Heating, Cooling & Air
Read our buying advice for humidifiers and air purifiers. See our Ratings of room and whole-house air purifiers (available to subscribers) to find the right model for you.

Hunter 2.2 Gallon Care-Free Humidifier, $40, Lowe’s
Hunter 2-Gallon Cool Mist Humidifier, $30, Lowe’s
Hunter QuietFlo 245 Air Purifier, $149, Lowe’s
Ionic Pro Air Purifier With Bonus Car Air Purifier, $70, Ace Hardware
Patio Heater (41,000-Btu) With Variable Heat Control, $99, Home Depot
Permalife Large Room Air Purifier, $249, Lowe’s
Permalife Mini Tower Air Purifier, $90, Lowe’s