Ecobee ecobee SmartThermostat with Voice Control and Alexa Built-In FILTER-REMIND Error Fix: Furnace Filter Reminder

Error code FILTER-REMIND on the Ecobee ecobee SmartThermostat with Voice Control and Alexa Built-In means: Furnace Filter Reminder. The thermostat is alerting that it is time to check and replace the HVAC air filter based on the configured reminder interval — a dirty filter restricts airflow, reduces efficiency, causes the system to work harder, and can trigger high limit switches or freeze evaporator coils

The most successful fix is "Calibrate or Replace Air Quality Sensor and Reset Filter Reminder" (medium difficulty, ~45 minutes). Estimated DIY cost: $0-$20. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Calibrate or Replace Air Quality Sensor and Reset Filter Reminder") is rated medium difficulty and takes about 45 minutes. Tools needed: Small Phillips screwdriver, Soft brush, Compressed air canister.

DIY cost: $0-$20. Professional repair typically costs $100-$180. Many homeowners save money by trying the top-ranked community fix first.

The Ecobee ecobee SmartThermostat with Voice Control and Alexa Built-In has 8 other known error codes, including: APP-SYNC (App and Thermostat Out of Sync), AUX-OUTDOOR (Auxiliary Heat Outdoor Temperature Alert), AUX-RUNTIME (Auxiliary Heat Runtime Alert), BLOWN-FUSE (HVAC Control Board Fuse Blown), COOL-FAIL (Cool Not Reaching Set Temperature), and 3 more.

Error code FILTER-REMIND also appears on 5 other Ecobee models: ecobee Smart Thermostat Enhanced with Radar Occupancy Sensor and Large Touchscreen, ecobee Smart Thermostat Essential with Touchscreen Display and eco+ Smart Features, ecobee Smart Thermostat Premium with Siri and Alexa Built-In, Air Quality Monitor, and SmartSensor Included, ecobee3 Lite Smart Thermostat, ecobee4 Smart Thermostat. The fix may vary by model, so check each model's specific page for tailored repair steps.