Replaces a failed defrost heater, thermostat, or timer. The defrost system periodically melts frost off the evaporator coil; when it fails, ice builds up and blocks airflow.
Sorted by total cost — service call plus repair.
If the diagnosis turns up something not in the price book, the contractor will send you a written estimate through the app before they start any work. You approve, decline, or ask questions. No approval, no charge beyond the service call fee.