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Generator Maintenance · Generac Levels 1-4 Certified

Annual maintenance that keeps your generator warranty intact

Over 3,000 maintenance visits in the last 18 months across Northern Virginia. The largest part of our generator business — and the difference between a generator that starts when the lights go out and one that doesn’t.

★★★★★ 4.9/5 across 1,000+ verified Google reviews

Why annual maintenance isn’t optional

Generac’s 10-year factory warranty — the most aggressive in the industry — requires documented annual service performed by a factory-certified technician. Kohler, Cummins, and Briggs & Stratton warranties have similar requirements. Skip a year, and your warranty paperwork stops protecting you.

Beyond warranty: a generator that sits for 12 months without service is a generator that may not start when you actually need it. Battery sulfation, varnished fuel, mouse nests in the air intake, corroded transfer-switch contacts — these are the things that turn a brand-new backup generator into an expensive lawn ornament during a Derecho.

Our maintenance memberships are flat, predictable, and structured around what manufacturers actually require — not arbitrary tune-up packages. Each visit is logged in our ServiceTitan system, and the warranty-compliance paperwork is filed on your behalf.

What every maintenance visit includes

Up to twelve verified checks per visit, scaled by tier — from the routine items to the real-world load bank test that confirms your unit can actually carry the load on day one of an outage.

Oil & filterFull oil change with manufacturer-spec filter
Spark plugsInspection + replacement as needed
Air filterInspection + replacement
Battery testLoad + voltage test, replacement if marginal
Coolant checkLiquid-cooled units — condition + level
Load bank testGold & Platinum visits — verify the unit carries full load
Control panelDiagnostics + firmware update
Gas systemPressure check, leak inspection
Transfer switchOperation test, contact inspection
EnclosureVisual inspection, corrosion check
Warranty logDocumentation that preserves your factory warranty
Findings reportWritten report with photos for your records

Residential maintenance memberships

Three tiers. Choose by visit cadence.

Silver (annual), Gold (semi-annual), and Platinum (quarterly). The right tier depends on your generator’s size, fuel type, and how critical standby power is to your household.

Essentials

Silver

1 visit per year · Annual

Once-a-year inspection to keep your warranty intact and catch the obvious failures before they bite.

  • Annual on-site inspection by a certified generator technician
  • Manufacturer-spec oil & filter change
  • Spark plug inspection and replacement as needed
  • Air filter check / swap
  • Battery load test and terminal cleaning
  • Coolant level + condition check (liquid-cooled units)
  • Transfer switch operation verification
  • Full written findings report + maintenance log
  • Warranty-compliant service records on file
Mission-critical

Platinum

4 visits per year · Quarterly

Quarterly visits for units that absolutely cannot fail — medical equipment, sump pumps, server rooms, commercial properties.

  • Everything in Gold, performed four times per year
  • Quarterly load bank test with documented kW output
  • Full electrical diagnostic on transfer switch + breakers
  • Coolant flush on schedule (liquid-cooled units)
  • Vibration + acoustic baseline tracking across visits
  • Priority dispatch with target same-day response
  • Direct line to a Generac Air-Cooled, Liquid-Cooled, and Protector Plus certified technician
  • Annual deep-clean of the enclosure + intake screens
  • Quarterly inspection report tied to your service file

All three tiers are available for:

  • Briggs
  • Generac
  • Kohler

Air-cooled units, liquid-cooled units up to 150 kW, and commercial installations are all covered. Tell us your unit’s make + kW rating when you call — we’ll match you to the right plan.

Have a commercial generator? See the commercial plans below →

How to choose the right tier

Choose Silver if Your generator is an air-cooled residential unit under 26 kW, your warranty just needs to stay current, and you don’t depend on backup power for medical equipment or a sump pump.
Choose Gold if You have a liquid-cooled unit (any size), or you want the cadence manufacturers actually recommend for whole-home protection. This is what most of our customers choose.
Choose Platinum if You run a home office, have medical equipment, a sump pump in a finished basement, or simply cannot afford to discover your generator failed at the moment you need it.

Commercial maintenance agreements

Commercial-grade maintenance plans

For healthcare, multifamily, hotels, retail, and any commercial property where downtime isn’t an option. Documented service for compliance, factory-trained techs, priority dispatch when the grid drops.

Baseline

Silver

1 visit per year · Annual

Annual manufacturer-spec service for standby units at low-criticality commercial properties.

  • Annual on-site service by a certified generator technician
  • Manufacturer-spec oil, filter, and spark plug service
  • Battery load test and terminal service
  • Coolant level + condition check (liquid-cooled units)
  • Transfer switch operation verification
  • Written findings report filed to your property record
  • Warranty-compliant documentation on file
Mission-critical

Platinum

4 visits per year · Quarterly

Quarterly service for facilities where standby power is non-negotiable — healthcare, multi-family, data and life-safety loads.

