The average cost of repairing a dryer is around $100 to $400, which will generally cover most drum issues (such as a broken belt), a faulty thermostat, or clogged vents. If youre unsure whether or not a repair is worth it, refer to the 50% rule. The 50% rule means that you shouldnt spend more than 50% of the cost to replace an appliance. Mar 08, 2021 Washing Machine Repair Cost . Issues with washing machines cost between $150 and $300 when repaired by a professional. The cost of the repairs depends on the type of problem and the parts required to make the repairs. The type of washing machine you need repairs for will also play a role in the cost of repairs. Repair costs can vary based on type of appliance, severity of damage, and your geographic location. On average, dishwasher repairs cost $150-$220, washer and dryer repairs cost $200-$265, and fridge repairs cost $230-$300. Click for a full list of estimated appliance repair costs.