Upgrade to the Applied Comfort 16 PTAC Today When it’s time to replace your American Air Filter/Nelsonaire Series 16 PTAC units, the Applied Comfort 16 PTAC offers the perfect combination of efficiency, versatility, and value. From multiple cooling options to future-ready designs, these units deliver performance and reliability that you can count on. Contact us today at 800-866-1210 or fill out the contact form to get started today! Trust Air Distributors to provide the solutions you need, backed by decades of expertise and a commitment to excellence.