Refrigerator & Freezer Defrost Heater Replacement Cost (U.S., 2026)
Estimated $100–$400 for a defrost heater replacement in the U.S., depending on the appliance and the exact fault. Built from 5 sourced repair jobs across 2 appliance types — each row keeps its own sources. Reviewed July 2026.
What a defrost heater replacement costs, by appliance and fault Estimated
Each row is a real sourced repair job whose description matched this part. Parts and total are that job's own national range — follow the problem link to localize it to your area.
| Appliance | Problem | Repair | Parts | Total | DIY |
|---|---|---|---|---|---|
| Refrigerator | Not cooling | Defrost system repair (defrost heater / thermostat / timer) | $30–$120 | $150–$400 | Pro recommended |
| Refrigerator | Frost or ice buildup | Defrost heater replacement | $30–$100 | $150–$380 | Pro recommended |
| Freezer (Chest / Upright) | Runs constantly | Defrost heater / thermostat replacement | $20–$90 | $100–$250 | Pro recommended |
| Freezer (Chest / Upright) | Frost or ice buildup | Defrost heater replacement | $20–$90 | $100–$250 | Pro recommended |
| Freezer (Chest / Upright) | Leaking water | Defrost heater / drain-heater repair | $20–$90 | $100–$260 | Pro recommended |
Base: 7 published national repair-cost guides (full source registry on the methodology page) · National base ranges — localize any figure on its linked problem page · Reviewed July 2026 · Estimated
Related appliance cost guides
The full cost guide for each appliance a defrost heater replacement shows up in:
Estimated national ranges aggregated from the linked problem pages — no per-page localization is applied here. See the methodology for the localization method and named sources.
Reviewed by a Red-Seal certified appliance technician.