Skip to Content
Top
Generator Repair

Reliable Generator Repair in Fairfax You Can Trust for 24/7 Service

Fairfax's Top Choice for Home Generator Repair Since 2014

When the lights go out, a functioning generator is critical. You need prompt and reliable generator repair in Fairfax to restore your peace of mind and keep your home running smoothly. At Marines Service Co., we understand that a broken generator is more than an inconvenience—it's an emergency. Since 2014, our licensed and insured technicians have focused on providing expert service with straightforward pricing right here in the local community.

We pride ourselves on offering comprehensive generator repair services to the Fairfax area, backed by a commitment to customer satisfaction. We know you value quick solutions, which is why we offer 24/7 service for those urgent issues that can’t wait. Whether it's a simple fix or a complex problem with your standby unit, we ensure professional and accurate troubleshooting to get your backup power system fully operational.

Need immediate help? For 24/7 emergency service, call (703) 215-9076 right away, or connect with us online to book a non-urgent appointment.

Swift and Reliable Generator Repair Service in Fairfax, VA

Experiencing a generator failure is disruptive, whether it's in the middle of the night or on a busy weekend. We take pride in offering comprehensive generator repair service in Fairfax, VA, designed to cover every possible scenario. Our expertise isn't limited to a single brand; we service all major manufacturers of standby and home backup generators. When you call us, you are getting an expert technician who arrives equipped to handle complex electrical and mechanical issues efficiently.

We are committed to delivering swift solutions without ever compromising the quality of the repair. Reliability is built into our service model. Because we know emergencies don't stick to a 9-to-5 schedule, we offer dedicated 24/7 service to the entire Fairfax area. This means you have access to expert help the moment your generator issue arises. Our detailed troubleshooting process includes:

  • Comprehensive Diagnostics: We use advanced tools to pinpoint the exact cause of the failure, whether it's a sensor issue, an electrical short, or an engine problem.
  • Preventative Checks: While performing the generator repair, we inspect related components to prevent near-future breakdowns, ensuring lasting performance.
  • Load Testing: After the fix, we perform rigorous testing to ensure your generator can handle your home’s full power demand under stress.

Addressing Your Backup Power Needs: Home Generator Repair for Common Issues

A successful home generator repair in Fairfax starts with a deep understanding of why these systems fail. We’ve seen it all, from units that refuse to start after years of dormancy to those that shut down unexpectedly under load. Our extensive experience helps us quickly target the root cause, addressing both common problems and those tricky, intermittent faults. If you are struggling with a generator that won't turn over or is cycling off too quickly, our team is ready to help.

The secondary keywords you care about, like generator repair, are central to our daily work. Our professionals are frequently called upon to address critical issues such as:

  • Fuel System Failures: Clogged fuel lines, stale fuel (in gasoline units), or issues with the natural gas supply regulator can prevent proper starting.
  • Battery and Starting Problems: The single most common issue is a dead or weak starting battery, which prevents the generator from initiating its automatic cycle.
  • Control Panel Errors: Modern generators rely on sophisticated electronics. Error codes or control board failures often require specialized knowledge for correction.
  • Low Oil or Overheating: Safety shutdowns protect the engine. We diagnose whether the low oil sensor is faulty or if a genuine overheating issue exists, perhaps due to a clogged filter or low coolant.

By specialising in the specific needs of residential backup power systems, we ensure that your generator repair experience is smooth, efficient, and leads to a completely dependable unit when the next outage occurs.

Trust the Fairfax experts since 2014. Call (703) 215-9076 to speak to a technician, or reach out to us online for detailed inquiries.

Why Fairfax Trusts Our Team When the Power Goes Out

Choosing a provider for generator repair is about more than technical skill—it’s about trusting someone to restore comfort and provide genuine support. As a proud veteran-owned company, we bring discipline, punctual service, and real respect for your time and property. Our satisfaction guarantee offers peace of mind, and we stand behind every job until you’re fully satisfied.

Our upfront pricing sets us apart in Fairfax. We discuss every cost clearly before beginning repairs, so you never face surprise charges. Each technician on our team is trained to work on all major brands and models, ensuring you receive accurate diagnostics and lasting repairs. We treat your home as if it were our own, using protective measures and always cleaning up thoroughly.

