Why does our HVAC system run constantly after hours and spike our energy bill?
Your HVAC likely runs after hours because the thermostat schedule is wrong, a faulty sensor keeps calling for heating or cooling, or…
See the fixFix Library
Industrial & Workplace Energy
Practical, step-by-step fixes for industrial & workplace energy problems — 64 published so far.
Why does our main breaker trip when the air compressors start up?
Your main breaker trips because the combined inrush current from multiple air compressors starting simultaneously exceeds the breaker's instantaneous trip threshold, especially…
See the fix
Why does our packaging line conveyor keep tripping the 20-amp breaker every afternoon?
Your conveyor likely trips the breaker because afternoon heat raises motor current above the 20‑amp limit, especially if the circuit also feeds…
See the fix
Why does our warehouse HVAC keep running after closing time?
Your HVAC runs after hours because the thermostat schedule is wrong, a faulty sensor keeps calling for cooling, or the economizer damper…
See the fixWhy does our warehouse LED lighting flicker when large motors start?
Your warehouse LED lights flicker when large motors start because the motor inrush current causes a voltage drop on the shared circuit,…
See the fixWhy does our warehouse LED lighting flicker when the forklift chargers start?
Flickering warehouse LEDs when forklift chargers start usually means the chargers' inrush current causes voltage sags on a shared circuit. The fix…
See the fixWhy does our warehouse lighting flicker when heavy machinery starts up?
Flickering lights when large motors start usually means voltage drops from inadequate wiring, undersized transformers, or loose connections that can't handle the…
See the fix
Why is our commercial electric bill's demand charge so high this month?
Your demand charge spikes because multiple high-power machines start simultaneously, creating a short 15-minute peak that sets the monthly rate. Check your…
See the fix
Why is our commercial electricity bill still high after upgrading to LED lighting?
Your bill stays high because demand charges — fees for your peak 15-minute usage — often outweigh lighting savings, and hidden loads…
See the fixWhy is our commercial HVAC system running continuously after hours and driving up demand charges?
Your HVAC likely runs after hours because the thermostat schedule is misconfigured, the building automation system has an overridden schedule, or a…
See the fix
Why is our facility getting hit with high power factor penalties on the electric bill?
Your facility is drawing too much reactive power, triggering a utility power factor penalty. This happens when inductive loads like motors and…
See the fix
Why is our facility getting hit with high power factor penalties on the utility bill?
Your facility likely has a low power factor caused by inductive loads like motors and transformers drawing reactive power, which utilities penalize…
See the fix