Energy Waste Quick-Scan Checklist

The 5 Stacks Framework

Walk the floor. Check each item. Estimate the monthly cost of any waste you find. Pick the biggest one and fix it this week. At current energy prices, even small fixes pay back fast.

Time required: ~30 minutes on the floor + 15 minutes calculating.

Equipment running outside production
Machines left running overnight or on weekendsCheck: are any powered up with no one operating them?
Est. €/month
Lights on in unoccupied areasWarehouses, offices, break rooms, parking areas
Est. €/month
HVAC running in empty spacesHeating/cooling areas nobody's working in
Est. €/month
Compressed air
Audible leaks in compressed air linesWalk the line with production stopped. Listen for hissing.
Est. €/month
Compressor running at full pressure when partial would doCheck: is the system pressure set higher than equipment requires?
Est. €/month
Heating & cooling
Heating and cooling running simultaneouslyOne system fights the other. Common in older buildings with zone overlap.
Est. €/month
Doors/docks left open while conditionedEspecially loading docks and warehouse entrances
Est. €/month
Thermostat set beyond necessary rangeEvery degree matters. Check actual vs. needed.
Est. €/month
Idle running & standby
Equipment idling between jobsPowered on, consuming energy, producing nothing
Est. €/month
Chillers or ovens cycling too frequentlyCycling = energy spikes. Check if insulation or controls need attention.
Est. €/month
Extraction / ventilation running when not neededCheck if it's on a timer or always on
Est. €/month

Biggest waste found

What is it?
Estimated monthly cost
Fix — what needs to happen?
Who owns it? By when?