Shuab A Jersey City , NJ December 31, 2023 Appliance: General Electric Room Air Conditioner AZ65H07DABW2 Ge Room Air Conditioner Az65h07dabw2: When I selected for heat you could hear the unit switch over, but you would not feel any heat. How to replace Heater Assembly 230V. I replaced the heater assembly and it works fine. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes