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generac|SKU:7291

Generac Guardian 7291 26kW Whole-Home Standby Generator

26kW Whole-Home Backup Power That Keeps You Grid-Independent

26,000 running watts — Powers your entire home simultaneously
200-amp transfer switch — Seamless automatic power transition
Dual fuel capability — Natural gas or liquid propane
Mobile Link Wi-Fi — Monitor status from anywhere
Less than 5% THD — Safe for sensitive electronics
  • FREE System Design Consultation -- Verify this unit matches your home's load profile before purchase
  • FREE Shipping -- LTL freight with threshold delivery included on all orders

$6,800.95

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Generac Guardian 7291 26kW Generator w/ 200-Amp Automatic Transfer Switch
Generac Guardian 7291 26kW Generator w/ 200-Amp Automatic Transfer Switch
$6,800.95

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In the box

  • Generac Guardian 7291 generator unit
  • 200-Amp NEMA 3R automatic transfer switch
Generac Guardian 7291 26kW Generator w/ 200-Amp Automatic Transfer Switch
Generac Guardian 7291 26kW Whole-Home Standby Generator
$6,800.95

26kW Whole-Home Backup Power That Keeps You Grid-Independent

The Generac 7291 Guardian delivers 26,000 running watts from a field-tested G-Force 1000 engine, making it the most powerful air-cooled standby generator available. Its built-to-survive NEMA 3R aluminum housing protects the 200-Amp automatic transfer switch in any weather. Running on natural gas or liquid propane, this unit starts automatically during outages and restores power in seconds. With Mobile Link Wi-Fi monitoring, you stay informed from anywhere. Clean power output under 5% THD keeps sensitive electronics safe during extended off-grid events.

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26,000 Running Watts
Dual Fuel Compatible
200-Amp ATS Included
Wi-Fi Remote Monitoring
26,000W
Running Watts
518 lb
Unit Weight
<5%
Total Harmonic Distortion
Whole-House Power When the Grid Fails Completely

Whole-House Power When the Grid Fails Completely

Your neighbor's grid-tied solar system shuts down the moment the utility goes dark — that is the trap of systems designed to reduce bills, not provide independence. The Generac 7291 eliminates that vulnerability. At Off Grid Vault, we only carry products we would install on our own properties, and this generator meets that standard. Twenty-six thousand running watts cover your entire home — HVAC, well pump, refrigerator, and electronics simultaneously. The included 200-amp automatic transfer switch detects an outage and restores power in seconds. No manual intervention, no sun required, no grid dependency. This is field-tested, grid-independent backup that works regardless of weather or season.

G-Force 1000 Engine Built for Sustained Heavy Loads

G-Force 1000 Engine Built for Sustained Heavy Loads

The pressure-lubricated G-Force 1000 engine is designed for sustained runtime under heavy electrical loads. Unlike splash-lubricated models, pressure lubrication delivers consistent oil flow to critical components during extended outages lasting days. The aluminum enclosure is built-to-survive outdoor installation in any climate, resisting corrosion and protecting internal components from debris and weather exposure. Quiet-Test mode runs weekly self-tests at reduced RPM, so you verify readiness without the fuel burn and noise of full-load operation. The multilingual LCD display provides battery status and maintenance reminders at a glance. This is not a portable unit you drag out during a storm — it is a permanently installed, self-reliant power system that sits ready year-round.

Remote Monitoring and Clean Power for Every Device

Remote Monitoring and Clean Power for Every Device

Total harmonic distortion stays below 5%, producing electricity clean enough for laptops, medical equipment, and modern appliances without risk of damage. Built-in Mobile Link Wi-Fi connectivity lets you monitor generator status, receive alerts, and track performance from your smartphone whether you are home or away. You will know if the unit starts, if it needs maintenance, or if fuel supply changes — without stepping outside. Natural gas consumption runs at 333 cubic feet per hour at full load, while liquid propane draws 3.63 gallons per hour at 100% capacity. The Evolution controller manages fuel delivery and output based on your actual electrical demand, reducing unnecessary consumption during lighter loads.

Is This Generator Right for Your Setup?

Verify these conditions before purchasing.

  • Home electrical panel supports 200-Amp transfer switch integration
  • Natural gas line delivers 333 ft³/hr at full load or LP supply available
  • Installation area provides minimum 48" x 25" available footprint

Where This Generator Performs

Designed for homeowners who refuse to lose power.

Whole-Home Backup During Grid Outages
Running HVAC Systems Continuously
Remote Monitoring While Away From Home

Full specifications

At a glance

Dimensions
48" x 25" x 29"
Warranty
See product page
Full specifications13 data points across 4 categories

Dimensions

Dimensions (LxWxH)48" x 25" x 29"
Weight518 lb

Power & Performance

Running Watts26000
Fuel TypeLiquid Propane or Natural Gas
NG Consumption - 100% (ft3/hr)333
LP Consumption - 50% (gal/hr)2.06
LP Consumption - 100% (gal/hr)3.63
Controller TypeEvolution

Materials

Engine TypeG-Force 1000
Oil Capacity1.9 qt
Battery Size12V
Battery Type (Not Included)Group 26R 540 CCA Minimum or Group 35AGM 650 CCA Minimum

Compliance & Warranty

WarrantySee product page

The Off Grid Vault Promise

We stand behind every product we sell — with real support, not a ticket queue.

Free System Design ConsultationOur engineers size your setup for your actual consumption — no guesswork, no incompatible components.
30-Day Performance GuaranteeIf it doesn't perform as specified, we make it right — uninstalled returns accepted within 30 days.
Free ShippingShips free on all orders, including LTL freight on large systems. No thresholds, no surprises.
★★★★★
“Went four days without grid power last winter after an ice storm took out the main line. The 7291 kicked on in under ten seconds and ran my entire house — heat pump, well pump, two refrigerators, and every light in the place. Never skipped a beat. Mobile Link let me monitor everything from my phone while I was at work. This is the kind of equipment that makes you stop worrying about outages entirely.”
F
First L.Boone, NC

Generac 7291 Guardian 26kW Standby Generator WiFi w/ 200 Amp Automatic Transfer Switch

The Generac 7291 Guardian 26kW Standby Generator is the most powerful air-cooled generator in the market, delivering whole-home backup power with unmatched performance and efficiency. Designed for homes with high electrical demands, this unit is capable of supporting large appliances, HVAC systems, and electronics simultaneously, ensuring your household stays fully functional during any outage. It operates on either natural gas or liquid propane, offering flexible fuel options to suit your needs.

This model comes equipped with a 200-Amp NEMA 3R Automatic Transfer Switch, allowing for seamless transitions from utility power to generator power the moment an outage is detected. The smart switch supports whole-house coverage and is enclosed in a weather-resistant aluminum housing for reliable outdoor installation. Whether you’re home or away, the generator starts automatically and restores power in seconds—no need for manual intervention.


With built-in Wi-Fi and Mobile Link™ connectivity, the 7291 lets you monitor your generator remotely from any smartphone, tablet, or computer. You can receive real-time updates, maintenance alerts, and performance insights, so you’re always informed and ready. This connectivity enhances reliability and provides peace of mind knowing your generator is ready when you need it most.

The 26kW Guardian is powered by Generac’s G-Force engine, specifically designed to handle the demands of extended generator use. It’s pressure-lubricated for long-lasting performance and requires less routine maintenance than standard engines. Other advanced features include True Power™ Technology for clean, stable electricity, Quiet-Test™ mode for low-RPM self-diagnostics, and a corrosion-resistant RhinoCoat™ aluminum enclosure built to withstand tough weather conditions. The Generac 7291 is a top-of-the-line solution for homeowners who want complete and dependable backup power without compromise.

Generac 7291 Guardian 26kW Standby Generator WiFi w/ 200 Amp Automatic Transfer Switch

Generac 26kW Guardian Standby Generator Specs

  • Battery Size: 12V
  • Running Watts: 26000
  • Controller Type: Evolution
  • NG Consumption – 100% (ft3/hr): 333
  • LP Consumption – 50% (gal/hr): 2.06
  • LP Consumption – 100% (gal/hr): 3.63
  • Fuel Type: Liquid Propane or Natural Gas
  • Oil Capacity: 1.9 qt
  • Battery Type (Not Included): Group 26R 540 CCA Minimum or Group 35AGM 650 CCA Minimum
  • Engine Type: G-Force 1000
  • Weight: 518 lb
  • Dimensions (LxWxH): 48″ x 25″ x 29″
  • Enclosure: Aluminum
  • Transfer Switch Amps: 200
  • Number of Circuits: Whole House


