Barry's blog

Halogen versus LED (Part 4: Operational Comparison)

The method for comparing operational costs for our example commercial halogen system (mentioned in Part 1) takes several factors into account. In evaluating the approach for converting our halogen system to LED, the number of fixtures, the total loads (in watts), the number of times lamps need to be replaced, and the labor required to provide the needed service. The time of operation for lighting systems, on the project, is assumed to be 6 hours each day, and the cost of lamps is calculated at normal home improvement store market rates.

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