How Much Does it Cost to Repair a Generator?

The average cost to repair a generator is $260. Higher-end models can cost up to $2000 to repair. The price to repair your generator will depend on its size and type, or on the part that needs repair.

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  1. Free expert virtual diagnosis

  2. $50 for a remote fix. No fix? No charge.

  3. Get a pro to help in person

Repair Cost Factors

These are the main factors that will determine the cost for repairing your generator:

Size

The bigger the generator, the higher the repair price tag will be. The size of your generator corresponds with the amount of energy (measured in kilowatts) it can deliver. Larger models that deliver between 22 and 45 kW of energy will cost more to repair than smaller models that deliver between seven and 20 kW of energy.

Type of Generator

Portable generators cost an average of $50 to repair and are more likely to malfunction from an energy overload, oil issues, overheating, or faulty spark plugs. Standby and whole-house generators can cost you up to $2000 to repair, and more commonly suffer from things like a controller malfunction, battery failure, and leaks.

Parts for Repair

Your generator has several parts, all working together to keep it alive – so if your generator stops working, one part is likely in need of repair or replacement. The price for that replacement part will depend on the size and type of your generator:

  • Stator and rotor: This part can cost anywhere between $250 and $1500 to repair or replace.

  • Carburetor: A loose gasket in your carburetor can be repaired for less than $50, while replacing your carburetor can cost you between $60 and $300.

  • Engine: This is one of the most important parts of your generator, and repairing its small parts can cost as little as $50, but prices can spike to $2000 if there’s a larger problem at hand.

  • Voltage regulator: Repairing or replacing this part of your generator can cost between $300 and $800

  • Transfer Switch: Repairing the transfer switch on your generator can cost you between $50 and $500, while replacing it entirely can cost between $1500 and $2000.

The different parts of your generator all come with different repair costs. While some repairs are more expensive than others, it’s important to fix the issue quickly so your generator can run smoothly again.

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