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generac|SKU:7043

Generac Guardian 7043 22kW Standby Generator with 200A Automatic Transfer Switch

22kW Whole-House Backup Power That Keeps You Grid-Independent

22,000 watts running power — Covers whole-house loads including central AC
Dual fuel flexibility — Runs on natural gas or liquid propane
Automatic transfer switch included — 200-Amp NEMA 3R smart switch for seamless switchover
Remote monitoring built in — Mobile Link Wi-Fi tracks status and maintenance alerts
Field-tested G-Force engine — Pressure-lubricated for reliable performance with less maintenance
  • FREE System Design Consultation -- Engineers size the 7043 to your home's actual load profile
  • FREE Shipping -- LTL freight with threshold delivery included on all orders
  • Compatibility Guarantee -- ATS and generator pre-vetted to work together as a system

$6,001.95

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Generac Guardian 7043 22kW Home Standby Generator w/ 200A Amp Automatic Transfer Switch
Generac Guardian 7043 22kW Home Standby Generator w/ 200A Amp Automatic Transfer Switch
$6,001.95

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In the box

  • Generac Guardian 7043 22kW standby generator
  • 200-Amp NEMA 3R automatic transfer switch
  • Installation hardware and documentation
Generac Guardian 7043 22kW Home Standby Generator w/ 200A Amp Automatic Transfer Switch
Generac Guardian 7043 22kW Standby Generator with 200A Automatic Transfer Switch
$6,001.95

22kW Whole-House Backup Power That Keeps You Grid-Independent

The Generac 7043 delivers 22,000 running watts of reliable backup power, making it one of the most capable air-cooled standby generators available. Its field-tested G-Force 1000 engine runs on natural gas or liquid propane, and the included 200-Amp NEMA 3R automatic transfer switch enables seamless whole-house coverage. With Mobile Link Wi-Fi monitoring, Quiet-Test weekly self-checks, and a built-to-survive design engineered in the USA, this unit provides the grid-independent assurance your home needs during extended outages.

FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
Assembled in the USA
22kW Running Output
200A ATS Included
Dual Fuel Ready
22,000W
Running Wattage
466 lb
Unit Weight
<5%
Total Harmonic Distortion
No More Four-Day Blackouts

No More Four-Day Blackouts

When the grid drops for days — like it did across Texas and the Southeast — a grid-tied solar system goes dark with it. The Generac 7043 ignores the grid entirely. Within seconds of an outage, the 200-Amp automatic transfer switch disconnects from utility power and starts the G-Force 1000 engine. Your refrigerator, well pump, HVAC, and lights keep running whether the outage lasts four hours or four weeks. Unlike buying a generator from a generic marketplace listing, Off Grid Vault pre-vets every component for compatibility — the ATS matches the generator, the fuel connections are correct, and our engineers confirm the system fits your home's electrical panel before it ships.

Whole-House Power on Demand

Whole-House Power on Demand

The 22,000 running watts handle serious loads — central air conditioning, well pumps, electric water heaters, and multiple circuits simultaneously. Most air-cooled generators top out at 14–18kW. The 7043 sits at the top of its class, delivering the lowest cost per kilowatt of any air-cooled standby unit. The G-Force 1000 pressure-lubricated engine runs quieter in Quiet-Test mode during weekly self-checks and delivers clean power with less than 5% total harmonic distortion — safe for sensitive electronics. The corrosion-resistant aluminum enclosure with RhinoCoat finish handles years of exposure without rusting through.

Monitor Your Power From Anywhere

Monitor Your Power From Anywhere

Mobile Link Wi-Fi monitoring is built directly into the Evolution controller. From your phone, you see real-time generator status, get maintenance alerts, and confirm the unit is ready before a storm hits. No walking outside in the dark to check a status light. The multilingual LCD display on the unit also tracks battery status and service reminders at a glance. Runs on natural gas or liquid propane — choose based on what is available at your property. LP consumption at full load is 3.9 gallons per hour; natural gas at full load uses 327 cubic feet per hour.

Is This Generator Right for Your Setup?

