The best air purifiers can help filter fine particles, gases and other pollutants from the air you breathe. See our top picks ...

Does your water taste a little funky? Does it smell like chlorine? A whole house water filtration system, which is installed where your main water line enters your house, may be the solution.

plus quietness for room purifiers and airflow resistance for whole-house units. Dust/pollen/smoke removal: How well models cleared air of fine clay dust and cigarette smoke. Ones that scored well ...