Trane Air filter systems and air cleaners provide a revolution in cleaner air. At Trane, we don't just work to make sure your home's air is warm or cool. We work to make sure it's as clean and comfortable as it can be. With our breakthrough TRANE CleanEffects™ air filtration system, providing your family with the cleanest air in the industry is just a phone call away (contact your independent Trane dealer for installation details). A blessing for asthma and allergy sufferers, it can remove up to 99.98% percent of airborne allergens from your home's air as it's heated or cooled. And Trane CleanEffects™ is now proven to remove more than 99% of the common flu virus from your home's filtered air.