In 2010 the pricy 60 watt equivalent LED bulb that I stuffed relatives' Christmas stockings with cost $40/bulb. This year CREE has a new 60 watt equivalent bulb out. The soft white variety costs $7.97 at Home Depot--the whiter, daylight style light, a buck more.
The bulb is built in the USA, pa rum pum pum pum.
It's 11 watts, pa rum pum pum pum.
It saves 71 kilowatt hours a year, pa rum pum pum pum (if lit 4 hours a day).
You'll burn 53 pounds less coal each year, pa rum pum pum pum.
The candle like tower within the bulb has LED chips around it that distribute its 850 lumens better than former designs. The unobtrusive, shark-gill-like cuts in the case allow air to flow through the bulb keeping its LED chips cooler and extending their life.
The bulb dims without buzzing if you use the dimmers listed on the bulb's web site. They contain no mercury to complicate recycling.
Cree's web site has a calculator for determining cost-efficiency. I ran it, learning that if I burn a bulb for 2 hours a day, it pays for itself in energy saved within two years. If the bulb is lit four hours a day, the reduction in energy use will pay for it within a year (at Colorado rates of $0.1187 cents/kWh). That's well within the 3 year warranty and 25,000-hour rated life.
For 20 more years your savings will swell, pa rum pum pum pum.
Till your bulb fails and goes to hell, pa rum pum pum pum.
So to honor Him, pa rum pum pum pum.
Just change a light for Him, pa rum pum pum pum,
When you come.
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