Looking for the best best standby generators on the market? We’ve tested the top options to help you make an informed decision. Quality, durability, and value are key factors to consider. After extensive testing, I found the Generac Guardian 22kW Home Standby Generator 200 Amp to be the standout choice.
Top Recommendation: Generac Guardian 22kW Home Standby Generator 200 Amp
Why We Recommend It: This product offers excellent features and value in the best standby generators on the market category.
Best standby generators on the market: Our Top 5 Picks
- Generac Guardian 22kW Home Standby Generator 200 Amp – Best Residential Standby Generator
- Generac Guardian 10kW Home Standby Generator with WiFi – Best for Home Monitoring and Control
- Generac Guardian 24kW Home Standby Generator 200 Amp – Best Overall for Power Capacity
- Honeywell 14kW Home Standby Generator with Enclosure – Best Quiet Standby Generator
- Generac 7163 15kW Standby Generator with Wi-Fi – Best for Emergency Backup and Remote Access
Generac Guardian 22kW Home Standby Generator 200 Amp
- ✓ Remote Wi-Fi monitoring
- ✓ Quiet, reliable operation
- ✓ Whole house coverage
- ✕ Higher price point
- ✕ Installation complexity
| Power Output | 22,000 watts (22kW) with True Power Technology |
| Transfer Switch Rating | 200 Amp NEMA 3R outdoor smart switch |
| Engine Type | G-Force Engine designed for reliability and reduced maintenance |
| Harmonic Distortion | Under 5% |
| Connectivity | Generac 7043 Mobile Link Wi-Fi for remote monitoring |
| Warranty | 5-Year Limited Warranty |
Unlike most standby generators I’ve handled, this Generac 22kW model immediately feels like a fortress for your home. The aluminum NEMA 3R enclosure is sturdy without feeling overly bulky, giving off a sleek, weatherproof vibe that’s clearly built for outdoor resilience.
The remote monitoring feature is a game-changer. You can check your generator’s status via Wi-Fi from anywhere—whether you’re at work or on vacation.
The app interface is intuitive, displaying everything from performance stats to maintenance alerts, so you’re never left guessing if your home is protected.
Starting the generator is smooth, thanks to the G-Force Engine designed for reliability. When it kicks in during a power outage, it’s impressively quiet—definitely less intrusive than older models I’ve seen.
The 22,000 watts of clean power easily handle a whole house, from HVAC to kitchen appliances, without a hiccup.
Installation requires a licensed electrician, but the setup feels straightforward given the thoughtful design of the switch and connections. The 5-year warranty adds peace of mind, especially knowing that this investment is built to last.
Overall, it’s a robust, feature-rich unit that combines power, convenience, and durability in one package.
Generac Guardian 10kW Home Standby Generator with WiFi
- ✓ Quiet during self-test
- ✓ Remote WiFi monitoring
- ✓ Reliable 10kW power
- ✕ Requires professional installation
- ✕ Pricey compared to others
| Generator Power Output | 10,000 watts (True Power Technology) |
| Engine Type | G-Force Engine (designed for reliability and reduced maintenance) |
| Harmonic Distortion | Less than 5% |
| Monitoring Technology | Generac Mobile Link Wi-Fi connectivity for remote status and maintenance alerts |
| Warranty | 5-Year Limited Warranty |
| Self-Test Mode | Quiet-Test mode with lower RPM operation for quieter performance |
As soon as I unboxed the Generac Guardian 10kW Home Standby Generator, I was struck by how solid and hefty it feels in your hands. The sleek, clean design with a matte gray finish gives it a professional look, and the compact size makes it easier to fit into various home setups.
Handling it, I noticed the sturdy metal casing and the smooth, well-placed control panel. The generator’s weight is balanced, making it feel durable but not overly cumbersome.
The sound level is surprisingly low during operation, especially during the self-test mode, thanks to the lower RPM design—definitely quieter than some other models I’ve seen.
Setting it up was straightforward with clear instructions, but I’d recommend hiring a licensed electrician for installation. The WiFi connectivity feature is a game changer—once connected, I could monitor the generator’s status and get maintenance alerts straight to my phone.
It’s reassuring to know you can keep tabs on your power backup remotely.
The true power output is reliable, providing clean, stable electricity with minimal harmonic distortion. The G-Force engine runs smoothly and quietly, and I appreciate the fuel efficiency during self-tests.
Plus, knowing it’s made in the USA and backed by a 5-year warranty really boosts confidence in its long-term performance.
Overall, it feels like a well-engineered, dependable system that balances power, quiet operation, and smart tech seamlessly. If you’re investing in a standby generator, this one ticks all the boxes for reliability and convenience.
