Generator Repairs

Generator Repairs Manassas, VA

Automatic standby generators restore your home’s power supply within minutes of disruption. Backup power allows your family to stay home when VA storms down regional power lines or wipe out electricity for days or weeks. Generators also save you money by keeping essential appliances and lighting operational. Preserve your perishable foods, maintain security system function and continue your home and work activities with a reliable standby power device.

When your standby generator is not functioning as it should, ask a Parrish Services technician about reliable generator repairs in Manassas. You never know when an outage will hit, and you can’t afford to be without your generator!

Get in Touch!

Electrician Using a Multimeter

Parrish Services Generator Repairs


To avoid emergency generator repairs, Parrish certified experts recommend having generators inspected annually. Common maintenance tasks and generator repairs in Manassas and include:

  • Cleaning corroded battery connections & changing dead batteries
  • Replacing worn-out belts
  • Checking & tightening hose connections
  • Fixing damaged valves
  • Replacing clogged fuel filters
  • Adjusting gas pressure     
  • Resetting tripped circuit breakers
  • Removing fuel line moisture
  • Testing battery strength
  • Replacing starters
  • Replacing control boards
  • Repairing or replacing faulty radiators or engines 

Don’t Risk a Flooded Basement


Generators and sump pumps are two of the most helpful devices you can have during a storm. If you depend on a sump pump to keep your basement from flooding, unexpected power failures could leave you vulnerable to major property damage. Parrish Services prevents property loss and replacement costs by linking sump pump systems to a dedicated battery backup—or connecting them to standby generators. Contact Parrish Services online for an estimate!

Is Your Generator Is Ready for Action?

  • Clearing debris from inside & outside casing, intake louvers & exhaust vents.
  • Checking control panel fuses.
  • Cleaning battery terminals, verifying battery strength & testing electrical connections.
  • Checking fuel system assembly, gas pressure & connections.
  • Changing oil, spark plugs & air filters.
  • Testing transfer switch. (While your generator probably self-tests on a weekly basis, transfer switch testing is conducted during annual maintenance.)
  • Checking all wiring for corrosion & pest damage.
  • Verifying generator’s power capacity output.

Leave Maintenance to the Pros


When it feels like every minute of your day is spoken for, there’s no time for home maintenance. Trust Parrish Services turnkey Priority Service Plans and concierge mechanical services to bring organization to household chaos. Our certified team of technicians maintains all plumbing, electrical, heating and cooling systems—often in a single visit. You receive a detailed report of the inspections, and all appliance testing and safety results are store on the cloud for transparent access. You will receive notification of all services performed and parts replaced, and you can contact our team or track a technician’s arrival on our handy mobile app!

Electrician Testing Electrical Outlet

Losing Power? Upgrade Your System!


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Customer Reviews

Parrish has the best customers in Northern Virginia, hands down! To learn more about the Parrish Difference or discover the many reasons that so many new customers are now lifetime customers, check out these stories from verified clients.

Alton our technician was awesome. Extremely professional, courteous, and knowledgeable. I appreciated him taking on all my questions and able to answer them so thoroughly without ever feeling rushed. Definitely will be requesting him on all our electrical home needs going forward.
Chris Gabriel
Chris Gabriel
00:22 13 Feb 25
I had a great experience with Parrish, and the head technician, Danny Shoop (the assistant was also very good). We had a number of plumbing issues that needed repair, and the work was completed to our satisfaction. I was impressed by Danny's professionalism, his work ethic, and the suggestions and recommendations he made. I will definitely use Parrish again.
Trina Santry
Trina Santry
19:35 07 Feb 25
I wanted to express my sincere appreciation for Nathan Wilkinson for the exceptional service provided during the recent gas inspection. Your expertise and professionalism were evident from the start. You arrived promptly at the scheduled time, demonstrating a strong commitment to punctuality. You conducted a thorough and meticulous inspection of the gas systems, ensuring every detail was carefully examined. Your knowledge and attention to safety measures were remarkable. Thank you
Rita Domit
Rita Domit
14:09 28 Jan 25
I woke up at 6:30 with my smoke detector going off. Changes batteries but that didn't work. Web said they might be end of life, so I turned to m electrician. Parrish was wonderful! She was patient with me and went out of her way to help get it add today. Alton was the tech who was also helpful, patient, and informative. He came out and fixed the problem. He was professional and made me feel listened to. Cost was reasonable. Highly recommend this company.
Wendy Martinez
Wendy Martinez
22:52 22 Jan 25
Andre and the other technician did a great job installing the new furnace hot water heater and air conditioner. I appreciated the prep and care taken in my home as they carried out the old and brought in the new furnace and hot water heater. Andre took the time to answer what overall questions I had and kept me up to date on the installation progress.
Cynthia Venne
Cynthia Venne
14:07 20 Jan 25
Brandon did a routine inspection of our HVAC that we knew was reaching its replacement age. He was very professional and honest with his assessment and what needed to be repaired or replaced and why, complete with photos and diagnostics. He made sure I knew all my options and pricing (including cost savings) for the recommended parts and services. Very happy with Brandon’s service and Parrish in general.
Brett Gillies
Brett Gillies
14:43 17 Jan 25
Clarence Boyd fixed the toilet tank leak. He diagnosed the issue so quick and resolved it in less than 30 min. He is courteous, knowledgeable and efficient. I highly recommend him.
Rita Domit
Rita Domit
14:14 15 Jan 25
Alton conducted a comprehensive inspection of our home's electrical system. He explained issues as he found them, and even made water heater and fire safety recommendations. I was pleased with his ability to communicate issues clearly and provide a quick turnaround for the quotes.
nihad khdair
nihad khdair
01:02 15 Jan 25
My wife, Janice, worked with Alton Wallace to convert our fireplace from gas to electric, and Alton was wonderful! We’d never tackled a project like this before so we had some questions along the way, but Alton was very patient and willing to walk us through step-by-step. He was personable and very knowledgeable. We would definitely recommend Alton to future clients!
Douglas Gore
Douglas Gore
21:36 13 Jan 25
I am very pleased with the excellent service I received today from Nathan W. with Parrish services. He diagnosed the issue quickly and got my heat back on! He answered all my questions and was polite and courteous! Parrish has been our Heating/AC maintenance company for many years and always gives great service!
Anne Leeson
Anne Leeson
20:01 10 Jan 25