
Air purifiers have become popular household devices in the last few years. An air purifier is designed to filter out particles from the air and cleans the air of everything from dust and other airborne particles to common allergens such as pet dander and cigarette smoke. Choosing a good air purifier, however, requires a little understanding of how they work and what standards they have to meet. Here are a few things our real estate agents recommend knowing before you buy an air purifier.