Briggs & Stratton PowerProtect+ 18kW Standby Generator with 200A Symphony Choice Transfer Switch

Is the PowerProtect+ 18kW the Right Standby Generator for Your Home?

You've watched a storm knock out power for three days straight , no heat, no refrigerator, no way to charge medical equipment, and extension cords snaking dangerously through doorways just to keep the lights on. That's not a solution. That's a liability.

Without a properly installed standby system, every outage puts your family at risk and leaves your home vulnerable. Back-feeding power into the grid without the right transfer switch is illegal and can kill utility workers. Running undersized equipment means your critical loads go dark anyway.

The Briggs & Stratton PowerProtect+ 18kW Standby Generator with 200A Symphony Choice Transfer Switch is built to eliminate all of that. It connects directly to your home's electrical panel, switches on automatically within seconds of an outage, and manages your critical circuits intelligently , no extension cords, no guesswork, no code violations.

• 18kW of clean, reliable output on both natural gas and liquid propane , enough to run your HVAC, refrigerator, sump pump, and more simultaneously.
• Starts a 5-ton AC unit thanks to best-in-class motor starting power , no more worrying about your central air tripping the generator under load.
• 200A Symphony Choice Transfer Switch included , gives you intelligent circuit prioritization so your most critical loads are always covered first.
• Vanguard commercial-grade engine , the same engine platform trusted in demanding commercial applications, not a consumer-grade motor dressed up in a residential enclosure.
• 7-year warranty covering parts, labor, and travel , the longest coverage in the industry, so your investment is protected long after installation.
• EnergyTrak 24/7 remote monitoring , check generator status from your phone at any time, so you always know your home is protected.

PowerProtect+ 18kW Features & Performance

Vanguard Commercial-Grade Engine

The 993cc Briggs & Stratton Vanguard engine at the heart of this unit isn't borrowed from a lawn tractor. It's a purpose-built commercial platform engineered for sustained operation under heavy load. That distinction matters when your generator needs to run for 72 hours straight during a winter storm.

Symphony Choice Power Management

The included 200A Symphony Choice Transfer Switch does more than just switch between grid and generator power. It actively manages your home's electrical loads, prioritizing critical circuits and shedding non-essential ones when demand spikes. The result is smarter power distribution without manual intervention , and without overloading the generator.

Front-Facing Exhaust and DuraZen Enclosure

The front-facing exhaust design allows for closer installation to your home's exterior wall without directing fumes toward windows, doors, or landscaping. The DuraZen weather protection enclosure is engineered to handle extreme temperatures, UV exposure, and heavy precipitation , keeping internal components protected year after year.

Eco-Cise Weekly Self-Test

Every week, the PowerProtect+ runs a 16-second Eco-Cise self-test to verify it's ready to perform when called upon. It's quiet enough at 66 dB(A) that it won't disturb your neighbors, and it keeps the engine conditioned without burning excess fuel.

EnergyTrak Remote Monitoring

EnergyTrak gives you 24/7 visibility into your generator's status through a connected app. Know when it's running, when it self-tested, and whether any alerts need attention , all without walking outside. See full specifications below.

Ideal Use Cases for the PowerProtect+ 18kW with Symphony Choice

• Whole-home backup for larger residences: At 18kW, this unit has the headroom to power a full-size home , HVAC, kitchen appliances, lighting, sump pump, and security systems , without load-shedding compromises. If your home runs on a 200A service panel, this system is sized to match it.
• Homes with medical equipment dependencies: Oxygen concentrators, CPAP machines, refrigerated medications, and home dialysis equipment can't wait for a manual transfer. The automatic switching capability of this system means power restoration happens in seconds, not minutes.
• Properties in storm-prone or rural areas: If your utility reliability is measured in outages per season rather than per decade, a permanently installed standby system isn't a luxury , it's infrastructure. This unit runs on natural gas or liquid propane, so fuel supply isn't tied to a gas station that's also without power.
• New construction and whole-home electrical upgrades: Electricians and contractors specifying standby power for new builds or panel upgrades will appreciate the clean integration of the Symphony Choice 200A transfer switch with standard residential service entrances.
• Vacation homes and rental properties: EnergyTrak remote monitoring lets you confirm the generator is operational from anywhere , critical when you're not on-site and a tenant or caretaker needs to know the backup system is ready.

Not sure if this configuration is the right fit for your panel setup? Check our FAQs below or contact our power specialists before you order.

