A ductless minisplit is a type of air-source heat pump that can provide space heating as well as air conditioning. Most of the ductless minisplits sold in the U.S. are manufactured in Japan or South Korea; the best known brands are Daikin, Fujitsu, and Mitsubishi
This Graphic Shows the Best Air-Cleaning Plants, According to NASA
houseplants, NASA, Clean Air Study, air filtering houseplants, infographic, reader submitted content, houseplants improve air quality, ... these plants can only help to keep the air clean. Mold in the soil could counteract any benefit.
Indoor plants help soak up bad air, removing airborne toxins and pollutants that regularly find their way into your home, Knowing where in your home to place houseplants will help create a good natural defense against indoor air pollution. Read more at The Home Depot Garden Club.