My Real Estate Blog

It's that time of year when houses shine a bit brighter. Ever wonder how much the decorative holiday lights add to a monthly electric bill? Here's an easy way to help calculate energy costs this holiday season.

  • Count the bulbs on all of your decorative indoor and outdoor lights.
  • Check the wattage per bulb.
  • Multiply watts per bulb by number of bulbs. (1 watt per bulb x 1,000 bulbs = 1,000 watts).
  • Convert watts to kilowatts - 1,000 watts = 1 kilowatt (kw).
  • Estimate the hours per month the lights are on. (5 hours per day x 30 days = 150 hours)
  • Multiply the total kilowatts by the total number of hours the lights will be on to get the total kilowatt-hours (kwh). For example, 1 kw x 150 hours = 150 kwh.
  • Multiply the total kilowatt-hours by the total cost of electricity per kwh. (150 kwh x $0.14 per kwh = $21) In this example, the cost of holiday lighting would be an additional $21 per month.

Reprinted with permission of RISMedia, publisher of Real Estate Magazine


Posted by Adam Mallory on December 16th, 2009 12:14 PMPost a Comment (0)

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