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With $10M/Hour Shutdown Costs Ruling Out Traditional Retrofits, Amazon Deployed Brainbox AI to Cut HVAC Energy Without Disrupting Operations
Many energy optimization projects assume you can take a building offline for a window of work. For Amazon, that assumption was a non-starter. A typical fulfillment center generates roughly $10 million in revenue per hour, which means any strategy has to save energy without ever turning the building off.
At NexusCon 2025, Niharika Kishore, Senior Sustainability Specialist at Amazon, walked through how the company is extracting HVAC energy from its 800-million-square-foot operating portfolio. HVAC is a 30–40% base load across Amazon's 4,000-plus buildings in North America. The Climate Pledge target (net zero by 2040) depends on attacking that load. But every traditional retrofit playbook assumes downtime, and Amazon doesn't have downtime to give.
To solve the problem, a software overlay from Brainbox AI, which sits above Amazon's existing BMS, reads the data and writes optimized setpoint commands back to the controls. It doesn't replace the BMS or fully take over control authority. Site teams keep their override capability. And the overlay can be toggled on or off at any time.
That toggle does double duty as an M&V mechanism. "We can run the AI for one week, off for one week, and pull cooling stages, fan stages, compressor cycling, and runtime data straight from the control system," said Blake Standen, Director of Technical Sales at Brainbox AI. The on vs. off data helps demonstrate energy reduction within weeks, well before the six-month formal M&V plan is completed.
The same toggle has a second use. Amazon has peak operational periods when external systems must step aside and let the building run unimpeded. The overlay disengages cleanly, then re-engages when the peak passes. Think of the Christmas delivery rush, and making sure that nothing hinders the fulfillment center's operations.
For owners with shutdown costs that make traditional retrofits infeasible, advanced supervisory control overlays that sit on top of existing controls offer an opportunity to further energy savings without major intervention.
Register for the next Nexus Labs event.
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Many energy optimization projects assume you can take a building offline for a window of work. For Amazon, that assumption was a non-starter. A typical fulfillment center generates roughly $10 million in revenue per hour, which means any strategy has to save energy without ever turning the building off.
At NexusCon 2025, Niharika Kishore, Senior Sustainability Specialist at Amazon, walked through how the company is extracting HVAC energy from its 800-million-square-foot operating portfolio. HVAC is a 30–40% base load across Amazon's 4,000-plus buildings in North America. The Climate Pledge target (net zero by 2040) depends on attacking that load. But every traditional retrofit playbook assumes downtime, and Amazon doesn't have downtime to give.
To solve the problem, a software overlay from Brainbox AI, which sits above Amazon's existing BMS, reads the data and writes optimized setpoint commands back to the controls. It doesn't replace the BMS or fully take over control authority. Site teams keep their override capability. And the overlay can be toggled on or off at any time.
That toggle does double duty as an M&V mechanism. "We can run the AI for one week, off for one week, and pull cooling stages, fan stages, compressor cycling, and runtime data straight from the control system," said Blake Standen, Director of Technical Sales at Brainbox AI. The on vs. off data helps demonstrate energy reduction within weeks, well before the six-month formal M&V plan is completed.
The same toggle has a second use. Amazon has peak operational periods when external systems must step aside and let the building run unimpeded. The overlay disengages cleanly, then re-engages when the peak passes. Think of the Christmas delivery rush, and making sure that nothing hinders the fulfillment center's operations.
For owners with shutdown costs that make traditional retrofits infeasible, advanced supervisory control overlays that sit on top of existing controls offer an opportunity to further energy savings without major intervention.
Register for the next Nexus Labs event.
Sign up for the newsletter to get 5 stories like this per week:
This is a great piece!
I agree.