Generac 26kW Guardian Standby Generator Features

  • From the #1 manufacturer of backup power, with over 60 years of experience.
  • Can start and run all large home appliances for full-house protection.
  • New alternator design provides 230LRA or 55.2kVA starting power for modern electrical needs.
  • Offers 2.6X more power while taking up to 68% less space compared to similar liquid-cooled models.
  • Saves up to $8,000 in product and installation costs versus comparable liquid-cooled units.
  • Pressure-lubricated G-Force engine delivers reliable, low-maintenance performance.
  • Produces clean, smooth electricity with less than 5% total harmonic distortion—safe for electronics.
  • Quiet-Test™ mode runs weekly self-tests at lower RPMs for quieter and more fuel-efficient operation.
  • Monitor status and receive alerts from anywhere with built-in Mobile Link™ Wi-Fi connectivity.
  • Multilingual LCD display shows battery status and maintenance reminders.
  • Durable, weather-resistant aluminum enclosure with RhinoCoat™ powder-coated finish.


Your Satisfaction with Generac is Guaranteed:

  • 5-Year Limited Warranty
  • Lowest Price Guarantee

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Frequently Asked Questions

Grid-tied solar reduces your bill but goes dark during outages — the exact moment you need power most. The 7291 provides immediate, automatic backup regardless of weather or time of day. If a four-day blackout costs you $2,000 in spoiled food and hotel stays, this generator pays for itself in three to four outage events. Unlike solar, it requires no panels, no roof penetration, and no battery degradation over time. At Off Grid Vault, we help you calculate real-world ROI based on your actual utility costs and outage history.
Off Grid Vault is an authorized Generac dealer. That means warranty claims go through us — not through a call center queue. Big-box retailers sell generators but offer no system design guidance for matching transfer switch capacity to your actual electrical panel. Online marketplaces ship you a box with no after-offer support from someone who understands standby power. We provide free consultation to verify this 200-amp setup matches your home's service entrance and load requirements. If something fails, you call us and speak to people who know this unit.
The 7291 delivers 26,000 running watts with 55.2 kVA starting power — enough to handle multiple large motor-driven loads simultaneously. Central air conditioning, well pumps, and refrigerators all require significant surge wattage at startup. This unit provides 230 LRA of starting capacity, which covers those demands. The included 200-amp automatic transfer switch supports whole-house coverage, meaning every circuit in your panel receives power during an outage. Contact us for a free system design consultation — we will verify your specific load profile against this generator's output to confirm fit before you purchase.
Installation typically requires a licensed electrician and involves mounting the generator on a concrete pad, connecting fuel lines, and wiring the 200-amp transfer switch to your main panel. Most residential installations are completed within one to two days. The 7291 ships free via LTL freight with threshold delivery included. We recommend scheduling your electrician before the unit arrives to minimize downtime. If you need help finding a qualified installer in your area, contact us — we can point you toward resources. This unit operates on either natural gas or liquid propane, so fuel connection will depend on your existing setup.
Generac stands behind the Guardian series with manufacturer warranty coverage — specific terms depend on your registration and installation date. As an authorized dealer, Off Grid Vault handles warranty claims directly on your behalf, not through a third-party call center. The G-Force 1000 engine uses pressure lubrication for reduced wear during extended runtimes, and the aluminum enclosure resists corrosion in all climates. With proper maintenance — including oil changes and annual inspections — this air-cooled unit is designed for years of reliable standby service. At 518 pounds with a 48 by 25 by 29 inch footprint, it is engineered as a permanent installation, not temporary equipment.
Yes. The 200-amp automatic transfer switch manages power sources automatically — when solar and battery storage cannot meet demand, the generator starts and supplements the system. This is how many homesteaders achieve true energy independence: solar handles daytime loads, batteries provide overnight capacity, and the generator covers extended cloudy periods or peak demand. Contact Off Grid Vault for a free system design consultation. We will spec a combined solar-plus-generator architecture sized to your daily kWh consumption, ensuring every component is compatible and the transfer switch integrates correctly with your inverter and battery bank.
SKU: 7291 Category: Brand:

The Off Grid Vault Promise

We stand behind every product we sell — with real support, not a ticket queue.

Free System Design Consultation Our engineers size your setup for your actual consumption — no guesswork, no incompatible components.
30-Day Performance Guarantee If it doesn't perform as specified, we make it right — uninstalled returns accepted within 30 days.
Free Shipping Ships free on all orders, including LTL freight on large systems. No thresholds, no surprises.

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About generac Generators

generac is a trusted manufacturer of premium generators. OffGridVault is an authorized dealer offering the full generac lineup with free delivery, price match guarantee, and expert support.

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