has changed.
This isn’t just an operational oversight. It’s an expensive habit that drains energy, inflates power bills, and increases your facility’s carbon emissions every single day.
The Hidden Cost of Post-Working-Hour HVAC Usage
In a typical commercial facility, be it a bank branch, corporate office, retail showroom, or educational campus, HVAC systems are designed to maintain comfort during operating hours. But due to a lack of scheduling logic or centralized control, they often remain ON long after occupancy ends.
Consider this example:
A 10-ton HVAC unit consumes approximately 10 kW of power per hour. If left running unnecessarily for just 4 hours after closing, 5 days a week, this adds up to:
- 200 kWh per month
- At ₹10/kWh, that’s ₹2,000/month per unit
- For 10 such units, you’re looking at ₹20,000/month or ₹2.4 lakh annually—wasted on post-work cooling
This doesn’t include wear and tear on the equipment, increased maintenance, or added emissions.
Now scale that across multiple branches, buildings, or campuses, and the financial and environmental impact becomes substantial.
Why Does This Happen So Often?
Many facilities still rely on:
- Manual shutdowns by housekeeping or security teams
- Static timers that don’t align with actual occupancy
- Lack of visibility into real-time HVAC runtime
- No override or mobile-based control when plans change
This means HVACs are either left on by accident or programmed to run longer “just in case”—creating a significant energy blind spot.
How Smart Scheduling Solves the Problem
SIOTA’s HVAC automation platform eliminates this inefficiency by implementing intelligent schedules based on actual usage, time, temperature, and occupancy.
Our smart scheduling system allows you to:
- Define working and non-working hour profiles for different zones
- Automatically switch off HVAC systems when zones are unoccupied
- Override schedules remotely via mobile or web dashboard
- Receive alerts if HVAC systems run beyond configured schedules
- Monitor savings and emissions reductions via real-time data
These capabilities help you optimize comfort during the day and minimize wastage after hours, effortlessly.
Case Example: 15% Monthly Savings Just Through Scheduling
A client operating a mid-sized corporate office in Gurugram reduced their HVAC energy bill by 15% in the first month after switching to SIOTA’s schedule-based control system.
Previously, their systems ran until 9 PM even though the office emptied by 6:00 PM. With smart shutdowns, the savings were immediate and the team retained full control through web access in case overtime was needed.
Beyond Cost: The Sustainability Advantage
Every unit of electricity saved reduces your Scope 2 emissions. For companies tracking their ESG goals or targeting green certifications, HVAC automation is one of the fastest, most cost-effective ways to show measurable improvement.
Instead of investing in expensive new equipment, you can unlock sustainability gains from the systems you already have.
Don’t Miss: How One Dashboard Can Streamline All Your Facility Utilities
Ready to Stop the Post-6 PM Energy Drain?
If your facility is running HVAC systems longer than needed, SIOTA can help you fix it with no infrastructure overhaul. We offer a 30-minute live demo where we walk you through how automated HVAC scheduling can work in your specific building.
📞 9873270427
✉️ hina@siota.in
🌐 www.siota.in
Let us help you convert those post-work hours from wasteful to smart.
