Generator Maintenance

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Reliable Generator Maintenance in Knoxville

Don't let your generator gather dust between uses

Routine generator maintenance ensures your backup power system works when you need it most. At Quality, we provide expert maintenance services to help prevent unexpected failures, extend your generator’s lifespan, and keep it running at peak efficiency. Whether you own a whole-home, portable, or commercial generator, we offer customized service plans to keep your power system ready for any outage.

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Why Regular Generator Maintenance is Important

Routine generator maintenance helps prevent unexpected failures and keeps your system running efficiently. Proper servicing extends the lifespan of your equipment, reduces repair costs, and ensures it operates safely. Regular inspections also help meet safety codes, especially for commercial properties, while optimizing fuel usage for reliable backup power.

Some of  Our Generator Maintenance Services

Full Generator Inspection & Performance Testing

Checking components for wear, leaks, and damage.

Battery Testing & Replacement

Ensuring reliable startup when power is lost.

Fuel System Inspection & Cleaning

Checking fuel lines, replacing filters, and preventing moisture buildup.

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Hundreds of Verified Google Reviews

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"Everyone at Quality Plumbing, Heating, Cooling and Electrical are always awesome to work with. Have a rental property that had water line leak issues! Called this morning and by this afternoon issues were professionally repaired! I will always use their services."

Gregory Payne


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"Called Quality late afternoon on Friday and within a short time, dispatched called and said a Technician could be here in 20 min. I could not have been more pleased with Quality and the 2 technicians. They will definitely be my “go to” for any issues we have in the future."

Debra Ball

"Great next day service. Checked everything on my heat pump found the leak and gave me 2 options to repair or replace whole unit. The tec was friendly and answered all my questions and concerns. So glad I called."

Jennifer Golak

"He did a good job very thorough, both of our toilets were clogged, Cole Gicks and his trainee checked our sewer line also used in auger on both toilets and everything is flushing, Great teamwork and very affordable."

Debra Pope

"Highly recommend Quality Plumbing. Very prompt service. Call when technician is on the way. Have used several times and always well pleased. Thank you Andrew! Job well done and appreciated."

Joyce Mullins

"Super polite and professional and their shoe cover game is A++. On in the house, off when outside and up in the attic, then back on again when they came out of the attic. I greatly appreciate their care!"

Jan Uetrecht

"I think Joe did a great job at fixing the two issues that they came to resolve. He and his apprentice Trinity were very friendly and courteous. We would definitely request Joe for any future plumbing issues."

Stephanie Curtis

"Tanner was wonderful, he explained everything in detail on what we had to do to install a new unit and where everything would be placed. Had a Quote within 15 min! Great service."

Heather Bohanan

"He was very polite. Showed me the problem on video. Explained me the my options on repairing/replacement of my faucet. I couldn't be more happy. Thank you for your service."

Deborah Parks

"Fixed our problem. Very nice and answered my questions about some other issues I was just curious about. I have had very good experiences both times we have had to call them. Not to mention they charge very reasonable prices and do quality work."

Kimberly Humphrey

"What started as a very stressful day ended up a lot better after Shawn came to the rescue. He took a look at our water issue and had us ready to go in a few minutes. We're on a well, so being without water is stressful. So glad we called Quality!"

Sherry Moore

"Had a heating and air issue and these guys got out there quickly. Seth was knowledgable and professional. I would recommend them to anyone needing service on their heating and air system."

Chad Keaton

"We had to have a big project done on our main sewer, and they got the job done very quickly. They all were very professional and extremely helpful with explaining everything and making sure we were happy with the work they did. I highly recommend them!"

Nicole Steiner

"Excellent response time! Excellent service! Very Professional! Truly put customer first! Would recommend them and Robert to anyone! Will never use anyone else!"

Andrea Jinks

"Everyone at Quality Plumbing, Heating, Cooling and Electrical are always awesome to work with. Have a rental property that had water line leak issues! Called this morning and by this afternoon issues were professionally repaired! I will always use their services."

Gregory Payne


Keeping Your Generator in Peak Condition

Regular maintenance ensures your generator operates efficiently when you need it most.

Our process starts with a full inspection to assess performance and identify potential issues. We handle essential maintenance, including oil changes, battery checks, and load testing to verify power capacity. After servicing, we provide a detailed report with recommendations to keep your system reliable.

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FAQs

Frequently asked questions about generator maintenance

  • How often should my generator be serviced?

    At least once a year, with additional checks depending on usage and manufacturer recommendations.

  • What happens if I don’t maintain my generator?

    Neglecting maintenance can lead to startup failures, reduced efficiency, and costly repairs.

  • Can I perform generator maintenance myself?

    Basic tasks like checking battery levels and fuel supply can be done at home, but full servicing should be handled by a professional.

  • How do I know if my generator needs repairs?

    Warning signs include delayed startup, odd noises, fuel leaks, or error messages.


  • Do you offer maintenance contracts?

    Yes–we provide customized maintenance plans to keep your generator in peak condition year-round.

Still Have a Question?

Call us now or click the button below to fill out our contact form.

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Affordable Financing for Generator Maintenace

Keeping your generator in top condition is essential, but maintenance costs shouldn’t be a burden.

We offer financing through GoodLeap, making it easier to schedule regular maintenance without financial strain. The application process includes a soft credit check and considers your highest score from all three bureaus, allowing you to protect your backup power system with a payment plan that fits your budget.

Learn More

We Can Install a New Generator

Regular maintenance keeps your generator running efficiently, but older systems may eventually need replacement. If your unit is no longer reliable or requires frequent repairs, upgrading to a new generator may be the best solution. 


Our team can assess your system and provide expert generator installation to ensure you always have dependable backup power.

Generator Installation