See the Whole Picture: Calculating True Lighting Costs
Brightness is measured in lumens, not watts, and efficacy tells you lumens per watt—the real value metric behind cost-effective lighting solutions. Compare outputs, not just power draw, and comment with your favorite quick rule-of-thumb for picking efficient replacements.
See the Whole Picture: Calculating True Lighting Costs
LEDs typically quote L70, the point when output falls to 70% of initial brightness. Longer lifetime reduces ladder time, replacement costs, and disruptions. Estimate annual run hours, then calculate how fewer swaps amplify savings over years.
See the Whole Picture: Calculating True Lighting Costs
A 24/7 corridor replaced humming tubes with efficient LEDs and an occupancy sensor. Lights dimmed when empty, brightened on arrival, and electricity costs plummeted. Payback arrived in months, and tenants noticed quieter, cleaner light instantly.
See the Whole Picture: Calculating True Lighting Costs
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