  • Everything in Gold, performed four times per year
  • Quarterly load bank test with documented kW output
  • Full electrical diagnostic on transfer switch + breakers
  • Scheduled coolant service (liquid-cooled units)
  • Priority dispatch with target same-day response
  • Direct line to certified commercial generator technicians
  • Quarterly inspection reports for your compliance file

See full commercial electrical capabilities →

Generator brands we maintain

We’ll service your generator whether we installed it or not. Generac is our authorized brand, but our technicians are trained on every major standby manufacturer.

Generac
Authorized Dealer · Levels 1-4
  • Guardian air-cooled (7-26 kW)
  • Protector liquid-cooled (25-150 kW)
  • Protector+ and Industrial Mobile
  • Factory-spec parts + 10-year warranty preservation
Kohler
Trained service technicians
  • 14RESA / 20RESA residential
  • Liquid-cooled up to 150 kW
  • Industrial KD-series commercial
  • OEM parts & warranty support
Cummins
Service capability
  • RS-series air-cooled residential
  • QuietConnect liquid-cooled
  • Industrial diesel generators
  • Parts & troubleshooting
Briggs & Stratton
Service & repair
  • Standby home generators
  • Legacy unit service
  • Replacement consultation
  • Factory-spec maintenance kits

Reviews from maintenance customers

Real Google reviews from Northern Virginia homeowners and businesses on our generator maintenance program.

Maintenance FAQ

Do I have to be on a membership to get maintenance?
No — we’ll do one-off maintenance visits too. The membership exists because most homeowners want the warranty compliance handled automatically, with priority scheduling before storm season.
Will you service a generator you didn’t install?
Yes. About a quarter of our maintenance customers came to us with a unit installed by someone else — sometimes the original installer is no longer in business.
What happens if the generator fails between visits?
Members get priority dispatch on warranty work and same-day service when we can. Platinum members get a direct line to a certified technician.
How long is the agreement?
Annual, auto-renewing. You can cancel any time before renewal — no long-term contract lock-in.
Will my warranty stay valid?
Yes, as long as your maintenance is current. We log every visit in our system and file the manufacturer compliance paperwork on your behalf, so the warranty paperwork is always in order.

Get your generator on a maintenance schedule

Tell us your unit’s make, size, and what it protects — we’ll match you to the right tier.

Generator Maintenance FAQ

More maintenance questions

Why does my generator need annual maintenance?
Manufacturer warranties — Generac, Kohler, Briggs & Stratton — require documented annual service to remain valid. More importantly: a generator that hasn’t run since last year is the one that fails when you need it. Our maintenance memberships keep the unit warranty-compliant and verified-ready, with documentation you can hand to the manufacturer if a warranty claim ever happens.
What’s included in a maintenance visit?
Every visit covers manufacturer-spec oil and filter change, spark plug inspection, air filter check, battery load test, coolant level + condition (liquid-cooled units), transfer switch operation, control panel diagnostic, gas system pressure check, enclosure inspection, full written findings report, and warranty-compliant service records. Higher tiers add load bank testing, firmware checks, and quarterly visits.
How do I choose between Silver, Gold, and Platinum?
Silver is one visit per year — the minimum to keep warranties valid. Gold is two visits (the cadence most manufacturers actually recommend for whole-home standby units) and includes a documented load test plus priority storm-season scheduling. Platinum is four visits per year for units that absolutely cannot fail — medical equipment, sump pumps, server rooms, commercial properties.
What if you didn’t install my generator?
No problem — we service generators we didn’t install. Bring us in for the next maintenance visit and we’ll bring the unit up to factory spec from there. You get the same documented service records and warranty-compliant work as if we’d done the original install.
Does maintenance keep my warranty intact?
Yes — that’s the whole point. Every visit produces a service record formatted for manufacturer warranty documentation. If a warranty claim ever happens, you have the paperwork ready to go.
What cities do you service for maintenance?
Our maintenance dispatch covers Northern Virginia broadly — Manassas, Fairfax, Loudoun, Prince William, Arlington, Alexandria, Vienna, McLean, Leesburg, Reston, Herndon, Centreville, Burke, Springfield, Annandale, Falls Church, Great Falls, Oakton, Stafford, Fredericksburg, plus all surrounding cities. See our full service area list.
What happens if my generator fails during a storm and I have a maintenance plan?
Maintenance members get priority storm-response dispatch. If your generator fails to start during an active outage, we triage the call immediately and dispatch based on severity and location. Common storm-related failures — dead battery, transfer switch fault, fuel supply issue — can often be resolved same-visit. If a part needs ordering, we document the failure for warranty claim and get you back online as soon as the part arrives.
How far in advance should I schedule my annual generator maintenance?
Schedule 4-6 weeks out if you want a specific month, especially before storm season (May-June) or winter (October-November). Maintenance members get preferred scheduling windows. If your last service was more than 14 months ago, your manufacturer warranty may already be at risk — call us and we’ll fit you in sooner. Walk-in service requests depend on current dispatch load but we’ll get you on the calendar within 2-3 weeks in most cases.