Homework Assignment:
1. Count how many light bulbs you have in your home.
(DonŐt forget closet spaces. Include the garage. Note what kind of bulb it is. Note which ones are clustered together in one fixture.)
Room Incandescent Halogen Fluorescent
2. How many light bulbs is that per square foot? Find out the number of square feet in your home and divide it by the number of total light bulbs you have.
3. How much money would you save for 10,000 hours of electricity if you replaced each incandescent bulb with a compact fluorescent? (Assuming you are using Standard light bulbs, which cost $65.80/10k hours, and compact fluorescent bulbs cost $17.76/10k hours.)