Armstrong Air ComfortSync®A3 Thermostat Thermostats and Controls.

Enjoy sophisticated system management, unprecedented control and exceptional energy savings with a Comfort Sync® thermostat. It’s the best way to get the most out of every part of your Armstrong Air system.

App Controlled

Enables you to monitor and control temperatures and settings from anywhere in the world using an innovative app and your compatible smart device.

Voice Activated

Compatible with Amazon Alexa* and Google Assistant†, the thermostat enables you to fine-tune your comfort with a simple voice command.

Away Sync™

Uses the GPS in your smartphone to detect when you’re leaving and automatically changes the temperature to a more energy-efficient setting. It also detects when you’re coming back home, returning the temperature to its normal set point.

Schedule Sync™

Means you only need to program your thermostat once. Whenever there’s a change in your routine, the thermostat adapts heating and cooling to match.

Touchscreen Operation

The bright, high-definition touchscreen uses simple menus and icons to make even complex operations incredibly easy.