Generac 7325 22kW Home Standby Generator Dual Fuel Liquid Propane or Natural Gas with 200A Automatic Transfer Switch

The Generac 7325 22kW home standby generator is the complete-system version of Generac’s flagship 22kW Guardian, shipping with a 200A automatic transfer switch included in the box. As a Generac 22kW with 200A transfer switch bundle, the Generac 7325 22kW eliminates the headache of sourcing a compatible switch separately and arrives ready for a one-and-done installation. Part of the Generac Next Generation 22kW lineup, the Generac 7325 22kW delivers improved efficiency, quieter operation, and enhanced overall performance compared to prior Guardian generations. The Generac 7325 Guardian generator runs on liquid propane or natural gas with Generac’s upgraded G-Force engine and True Power Technology inside. As a 22kW generator with transfer switch system, every Generac 7325 22kW ships nationwide from IB Lighting with free freight, free freight insurance, and the support of a Master Electrician-led team. Manufacturer technical specifications are also available at the official Generac website.

Generac 7325 22kW Key Highlights

Generac 22kW with 200A Transfer Switch: Why the Bundle Wins

The defining feature of the Generac 7325 22kW is the included 200A automatic transfer switch. Most home electrical panels in the United States are 200-amp service-rated, which means a 200A transfer switch is the correct match for true whole-home backup coverage on the majority of American homes. By bundling the switch with the generator, Generac eliminates the most common source of installation friction: pairing a generator with a switch that turns out to be wrong-sized or incompatible after the contractor arrives on site. The Generac 7325 22kW takes this a step further than smaller bundled SKUs because the 22kW class actually has the rated headroom to deliver true whole-home coverage on the homes most American families live in.

The included 200A switch is a fully automatic, service-entrance-rated unit. That means it functions as the main disconnect for your home, simplifying the installation by removing the need for a separate main breaker. When utility power fails, the switch detects the loss within seconds, signals the Generac 7325 22kW to start, and transfers your home’s entire electrical load to backup power. When utility power returns and stabilizes, the switch transfers back automatically and signals the generator to shut down after a brief cool-down cycle. The entire process happens without homeowner intervention, even if you are not home when the outage occurs. This is why the Generac 7325 22kW is the most common single-purchase backup power solution sold to typical American homes today.

For installers, the matched bundle saves time on the project. The switch is pre-programmed for the 7325, the wiring documentation is unified, and the warranty paperwork covers both pieces under one registration. For homeowners, the bundle saves money compared to buying the components separately, and it eliminates any finger-pointing between manufacturers if a warranty issue ever arises. You can browse the full Generac home standby generators 10kW to 28kW collection if you want to compare the 7325 against other Guardian variants before deciding.

Next Generation Performance: What Changed in the 22kW Class

Generac’s Next Generation 22kW lineup represents a meaningful refresh of the Guardian platform. The G-Force engine has been refined for improved fuel efficiency, particularly at partial-load operation, which is where most real-world outage runtime actually happens. Sound output has been reduced through enclosure acoustics, baffle changes, and exhaust tuning, making the Generac 7325 22kW noticeably quieter than older 22kW Guardians during weekly self-test cycles and during sustained outage operation.

The control system has also been updated. Mobile Link Wi-Fi remote monitoring is included as standard on the Generac 7325 22kW, the Evolution controller is more responsive and easier to read, and fault diagnostic codes have been simplified for faster troubleshooting by service technicians. None of this changes the fundamental rated output of 22kW, which is the same as prior 22kW Guardian generations. What changes is how the unit feels to live with: quieter, more efficient, and more transparent about its own operating status.

Why 22kW Is the Sweet Spot for Most American Homes

The 22kW class has dominated residential standby power sales in the United States for over a decade, and it is not by accident. It is the smallest air-cooled generator that can comfortably run a complete typical American home without aggressive load management. Smaller 18kW units work well for tight installations and budget-conscious buyers, but they require Generac’s load-shedding technology to avoid running out of headroom during peak demand moments. The Generac 7325 22kW gives you genuine breathing room: a 4-ton central AC, a well pump, an electric water heater, a kitchen full of appliances running simultaneously, and full lighting throughout the home, all without thinking about which circuits might trip first.

For homes between 2,500 and 3,500 square feet with a single central HVAC system, the Generac 7325 22kW is almost always the right answer when sized without a professional load calculation. It is also the unit that holds resale value best because future home buyers recognize the 22kW Guardian as the residential standby standard. Stepping up to 24kW or 26kW makes sense only when you have a genuinely larger home, dual HVAC systems, or live in a hot southern climate where AC runs hard for months at a time. For everyone else, the Generac 7325 22kW is the safe, durable, well-understood choice.