Verify these conditions before purchasing to ensure proper installation and performance.

  • Home electrical panel rated for 200A service capacity
  • Outdoor installation area accommodates 48" x 25" footprint with required clearances
  • LP tank or natural gas line supports 3.9 gal/hr or 327 ft³/hr at full load

Built for Real-World Scenarios

Where the 7043 earns its place on your property.

Whole-home backup during extended grid outages
Powering central AC and large appliances simultaneously
Remote monitoring via Mobile Link when away from home

Full specifications

At a glance

Dimensions
48" x 25" x 29"
Full specifications15 data points across 4 categories

Dimensions

Dimensions (LxWxH)48" x 25" x 29"
Weight466 lb

Power & Performance

Running Watts22000
Engine TypeG-Force 1000
Fuel TypeLiquid Propane or Natural Gas
LP Consumption - 50% (gal/hr)2.53
LP Consumption - 100% (gal/hr)3.9
NG Consumption - 100% (ft3/hr)327
Controller TypeEvolution
Battery Size12V
Oil Capacity1.9 qt

Materials

ConstructionSee product page

Compliance & Warranty

ATS RatingNEMA 3R
AssemblyEngineered and assembled in the USA using domestic and foreign parts
Battery Type (Not Included)Group 26R 540 CCA Minimum or Group 35AGM 650 CCA Minimum

The Off Grid Vault Promise

What you expect from a dealer that actually understands off-grid and backup power.

30-Day Performance GuaranteeIf it doesn't perform as specified, we make it right — uninstalled returns accepted within 30 days in original packaging.
Free ShippingShips free on all orders, including LTL freight for heavy equipment like standby generators. No minimums, no surprises.
Authorized Dealer SupportWe handle warranty claims directly so you're never stuck in a manufacturer ticket queue after your purchase.
★★★★★
“We lost power for three days last winter. The Generac kicked on in under ten seconds and ran our whole house — heat, well pump, fridge, everything. My neighbor's portable generator barely kept his freezer going. Worth every penny for the peace of mind.”
F
First L.Boise, ID

Generac 7043 Guardian 22kW Standby Generator w/ 200 Amp Automatic Transfer Switch

The Generac 7043 Guardian 22kW Standby Generator is one of the most powerful air-cooled home standby units available, offering reliable whole-home backup power when it matters most. Designed to operate on either natural gas or liquid propane, this generator provides uninterrupted power to your home’s essential appliances, systems, and even large loads like central air conditioning. With a robust 22kW capacity, it’s ideal for larger homes or households with high energy demands.

This model includes a 200-Amp Automatic Transfer Switch (ATS), which enables seamless transitions between utility power and generator power within seconds of an outage. The integrated load center supports whole-house coverage when properly configured, ensuring your comfort and safety during power interruptions. The generator starts automatically and runs whether you’re home or away, offering complete peace of mind.


The 7043 comes equipped with built-in Mobile Link™ Wi-Fi monitoring, allowing you to check your generator’s status and receive maintenance alerts from your smartphone, tablet, or computer. This connectivity makes it easy to stay informed and proactive about servicing and system performance. The unit also features Generac’s G-Force engine, which is designed specifically for generator use, providing reliable, low-maintenance operation even under heavy load.

Additional features include Quiet-Test™ self-test mode for quieter weekly diagnostics and True Power™ Technology for clean, smooth power that’s safe for sensitive electronics. The durable aluminum enclosure with RhinoCoat™ powder-coated finish resists corrosion and holds up to harsh weather conditions. With the Generac 7043, you get a dependable, high-capacity solution for protecting your entire home during unexpected outages.

