How Do I Know My Clear Comfort System Is Working?
Clear Comfort’s residential systems come equipped with LED indicator lights to help you know if your system is operating properly. Light Functionality:

- Green Light:
- System is on and operating properly.
- Yellow Light:
- Cartridge Unit has reached 80% of its life expectancy (8,000 hours) and it’s time to purchase a replacement cartridge.
- To exchange your Cartridge Unit, please visit: clearcomfort.com/cartridge
- Red Light:
- The Cartridge Unit has reached its life expectancy and needs to be replaced.
- Blue Light:
- Operation light that should always be illuminated.