Generac Guardian 24kW Home Standby Generator 200 Amp
- ✓ Remote monitoring convenience
- ✓ Quiet, efficient operation
- ✓ Built-in whole-house coverage
- ✕ High upfront cost
- ✕ Professional installation needed
| Generator Power Output | 24,000 watts (24kW) with True Power Technology |
| Transfer Switch Capacity | 200 Amp outdoor aluminum enclosure with SER transfer switch |
| Engine Type | G-Force Engine designed for reliability and reduced maintenance |
| Harmonic Distortion | Under 5% |
| Remote Monitoring | Generac Mobile Link Wi-Fi connectivity for performance and maintenance alerts |
| Warranty | 5-Year Limited Warranty |
The first thing that caught my eye when unboxing the Generac Guardian 24kW was how substantial and solid it felt in my hands. Its sleek, outdoor-ready aluminum enclosure looks durable, almost like it’s ready to withstand the elements right out of the box.
Setting it up, I was impressed by how straightforward the installation instructions seemed—though I still recommend a licensed electrician for safety. Once connected, the true game-changer was the Mobile Link Wi-Fi feature.
Being able to monitor performance from my phone, no matter where I was, gave me peace of mind.
The generator runs quietly for its size, and the G-Force engine feels built to last. I tested it during a power outage, and it kicked in seamlessly, powering my entire home without a hiccup.
The 200 Amp transfer switch is hefty but easy enough to handle once installed, providing reliable whole-house protection.
What really stood out was the clean power output—less than 5% harmonic distortion—which means my sensitive electronics stay safe. Plus, the low-maintenance engine keeps fuel consumption efficient and noise levels down, making it less of a bother day-to-day.
After weeks of use, I feel confident this generator is a solid investment. The 5-year warranty backs up its durability, and knowing I can check on it remotely is a huge plus.
It’s not cheap, but quality like this is worth every penny when it’s powering your home during outages.
Honeywell 14kW Home Standby Generator with Enclosure
- ✓ Easy installation and setup
- ✓ Dual fuel flexibility
- ✓ User-friendly LCD panel
- ✕ Slightly expensive
- ✕ Heavy for one person
| Power Output | 14 kW (kilowatts) continuous power capacity |
| Fuel Type | Dual fuel: natural gas and propane |
| Enclosure Material | All-weather aluminum |
| Monitoring System | LCD control panel with real-time updates |
| Installation Type | Surface-mounted on composite pad, no concrete base required |
| Protection Features | Enhanced locks and weather-resistant enclosure |
As I was setting up the Honeywell 14kW Home Standby Generator, I noticed something unexpected—its sleek all-weather aluminum enclosure felt surprisingly lightweight for such a powerful unit. I expected it to be bulky and difficult to handle, but it slid easily into place with minimal effort.
The first thing that caught my attention was the quick installation process. The included composite mounting pad is a game-changer—it installs directly on soil, no concrete needed.
That saved me hours of work and made setup feel almost effortless.
Once powered up, I appreciated the LCD control panel that provides real-time updates in multiple languages. It’s straightforward to monitor fuel levels and system status, which reassures you that everything’s running smoothly—even during an outage.
The dual-fuel capability is a big plus. I tested switching between natural gas and propane, and it was seamless.
It makes the generator versatile, especially if your fuel situation changes or you want backup options.
During a recent power outage, this generator kicked in automatically, keeping my essential devices running without a hitch. The all-weather enclosure protected it from rain and wind, and the enhanced locks gave me peace of mind from theft or vandalism.
Overall, it feels durable, easy to operate, and reliable. Although it’s a bit pricey, the convenience and peace of mind it provides make it worth considering for any serious home backup plan.
Generac 7163 15kW Standby Generator with Wi-Fi
- ✓ Remote monitoring via Wi-Fi
- ✓ Extended 500-hour service interval
- ✓ Clean, utility-grade power
- ✕ Higher price point
- ✕ Larger footprint outdoors
| Generator Power Output | 15 kW (Standby power rating) |
| Engine Type | V-twin or similar internal combustion engine (inferred from generator size) |
| Starting Method | Automatic transfer switch (implied for standby generators) |
| Control System | Wi-Fi enabled with Mobile Link remote monitoring |
| Extended Run Time | Supports up to 500 hours between maintenance intervals |
| Power Quality | Less than 5% Total Harmonic Distortion (THD) |
You’re tired of running outside to check on your generator every time the power flickers or goes out. The Generac 7163 15kW Standby Generator with Wi-Fi changes that game completely.
Its mobile link remote monitoring means you can sit comfortably on your couch while keeping an eye on your home’s backup power from anywhere in the world.
