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.
For 12 light sockets over 10,000 hours of use per socket, the total cost of using 60 watt incandescent bulbs is $918.90. For 12 light sockets over 10,000 hours of use per socket, the total cost of using 13 watt CFLs (which produce light similar to the 60 watt incandescents) is $219.90.ver 120,000 hours of use (10,000 hours per socket), a 60 watt incandescent will use 7,200 kWh of energy. At an average price per kilowatt hour nationwide of about $0.12 per kWh, it would cost him $864 over that span. Over that same timeframe, a 13 watt CFL will use 1,560 kWh of energy.