


Wake up to the comfort of your dreams every morning. With higher energy efficiency, premium technology and a smart thermostat, Armstrong Air® Pro Series™ systems give you the highest degree of control over your home environment.
Longer, gentler run cycles offer enhanced air filtration, lower humidity, quieter noise levels and more consistent comfort
Highly efficient Pro Series™ systems help reduce your energy bills without sacrificing performance
Get unmatched convenience and control over your home environment with the Comfort Sync® A3 Ultra-Smart Thermostat.
Explore the Comfort Sync® A3This fully intelligent thermostat syncs with your daily schedule, so you can spend less time tinkering with settings, and more time enjoying your home.
Access your home's temperature control from your smart phone with the Comfort Sync® app and enjoy voice-activated convenience with Amazon Alexa1 and Google Assistant2 devices.
Get targeted heating and cooling to up to four different areas of your home, helping reduce energy use and deliver personalized temperatures for your whole family.
These true variable speed systems run on longer, more efficient cycles to reduce wear and help your system last longer. The Comfort Sync® A3 Ultra-Smart Thermostat communicates with each component, making minute adjustments to ensure your entire system is always working in harmony for your ideal environment. Plus, it sends regular maintenance reminders to your smart phone, while also providing easy-to-access diagnostic information for dealers, which can mean fewer—and faster—maintenance calls.
1 Comfort Sync® A3 is compatible with Armstrong Air HVAC products and requires separate purchase of Amazon Echo or Echo Dot. As of the date of this publication, Amazon Echo devices are not available for purchase in all countries. This reference is intended for use with US-based thermostats only. Amazon, Alexa and all related logos are trademarks of Amazon.com, Inc. or its affiliates.
2 Google is a trademark of Google LLC.