What to Expect from Your Generator Repair Experience in Fairfax 

From your first call to Marines Service Co., we aim to make the process clear, reliable, and stress-free. Our office team will answer your questions and schedule your service at a convenient time. On the day of your appointment, your technician will arrive on time, introduce themselves, and review your generator concerns with you in detail.

After a thorough inspection, we will identify the problem and explain your options with a transparent, upfront estimate. You decide how to proceed—there’s never pressure or unnecessary upselling. Many generator issues are resolved during the initial visit, but if additional parts are required, we will keep you informed through every step. We will not leave until your generator runs as it should, and our satisfaction guarantee backs every repair.

Ready for reliable backup power? Dial (703) 215-9076 now for prompt service, or fill out our online inquiry form to get started.

Beyond Repair: Comprehensive Generator Maintenance and Installation

While we excel at emergency generator repair, we also believe the best way to handle a repair is to prevent it in the first place. That’s why we offer robust maintenance plans designed to keep your unit in peak condition, especially important for standby units that sit idle for long periods. A well-maintained generator is far more reliable when you need it most, helping you avoid costly and inconvenient breakdowns.

Our maintenance services are preventative and proactive:

  • Seasonal Tune-Ups: Comprehensive checks of the fuel, oil, battery, and cooling systems before storm season to ensure immediate readiness.
  • Fluid and Filter Changes: Replacing critical fluids and filters to maintain engine health and efficiency, extending the life of your unit.
  • Testing and Inspection: Running the generator under load to verify proper operation and detect minor issues before they escalate into major generator repair needs.

Furthermore, if your current generator is beyond economical repair or you are considering installing a new, more powerful backup system, we handle new generator installations from start to finish. We help you size the unit correctly for your specific needs and integrate it seamlessly with your home's electrical system, always adhering to local codes and best practices.

How We Keep Fairfax Powered—Our Commitment to You

Our relationship with local homeowners and businesses is built on more than just repairs. Because storms and outages can be unpredictable, we offer routine maintenance to help keep your generator ready year-round. Our familiarity with the Dominion Energy grid, local outage patterns, and local building codes means your repair will meet real local needs—not just generic standards.

We strive to be your first call when reliability matters. We’re committed to fast answers, honest communication, and precise repairs. We’ve built trust across Fairfax by delivering the kind of disciplined service you would expect from a veteran-owned company.

What Makes Us different

Benefits of Working With Our Expert Team
  • Transparent, Honest Pricing
    We provide upfront pricing with no hidden fees and special discounts for veterans and seniors.
  • Veteran-Owned & Operated
    We bring disciplined, honest service rooted in veteran values and pride.
  • Skilled, Licensed Professionals
    Our team is fully licensed, background-checked, and committed to respectful, clean service.
  • Customer Satisfaction Guaranteed
    We stand by our work with a 100% satisfaction guarantee on every job.
Financing Available Through GreenSky

Get the work you need now and pay over time with flexible financing options from GreenSky. Quick approval, easy terms, and no hidden fees.

Frequently Asked Questions


How fast can you fix my generator in Fairfax?

We strive to provide same-day or next-day generator repair when possible. During widespread outages or severe weather, demand may impact response times. Our team always communicates realistic timelines and prioritizes emergency calls whenever we can. You will know when to expect us before your appointment is confirmed.

What brands or types of home generators do you work on?

Our technicians work on most major home generator brands seen in the region, including Generac, Kohler, and Briggs & Stratton, among others. We service both whole-house standby systems and portable generators. If you have a less common or older unit, mention it while scheduling—our staff will confirm if we can help or direct you to next steps.

Continue Reading Read Less

We Know What Service Is!

Contact Us Today

At Marines Service Co., we're always ready to take your calls! Give us a call or fill out the form below to contact one of our team members.

  • Please enter your first name.
  • Please enter your last name.
  • Please enter your phone number.
    This isn't a valid phone number.
  • Please enter your email address.
    This isn't a valid email address.
  • Please lookup your address.
  • Please make a selection.
  • Please enter a message.
  • By submitting, you agree to receive text messages from Marines Service Co. at the number provided, including those related to your inquiry, follow-ups, and review requests, via automated technology. Consent is not a condition of purchase. Msg & data rates may apply. Msg frequency may vary. Reply STOP to cancel or HELP for assistance. Acceptable Use Policy