Breezo Improves Indoor Air Quality Breezo is committed to improve your indoor air microflora by spreading our probiotic mist in air ducts. Using ultrasonic technology, our products are taken along through HVAC systems as well as in spaces providing fresh, clean and healthy air. No HVAC system available? Don't worry, use one of our stand alone models. While doing so, test have shown up to 93% decrease in allergens (dust mite, cat & dog). Our products also have an impact on molds, pathogens & bad smell. Reach out today for more info!