Thermostat Replacement Cost — Oven, Refrigerator & More (U.S., 2026)
Estimated $75–$400 for a thermostat replacement in the U.S., depending on the appliance and the exact fault. Built from 16 sourced repair jobs across 5 appliance types — each row keeps its own sources. Reviewed July 2026.
What a thermostat 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 | Freezer cold but refrigerator warm | Defrost system repair (heater / thermostat / bi-metal) | $30–$120 | $150–$400 | Pro recommended |
| Refrigerator | Freezing food (too cold) | Temperature control thermostat replacement | $20–$90 | $100–$300 | DIY possible |
| Refrigerator | Runs constantly | Defrost system repair (heater / thermostat) | $30–$120 | $150–$400 | Pro recommended |
| Refrigerator | Frost or ice buildup | Defrost thermostat / bi-metal replacement | $15–$60 | $120–$320 | Pro recommended |
| Refrigerator | Not running / no power | Temperature control thermostat / cold control replacement | $20–$90 | $100–$300 | DIY possible |
| Dryer | Not heating | Thermostat / thermal cut-off replacement | $10–$60 | $100–$300 | DIY possible |
| Dryer | Takes too long / not drying | Moisture sensor / thermostat replacement | $10–$60 | $100–$300 | DIY possible |
| Dryer | Stops mid-cycle / shuts off | Cycling thermostat / thermistor replacement | $10–$60 | $100–$300 | DIY possible |
| Dryer | Overheating / too hot | Cycling thermostat replacement | $10–$60 | $100–$300 | DIY possible |
| Dryer | Overheating / too hot | High-limit thermostat / thermal cut-off replacement | $10–$50 | $90–$260 | DIY possible |
| Dishwasher | Not drying dishes | High-limit thermostat / vent-fan replacement | $15–$90 | $100–$260 | DIY possible |
| Over-the-Range Microwave | Vent fan not working | Fan control / thermostat replacement | $10–$60 | $100–$250 | Pro recommended |
| Freezer (Chest / Upright) | Not freezing / too warm | Thermostat / cold control replacement | $15–$70 | $75–$200 | DIY possible |
| Freezer (Chest / Upright) | Frost or ice buildup | Defrost thermostat / timer / control replacement | $15–$90 | $100–$260 | Pro recommended |
| Freezer (Chest / Upright) | Not running / no power | Cold-control thermostat replacement | $15–$70 | $75–$200 | DIY possible |
| Freezer (Chest / Upright) | Temperature fluctuating | Cold-control thermostat replacement | $15–$70 | $75–$250 | DIY possible |
Base: 7 published national repair-cost guides (full source registry on the methodology page), published rates from 1 local repair company · 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 thermostat 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.