15 houseplants for improving indoor air quality. 15 House Plants You Can Use As Air Purifiers. Posted by admin on Thursday, February 18, 2010 · 68 Comments Here are 15 plants that could clean your air for just the price of a few drops of water each day.
First lets check some of the evidence behind the claim that plants can purify your household air: 1. NASA Research. Keyhole Gardens. Keyhole Gardens First made popular in Africa, keyhole gardens are catching on in Texas and other hot, dry places.
Keyhole gardens hold moisture and nutrients due to an active compost pile placed in the center of a round bed. Although most helpful in hot and dry locations a keyhole garden will improve growing conditions in just about any climate.