Dual Fuel Operation: Propane or Natural Gas

The Generac 7325 22kW is a dual-fuel generator, which means you choose the fuel source at the time of install based on what your home already has or what your installer recommends. Homes on a natural gas line typically stay on natural gas for unlimited runtime as long as the gas service itself is operational. Homes without a gas line, or homes in hurricane and tornado zones where natural gas service can be disrupted, often go with liquid propane and a dedicated tank for fuel independence regardless of grid conditions.

One advantage of dual-fuel capability is future flexibility. If your home is currently on propane but a natural gas line is later run to your street, the Generac 7325 22kW can be reconfigured for natural gas during a routine service visit without replacing the unit. The reverse is also true. This kind of fuel-source flexibility is one of the reasons the Guardian platform has dominated the residential standby market for over a decade and remains the default recommendation across most of the United States.

Engineered for Consistent Standby Performance

The Generac 7325 22kW is powered by the upgraded Generac G-Force engine, a purpose-built standby power plant. Unlike general-purpose engines adapted for backup duty, the G-Force is designed from the ground up to run long, steady, and reliably through the kind of multi-day outages that strain lesser generators. The 22kW variant of the G-Force has additional displacement and tuning compared to the 18kW configuration, which is what gives the 7325 its load headroom advantage over smaller Guardian units.

Air cooling keeps the Generac 7325 22kW in the maintenance-light category compared to liquid-cooled commercial generators. There is no coolant to flush, no radiator to inspect, and no water pump to fail. For a residential application that runs maybe 50 to 100 hours per year between weekly self-tests and actual outages, air cooling is the right engineering trade-off and one of the reasons the Guardian platform has the cost-of-ownership advantage it does. You can compare detailed engineering specs at the Generac product reference if you want manufacturer-direct technical documentation.

Clean Power for Modern Electronics

Modern homes are full of sensitive electronics that do not tolerate dirty power. Generac’s True Power Technology in the Generac 7325 22kW produces smooth, stable output with less than 5% total harmonic distortion, which is well below the threshold required for safe operation of computers, smart TVs, variable-speed HVAC systems, refrigerator inverters, and connected smart-home devices. Variable-speed motors in modern HVAC equipment are particularly sensitive to power quality, and the True Power Technology in the 7325 ensures that backup power feels and behaves like utility power, not the rough output of an emergency generator from twenty years ago.

Generac 7325 22kW Specifications

Generac 7325 22kW FAQs

Who the Generac 7325 22kW Is Built For

The Generac 7325 22kW home standby generator is engineered for homeowners who want a complete, ready-to-install whole-home backup system with a matched 200A transfer switch in one purchase. If your home falls between 2,500 and 3,500 square feet, runs a single central air conditioning system up to four tons, has a 200-amp main service panel, and sits on either a natural gas service line or has room for a propane tank, the Generac 7325 22kW is the unit that fits cleanly. Families in hurricane zones like Florida, Louisiana, the Carolinas, and the Gulf Coast choose the 7325 for its dual fuel flexibility. Homeowners in the Northeast and Midwest choose it for reliable winter backup when ice storms knock out grid power for days at a time.

Buyers upgrading from a portable generator almost always land on a 22kW generator with transfer switch as the right step into automatic backup power. Portables require manual setup, extension cord management, and fuel refilling every few hours. The Generac 7325 22kW eliminates all of that. The unit starts on its own within seconds of an outage, runs indefinitely on natural gas as long as the gas service is intact, and shuts down automatically when utility power returns. For first-time standby buyers, the 7325 bundle is also the easiest path because it removes the decision fatigue of selecting a separate transfer switch. You can compare other variants in the complete Generac product lineup if you want to weigh other options before committing.

Generac 7325 vs Generac 7260: Which Should You Buy?

The Generac 7325 and the Generac 7260 are siblings in the Next Generation 22kW Guardian generator lineup. Same engine, same enclosure, same fuel options, same warranty, same Mobile Link monitoring. The only meaningful difference is whether a 200A automatic transfer switch is included in the box.

Choose the Generac 7325 22kW if you do not yet have a transfer switch installed and want a complete one-purchase system, if your service panel is 200-amp rated (the most common configuration in modern American homes), and if you want unified warranty coverage across the generator and the switch. The 7325 is the right choice for the vast majority of new whole-home backup installations.

