- Douse cotton balls with your favorite oils, and place them in the air vents of your home.
- Place a damp cloth with a few drops of oil on or near the intake duct of your heating and cooling system.
- Make your own potpourri by adding essential oils to cedar chips.
- Place a bowl of water and a few drops of your favorite oil on a wood stove.
Excerpted from Organic Housekeeping by Ellen Sandbeck. Copyright 2006. Reprinted by permission of Scribner, an imprint of Simon & Schuster, Inc.
NEXT: More ideas for greening your home >>