Ronda S New Berlin , IL September 13, 2025 Appliance: General Electric General Electric GFE29HMDAES Ge Refrigerator Gfe29hmdaes / : Struggling to keep cool in the fridge section. How to replace Refrigerator Defrost Heater. Since I was opening the case up, I replaced all items involved in the task. Fan, heater and heater thermostat. Went well. Waiting for box to drop in temp currently. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes