A spoonful of dust makes the light output go down...

Mar 17

Written By Frank Caputo

“Dust light fixtures regularly. A heavy coat of dust can block up to 50 percent of the light output. ‘

https://www.powerhousetv.com/EnergyEfficientLiving/EnergySavingTips/101WaysToSaveEnergy?utm_source=WS&utm_campaign=Energy-EfficientLiving/Energy-savingsTips/027471

dustspring cleaninglightslightingoutputreducedcleanmr clean50 percent

One bulb to light them...

Feng Shui for efficiency