Want to ensure the air quality in your home is as clear as it can be? Follow these steps so you can breathe a little sigh of relief. When you’re shopping for a filter, pay attention to the ratings—the higher the rating, the more and smaller particles that it can trap (for example, some highly rated filters can trap smoke and virus particles), Essex explains. So you never forget to change your filters again, sign up for The Home Depot’s convenient air filter subscription service and get free delivery—plus, they have the pros you need to evaluate your system’s health and work on any necessary tuneups, all at your fingertips. For more services to help you maintain your living space, visit Home Services at The Home Depot here. The Home Depot is licensed and stands behind our installation work. Learn more here.