Factory Direct Freight Delivery
Estimated Lead Time
7–14 Days
Ships From
Briggs & Stratton distribution center, direct to your address
Delivery Type
LTL freight to your curb (delivered at truck-bed level)
Liftgate service will be added to your cart ($159)
Free LTL Freight
Authorized Dealer
Full Factory Warranty
30-Day Returns
Is the Briggs & Stratton PowerProtect+ 22kW the Right Standby Generator for Your Home?
You've watched a storm roll through and taken your power with it , sometimes for hours, sometimes for days. The food spoils, the sump pump quits, and the house gets dangerously cold or hot depending on the season. For families who've been through that more than once, the question isn't whether to get a standby generator. It's which one you can actually trust.
Buy the wrong unit and you're stuck with an undersized machine that can't start your central air, a warranty that evaporates the moment something goes wrong, or a dealer who doesn't pick up the phone. That's not a backup plan , that's a different kind of stress.
The Briggs & Stratton PowerProtect+ 22kW Home Standby Generator is built for households that can't afford to get this decision wrong. It starts automatically, runs on natural gas or liquid propane, and carries one of the strongest warranties in the industry.
- Best-in-class motor starting power: Starts a 5-ton central air conditioner without hesitation, so your whole-home comfort isn't compromised during an outage.
- Vanguard commercial-grade engine: The 993cc Briggs & Stratton Vanguard engine is engineered for continuous-duty operation, not just occasional use.
- 7-year limited warranty: Covers parts, labor, and travel , an industry-leading commitment that protects your investment long after installation.
- EnergyTrak remote monitoring: 24/7 visibility into your generator's status from your phone, so you always know it's ready before you need it.
- Eco-Cise self-test mode: A 16-second weekly exercise cycle keeps the engine conditioned without the noise and fuel consumption of traditional self-test routines.
- Front-facing exhaust: Thoughtful engineering that simplifies installation and keeps exhaust directed away from the home and landscaping.
PowerProtect+ 22kW Features & Performance
Vanguard Commercial-Grade Engine
At the heart of this unit is a 993cc Briggs & Stratton Vanguard engine , the same commercial-grade platform trusted in demanding professional applications. It delivers 22 kilowatts of running power on both natural gas and liquid propane, with 91.7 running amps at 120/240 volts. That's enough capacity to run a large home's essential systems simultaneously, including HVAC, refrigeration, lighting, and medical equipment.
DuraZen Weather Protection Enclosure
The PowerProtect+ is housed in a DuraZen enclosure engineered to handle the elements. Whether it's a coastal salt environment, a Midwest ice storm, or a Southern summer, the enclosure protects the internal components and keeps the unit operating at 66 dB(A) , quiet enough that it won't disrupt your neighbors or your sleep.
EnergyTrak 24/7 Remote Monitoring
Integrated EnergyTrak connectivity gives you real-time generator status from anywhere. You'll know the moment it activates, how it's performing, and whether any alerts need attention , without walking outside to check. For homeowners who travel frequently, this feature alone is worth its weight.
Eco-Cise 16-Second Self-Test
Traditional standby generators run a 10-to-20-minute weekly exercise cycle that burns fuel and generates noise. The PowerProtect+ uses a 16-second Eco-Cise mode that keeps the engine ready without the waste. It's a small detail that reflects the engineering discipline built into this entire machine.
See full specifications below for complete electrical, dimensional, and fuel consumption data.
Ideal Use Cases for the PowerProtect+ 22kW
- Whole-Home Backup for Large Residences: With 22kW of output and a 100-amp circuit breaker, this generator can carry the full electrical load of a large home , HVAC, kitchen appliances, well pump, and more , without requiring you to prioritize circuits during an outage.
- Homes with Medical Equipment: If someone in your household depends on a CPAP, oxygen concentrator, or home dialysis machine, an automatic standby generator isn't optional. The PowerProtect+ activates within seconds of a power loss, with no manual intervention required.
- Properties in Storm-Prone Regions: Coastal, Gulf, and Midwest homeowners who face seasonal hurricane, tornado, or ice storm threats need a generator that can run for extended periods without babysitting. This unit runs on utility-supplied natural gas, so there's no fuel to store or rotate.
- Homes with 5-Ton Central Air Systems: Most standby generators struggle to start large HVAC compressors. The PowerProtect+ is rated specifically for 5-ton AC motor starting , a meaningful spec for homes in hot climates where air conditioning isn't optional.
- Homeowners Who Travel: EnergyTrak remote monitoring means you can confirm your generator is online and functioning from a hotel room, a job site, or another state. You won't come home to a flooded basement because the sump pump lost power while you were away.
Not sure if this is the right fit for your home's electrical load? Check our FAQs below or contact our power specialists , we're happy to help you size it correctly before you order.
Why Choose the PowerProtect+ 22kW Over a Portable Generator or Smaller Standby Unit?
Portable generators require manual setup, extension cords, and a trip outside in the middle of a storm. They run on gasoline that degrades in storage, and they can't be connected to your home's electrical panel without a transfer switch installed separately. The PowerProtect+ eliminates every one of those friction points , it's permanently installed, automatically activated, and fueled by your existing natural gas or propane supply.
Compared to smaller 12kW or 14kW standby units, the 22kW output means you're not forced to choose between running the air conditioner and running the refrigerator. You get the whole house, not a managed subset of it.
