Check your speedCFL Calculator for iPhone helps the environment and save money by converting from incandescent light bulbs to compact fluorescent bulbs. It is easy to get bogged down in the calculations - kilowatt hours, hours of use, and watt differentials. Simply type in your average light bulb usage time per day, the cost/kilowatt hour from your utility bill, and the number of light bulbs of each type that you are replacing with CFLs - and you will get an annual energy bill savings calculated for you instantly.
Did you find this download useful?
