LED Lamps - Havells-Sylvania
LED Lamps - Havells-Sylvania
LED Lamps - Havells-Sylvania
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Cost of energy per yearHalogen and CFL versus <strong>LED</strong>Incandescent and halogen versus <strong>LED</strong>€400 €35€25€300€20€200€15€10€100€5€0€0Halogen 50WCFL 9W<strong>LED</strong> 5.5WGLS Incandescent40WClassic Eco Halogen28WGLS <strong>LED</strong> 10WCost of energy per year =lamp wattage1000x burning hours x 365daysyearx energy cost€KWhx number of lampsCost of enery per year for 50W halogen GU10 lamps =50W1000x 11 h / day x 365 x 0,17 €/Kwh x 500Your return on investmentTotal cost for professional use 11hrs a day or 4,000 hours a year =Break-even in < 14 monthsTotal cost of ownership (€)€40€35€30€25€20€15€10€5€0Payback interval