For instance, you could kiss your kids on their heads rather than their cheeks for a few days. You could ask your spouse to do bedtime stories and baths for a few nights. But obviously, you canât be so careful in your efforts to prevent germs from spreading that you feel like youâre shunning your kids.
If you grow short plants, you should definitely try LEDs. 1  The first series of costs on the chart represents an electricity cost of $0.12/kwH, or 12 cents per kilowatt hour (a kilowatt hour is 1,000 watts being used for one hour). 2  $0.12/kwH was the US national average cost for electricity in 2011.
With an electricity cost of 10.25 cents per. kilowatt-hour, the cost of running one bulb for its entire lifetime is $21.53. The total cost of purchasing. and using this 10.5-watt LED bulb for its entire lifetime is $31.53. Once again we evaluated the cost of this LED bulb being used for a fifteen year period, 49,500.