Generac 7043 Guardian 22kW Standby Generator w/ 200 Amp Automatic Transfer Switch

Generac 22kW Guardian Standby Generator Specs

  • Battery Size: 12V
  • Running Watts: 22000
  • Controller Type: Evolution
  • NG Consumption – 100% (ft3/hr): 327
  • LP Consumption – 50% (gal/hr): 2.53
  • LP Consumption – 100% (gal/hr): 3.9
  • 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: 466 lb
  • Dimensions (LxWxH): 48″ x 25″ x 29″
  • Enclosure: Aluminum
  • Transfer Switch Amps: 200
  • Number of Circuits: Whole House


Generac 22kW Guardian Standby Generator Features

  • 22kW capacity provides whole-house backup power for many homes.
  • Lowest cost per kilowatt of any air-cooled home standby generator.
  • Monitor generator status and maintenance alerts remotely with Mobile Link™.
  • Includes 200-Amp NEMA 3R smart switch for up to whole-house protection.
  • Delivers clean, stable power with less than 5% total harmonic distortion.
  • Engineered and assembled in the USA using domestic and foreign parts.
  • Pressure-lubricated G-Force engine ensures reliable performance with less maintenance.
  • Quiet-Test™ mode runs weekly self-checks at lower RPMs for quieter, fuel-efficient operation.
  • Corrosion-resistant aluminum enclosure with RhinoCoat™ powder-coated finish.
  • Multilingual LCD display tracks battery status and maintenance reminders.


Your Satisfaction with Generac is Guaranteed:

  • 5-Year Limited Warranty
  • Lowest Price Guarantee

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Frequently Asked Questions

A portable generator might cost less upfront but requires manual setup, fuel storage, extension cords, and cannot power your whole house simultaneously. The 7043 starts automatically within seconds of an outage — no refueling, no plugging in circuits, no going outside at 2 AM. At 22,000 running watts with a 200-Amp ATS, it covers your entire home including HVAC. Factor in the automatic operation, whole-house coverage, and field-tested reliability, and the per-kilowatt cost is actually the lowest of any air-cooled standby unit available.
Off Grid Vault is an authorized Generac dealer. That means warranty claims go through us, not through a ticket queue with a faceless third party. We also provide a free system design consultation before you purchase — our team confirms the 7043 and its 200-Amp ATS are correctly matched to your home's electrical panel and load requirements. If something fails, you call us. We handle it.
With 22,000 running watts and a 200-Amp whole-house automatic transfer switch, the 7043 is designed to handle full-home loads. Central air conditioning, well pumps, electric water heaters, and standard household circuits can run simultaneously. That said, exact coverage depends on your specific load profile. That is why Off Grid Vault offers a free system design consultation — tell us your appliances and daily consumption, and we confirm whether the 7043 is correctly sized for your home before you buy.
The 7043 requires professional installation by a licensed electrician and a plumber or gas fitter for fuel line connections. Typical installation takes one to two days depending on your electrical panel setup and fuel line routing. Off Grid Vault ships free via LTL freight with threshold delivery included. We recommend scheduling your installer before the unit arrives so you are ready to go. Our free system design consultation helps your installer by confirming the ATS compatibility and load configuration upfront.
The G-Force 1000 engine is pressure-lubricated, which reduces wear compared to splash-lubricated designs. The corrosion-resistant aluminum enclosure with RhinoCoat powder-coated finish is built for long-term outdoor exposure. Generac standby generators typically provide 10–15 years of service with proper maintenance. Warranty terms are set by Generac and vary — as an authorized dealer, Off Grid Vault processes warranty claims directly on your behalf. Check the manufacturer documentation included with your unit for exact warranty coverage.
The 7043 runs on either natural gas or liquid propane. Your choice depends on what is available at your property. Natural gas at full load consumes 327 cubic feet per hour with no tank to refill. Liquid propane at full load uses 3.9 gallons per hour and requires a propane tank but works anywhere, including remote properties without a gas line. Many rural and off-grid homeowners choose propane for that reason. Both fuels deliver the same 22,000 running watts.
SKU: 7043 Category: Brand:

The Off Grid Vault Promise

What you expect from a dealer that actually understands off-grid and backup power.

30-Day Performance Guarantee If it doesn't perform as specified, we make it right — uninstalled returns accepted within 30 days in original packaging.
Free Shipping Ships free on all orders, including LTL freight for heavy equipment like standby generators. No minimums, no surprises.
Authorized Dealer Support We handle warranty claims directly so you're never stuck in a manufacturer ticket queue after your purchase.

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About generac Generators

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