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Overview

Yes, you need to replace your incandescent bulbs with Compact Flourescent Lamp (CFL) bulbs. Incandescent light bulbs convert 90%  of the energy they consume to wasted heat.

CFLs last more than 10 times longer and require 75% less power than incandescent light bulbs to produce the same amount of light. And because CFLs produce light at temperatures below 100 degrees F, they have less impact on your cooling costs during summer months.

If you’re like me, you like to see the details. Just use the calculator below to get a sense of the savings possible.

There’s a reason why this is one of our first projects. Depending on how aggressive you are in replacing your inefficient bulbs with CFLs, you may notice a reduction in your utility bills the very first month.

In this project, you’ll replace your inefficient bulbs and start saving today.

Difficulty: Easy (about 1 hour)

Tools Needed: None

Resources Needed: Assortment of CFL Bulbs ($1-$4 each)

Action Steps

1. Count the number and type of bulbs needed.

Walk from room to room, counting the number and wattage of bulbs as you go. Don’t forget to include the garage (opener bulbs) and exterior lights.

2. Plug the count into the CFL Savings Calculator.

Once you enter the count of bulbs you can replace in the calculator below, you’ll have all the inspiration you’ll need to stop by Home Depot on the way home tomorrow.

3. Select the right CFL bulbs.

There is a wide variety of CFL bulb types and colors. Check out this guide to help select the right type of CFL bulbs for your home.

4. Make an effort to turn off lights when leaving a room.

What’s better than an efficient light bulb? A light bulb that isn’t consuming power at all.

How much can you save by switching to CFL?

Yesterday’s project: Know Your Home

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