Choose the Generac 7260 22kW if you already have a compatible transfer switch installed from a prior project, if you want to specify a different switch model such as a smart load management panel or a non-200A configuration, or if you are working with an installer who has a strong preference for a specific aftermarket switch brand. The 7260 ships at a lower price point because the switch is excluded.

If you are still weighing the two options, the IB Lighting team is happy to walk through your specific install scenario and recommend the correct SKU before you order. Most calls end with the Generac 7325 22kW being the right pick, but the 7260 is genuinely the better choice for a meaningful minority of installations.

Installation Planning for the Generac 7325 22kW

Professional installation is required for every home standby generator, and proper planning before delivery saves days on the project timeline. A typical Generac 7325 22kW install includes pouring a concrete pad or placing a composite generator pad, routing a natural gas line or setting a propane tank with a regulator, wiring the included 200A transfer switch as the new main service disconnect, and commissioning the unit with its first start and load test. Most installations complete in one to two days once the permit is approved and the fuel contractor has finished the gas line work.

Local code requirements vary by state and municipality. Setback distances from property lines, window clearances, and permit paperwork all depend on where the unit is being installed. A licensed electrician familiar with Generac products will handle the permit process as part of the install quote. Because the Generac 7325 22kW includes a service-entrance-rated transfer switch, the install becomes simpler in homes where the existing main breaker can be replaced by the switch rather than retained alongside it. Your installer will confirm which configuration applies to your panel during the site visit.

Mobile Link Wi-Fi Remote Monitoring Included

The Generac 7325 22kW ships with Generac’s Mobile Link Wi-Fi monitoring system included at no additional cost. Mobile Link connects the generator to your home Wi-Fi network and pushes real-time status updates to an app on your phone. You receive notifications when the generator starts during an outage, when it stops, when it completes its weekly self-test, and most critically, when a fault occurs or a scheduled maintenance interval is approaching.

For homeowners who travel, own a second home, rent out property, or simply want peace of mind while at work, Mobile Link turns the Generac 7325 22kW into a remotely monitored backup system. The app also logs runtime hours automatically, which matters for warranty documentation and for scheduling oil changes at the right intervals. If you work with a local generator service company for annual maintenance, most accept Mobile Link data as proof of proper maintenance cadence, simplifying warranty claims if they ever arise.

Generac 7325 22kW Maintenance Schedule and Long-Term Care

The Generac 7325 22kW needs periodic maintenance to deliver its full 20 to 30 year service life. Generac designed the Next Generation Guardian for light maintenance touch compared to commercial-grade liquid-cooled units. The unit runs an automatic weekly self-test, typically scheduled for a weekday morning, which exercises the engine, circulates the oil, and confirms that every component is ready when needed.

A typical Generac 7325 22kW maintenance schedule includes an oil and filter change every 200 running hours or once per year, whichever comes first. For most residential applications with weekly exercise cycles and occasional outage runtime, that works out to roughly once per year regardless of how many actual outages occurred. Spark plugs are inspected and replaced every other year or 400 running hours. Air filters are checked annually and replaced as needed based on local dust and debris conditions.

Battery replacement runs on a 3 to 5 year cycle depending on climate, with hot southern climates typically shortening battery life at the faster end of that range. The 200A transfer switch itself is essentially maintenance-free, with no fluids, filters, or wear items requiring scheduled service. A reasonable annual maintenance budget for the Generac 7325 22kW is 200 to 400 dollars in parts and service labor combined.

Noise Levels and Neighbor Considerations

The Generac 7325 22kW operates at approximately 67 dBA at 23 feet during normal load operation, slightly quieter than prior 22kW Guardian generations thanks to Next Generation acoustic refinements. That noise level is comparable to a standard dishwasher running at room distance and is well within virtually every municipal residential code in the country. During the weekly self-test cycle, which typically runs for about 12 minutes on a weekday morning at no-load, the generator is quieter still because the engine is not under load.

For installations where noise matters, whether due to close lot lines, HOA sensitivity, or a bedroom window positioned near the proposed generator location, Generac publishes detailed sound attenuation guidance in the 7325 installation manual. Siting the unit at least five feet from any window, positioning the exhaust discharge away from the neighbor’s side of the property, and maintaining the required 18 inches of clearance around the enclosure all contribute to minimum-noise operation. Your installer will walk through the site plan before the pad is poured and make any adjustments your specific lot calls for.

Browse the full Generac home standby generators 10kW to 28kW collection, compare against the Generac 7260 (no switch version), explore every Generac product we carry, or visit our customer FAQ hub.