The 7-year warranty covering parts, labor, and travel is a genuine differentiator. Most competitors in this class offer 5-year coverage, and many exclude labor costs after the first year. Briggs & Stratton's commitment here reflects confidence in the Vanguard engine platform and the DuraZen enclosure , and it means you're protected for the long haul, not just the first season.
PowerProtect+ 22kW Specifications
| Spec | Value |
|---|---|
| SKU | 040787 |
| Running Watts (Liquid Propane) | 22 kW |
| Running Watts (Natural Gas) | 22 kW |
| Running Amperage (Liquid Propane) | 91.7 Amps |
| Running Amperage (Natural Gas) | 91.7 Amps |
| Voltage | 120 / 240V |
| Circuit Breaker | 100 Amps |
| Engine Brand | Briggs & Stratton Vanguard Commercial-Grade |
| Engine Displacement | 993 cc |
| Normal Operating Sound Level | 66 dB(A) |
| Fuel Consumption , LP (50% Load) | 217,000 BTU/hr |
| Fuel Consumption , Natural Gas (50% Load) | 194,000 BTU/hr |
| Assembled Length | 46 in. |
| Assembled Width | 27 in. |
| Assembled Height | 28 in. |
| Assembled Weight | 490 lbs. |
| Limited Warranty | 7 Years (Parts, Labor & Travel) |
What's in the Box
- Briggs & Stratton PowerProtect+ 22kW Home Standby Generator (SKU 040787)
- DuraZen weather protection enclosure (factory installed)
- Owner's manual and installation documentation
- EnergyTrak remote monitoring setup guide
- Transfer switch and fuel line connections sold separately , consult a licensed electrician for installation
Frequently Asked Questions About the Briggs & Stratton PowerProtect+ 22kW
How large of a home can the PowerProtect+ 22kW generator power during an outage?
The PowerProtect+ 22kW is well-suited for homes up to approximately 3,500 square feet, depending on the electrical load. It delivers 22 kilowatts of continuous output on both natural gas and liquid propane, with a 100-amp circuit breaker that supports whole-home coverage including HVAC, kitchen appliances, lighting, and a well pump running simultaneously. For very large homes or properties with unusually high electrical demands, we recommend consulting with a licensed electrician to confirm sizing before purchase.
Can the PowerProtect+ 22kW start a 5-ton central air conditioner?
Yes. The PowerProtect+ 22kW is specifically rated for best-in-class motor starting power capable of starting a 5-ton central air conditioning unit. This is a meaningful distinction , many standby generators in the 18kW to 20kW range struggle with large HVAC compressor startup loads, which can cause the generator to trip or underperform. The Vanguard commercial-grade engine and the unit's electrical design are built to handle that surge without issue.
What does the 7-year warranty on the PowerProtect+ actually cover?
The 7-year limited warranty covers parts, labor, and travel , which means if a covered repair is needed, Briggs & Stratton will send a technician to your location at no additional cost for the duration of the warranty period. This is one of the most comprehensive warranties in the residential standby generator category, where 5-year coverage with labor exclusions after year one is common. Purchasing from an authorized dealer like Mighty Generators is required to activate and maintain full warranty coverage.
Does the PowerProtect+ 22kW require professional installation?
Yes. Like all permanently installed standby generators, the PowerProtect+ must be installed by a licensed electrician and, where required, a licensed gas plumber. Installation involves connecting the unit to your home's electrical panel via a transfer switch, running a fuel line from your natural gas meter or propane tank, and placing the generator on a properly prepared concrete pad. Permits are typically required by local municipalities. Mighty Generators can help connect you with installation resources in your area.
How does the Eco-Cise self-test on the PowerProtect+ work, and will it disturb my neighbors?
The Eco-Cise self-test runs for just 16 seconds once per week, compared to the 10-to-20-minute exercise cycles common on traditional standby generators. At a normal operating sound level of 66 dB(A) , roughly equivalent to a normal conversation , the PowerProtect+ is among the quieter units in its class. The brief weekly test keeps the engine conditioned and ready without the extended noise and fuel consumption of older self-test designs.
Is the PowerProtect+ 22kW a better choice than a large portable generator for whole-home backup?
For permanent whole-home backup, the PowerProtect+ offers significant advantages over even the largest portable generators. It activates automatically within seconds of a power loss, runs on your existing natural gas or propane supply with no fuel storage required, and requires no manual setup or extension cords. Portable generators must be operated outdoors at a safe distance from the home, can't be directly wired to your panel without a separate transfer switch, and depend on gasoline that degrades over time. For homeowners who want reliable, hands-free protection, a permanently installed standby unit is the more practical long-term solution. Still have questions? Contact our power specialists before you order.
Warranty & Authorized Dealer Assurance
The Briggs & Stratton PowerProtect+ 22kW comes backed by a 7-year limited warranty covering parts, labor, and travel , one of the strongest coverage commitments available in residential standby power. That warranty is only valid when the unit is purchased from an authorized Briggs & Stratton dealer and professionally installed according to manufacturer guidelines.
Mighty Generators is an authorized Briggs & Stratton dealer. Every unit we sell is genuine, covered by the full manufacturer warranty, and supported by our team before and after your purchase. You won't find gray-market units, voided warranties, or unanswered emails here.
Order from Mighty Generators, an authorized Briggs & Stratton dealer, for full warranty coverage, expert support, and fast shipping. Questions? Our power specialists are here to help , contact us before or after your purchase.