Why Choose the PowerProtect+ 18kW Over a Traditional Standby or Portable Setup

Portable generators and manual transfer switches put the burden on you , you have to be home, you have to start the unit, and you have to manage the load yourself. In a nighttime outage during a winter storm, that's a real problem. The PowerProtect+ 18kW activates automatically, without anyone touching a switch.

Compared to other 18kW-class standby generators, the PowerProtect+ stands apart on warranty coverage. A 7-year warranty that includes parts, labor, and travel is genuinely rare in this category , most competitors offer 5 years on parts only, leaving you to absorb labor costs on any service call after year one.

The Symphony Choice Power Management system also sets this bundle apart from basic transfer switch configurations. Rather than simply switching all circuits on or off, it intelligently prioritizes loads , so your refrigerator and medical equipment stay on even if the generator needs to shed the electric dryer during a demand spike.

Briggs & Stratton's Vanguard engine line has a long track record in commercial and industrial applications. That heritage translates directly to reliability and parts availability for residential installations.

PowerProtect+ 18kW Specifications

What's in the Box

• PowerProtect+ 18kW Home Standby Generator
• 200A Standard SED Transfer Switch
• Symphony Choice Power Management Module

Frequently Asked Questions About the PowerProtect+ 18kW Standby Generator

Will the PowerProtect+ 18kW handle a 5-ton central air conditioner?

Yes. The PowerProtect+ 18kW is rated with best-in-class motor starting power specifically designed to start a 5-ton AC unit , one of the most demanding startup loads in a residential setting. Many competing 18kW units struggle with large HVAC compressors on startup; this generator is engineered to handle it without tripping or stalling.

How does the Symphony Choice Transfer Switch prevent back-feeding power to the grid?

The 200A Symphony Choice Transfer Switch creates a physical and electrical break between your utility connection and your generator circuit. When the generator is supplying power, the utility side is isolated , making it impossible for generator power to back-feed onto the grid. This is a code-required safety feature that protects utility workers performing line repairs during an outage.

Does the PowerProtect+ 18kW start automatically during a power outage?

Yes. The system monitors your utility feed continuously. When it detects an outage, the generator starts automatically and the transfer switch shifts your home's circuits to generator power , typically within seconds. No one needs to be home, and no manual steps are required. When utility power is restored, the system transfers back and the generator shuts down on its own.

What's the difference between the Symphony Choice system and a standard transfer switch?

A standard transfer switch simply connects your panel to the generator. Symphony Choice adds intelligent load management , it monitors real-time power demand and can automatically shed lower-priority circuits if the generator approaches its capacity limit, then restore them when headroom is available. This protects the generator from overload and keeps your highest-priority circuits running continuously.

Is the PowerProtect+ 18kW loud enough to bother neighbors?

At 66 dB(A) during normal operation, the PowerProtect+ is comparable to a normal conversation or a window air conditioner. The weekly Eco-Cise self-test runs for only 16 seconds, so routine maintenance cycles won't be a nuisance. Placement and local ordinances will affect perceived noise levels, so confirm setback requirements with your installer.

What does the 7-year warranty on the PowerProtect+ actually cover?

The industry-leading 7-year limited warranty covers parts, labor, and travel , meaning if a covered repair is needed, you won't be billed for the technician's time or mileage to reach your home. Most standby generator warranties in this class cover parts only after year two or three, leaving labor costs to the homeowner. Still have questions? Contact our power specialists before you order.

Warranty & Authorized Dealer Information

The Briggs & Stratton PowerProtect+ 18kW carries a 7-year limited warranty covering parts, labor, and travel , the longest standard warranty in its class. To keep that coverage intact, the generator must be purchased from an authorized dealer and installed by a licensed electrician in accordance with local codes.

Mighty Generators is an authorized Briggs & Stratton dealer. Every unit we sell comes with full manufacturer warranty support, no gray-market risk, and access to the Briggs & Stratton authorized service network. Order from Mighty Generators for full warranty coverage, expert support, and fast shipping.

Questions? Our power specialists are here to help , contact us before or after your purchase. We can assist with compatibility questions, installation planning, and connecting you with a certified installer in your area.

Compare with other Briggs & Stratton standby generators

• PowerProtect+ 18kW standalone
• PowerProtect+ 22kW Symphony Choice bundle
• All Briggs & Stratton standby generators