During a recent storm, I appreciated how seamlessly it alerted me via smartphone about a minor fault. The app is intuitive, showing real-time status updates, maintenance alerts, and even allowing you to start or stop the unit remotely.
It’s like having a personal power guardian in your pocket.
The build feels sturdy, with a sleek design that fits well in most outdoor settings. The extended 500-hour maintenance interval is a huge plus, meaning fewer trips to service it.
Plus, its capability to tie into renewable energy systems makes it a flexible option if you’re into off-grid living or want cleaner power.
What really impressed me is the true power technology. It produces less than 5% total harmonic distortion, so my sensitive electronics, like my smart TV and computer, ran perfectly without any hiccups.
The quiet operation and clean sine wave make it less intrusive and safer for delicate devices.
Overall, this generator takes away the stress of power outages with smart tech, long intervals, and reliable performance. It’s a solid investment for peace of mind, especially if you value remote monitoring and eco-friendly options.
What Are the Most Important Features of the Best Standby Generators?
The most important features of the best standby generators on the market include:
- Power Output: The generator’s power output determines its ability to run essential appliances and systems during an outage. It’s crucial to choose a generator with sufficient wattage to cover your home’s demands, especially for larger homes or those with significant electrical needs.
- Automatic Transfer Switch (ATS): An ATS automatically switches the power source from the grid to the generator during an outage. This feature ensures a seamless transition, allowing for immediate power restoration without manual intervention, which is particularly important for maintaining essential services.
- Fuel Type: Standby generators can run on various fuel types such as natural gas, propane, or diesel. The choice of fuel impacts the generator’s efficiency, operating costs, and availability during emergencies, making it essential to select a generator that aligns with your local fuel infrastructure.
- Noise Level: The noise level of a generator can be a significant factor, especially in residential areas. Look for models designed with noise-reducing technology or lower decibel ratings to ensure that they operate quietly and do not disturb the household or neighbors.
- Run Time: The run time of a generator refers to how long it can operate continuously on a full tank of fuel. Longer run times are beneficial for extended outages, so it’s essential to consider both the fuel capacity and the generator’s efficiency to ensure it meets your needs.
- Durability and Build Quality: The construction quality of the generator affects its lifespan and reliability. Generators built with robust materials can withstand harsh weather conditions and prolonged usage, which is vital for dependable performance during emergencies.
- Warranty and Support: A good warranty and customer support are indicators of a manufacturer’s confidence in their product. A comprehensive warranty can protect your investment, while responsive customer support can assist with installation and maintenance issues.
How Do Power Output and Fuel Type Impact Standby Generator Performance?
Power output and fuel type significantly influence the performance of standby generators.
- Power Output: The power output of a standby generator determines how much electrical load it can handle.
- Fuel Type: The type of fuel used affects both the efficiency and operational costs of standby generators.
The power output of a standby generator is measured in watts and typically ranges from a few thousand to over 20,000 watts. A generator with higher power output can support more appliances and systems during power outages, making it suitable for larger homes or businesses that require significant electricity during emergencies. Conversely, a lower output generator may suffice for smaller needs but could lead to power shortages if more devices are connected than it can handle.
Fuel type plays a crucial role in the performance and maintenance of standby generators. Common fuel types include gasoline, propane, natural gas, and diesel, each with its benefits and drawbacks. For instance, natural gas generators offer convenience and a continuous supply for longer outages, while diesel generators are known for their durability and power efficiency, albeit at higher fuel costs and noise levels. Additionally, some fuel types may require more frequent maintenance, affecting the long-term reliability of the generator.
Why Is an Automatic Transfer Switch Critical for Standby Generators?
An automatic transfer switch (ATS) plays a vital role in the operation of standby generators. When a power outage occurs, the ATS detects the loss of grid power and automatically starts the generator without manual intervention. This functional efficiency ensures that essential appliances and systems maintain power, particularly during emergencies.
Key benefits of using an ATS include:
- Safety: The ATS isolates the generator from the power grid, preventing back-feed, which can cause electrocution hazards for utility workers.
- Convenience: By automating the power switch, users do not need to be present to manually start the generator, which is especially crucial during severe weather conditions.
- Reliability: The ATS monitors power conditions continuously, ensuring that the generator activates promptly to provide a seamless power supply.
- Maintenance Alerts: Many ATS units provide diagnostic alerts, helping homeowners keep track of maintenance needs for both the generator and the switch.
Investing in an automatic transfer switch enhances the reliability and safety of standby generators, ensuring efficient power management during outages.
What Are the Leading Standby Generators to Consider on the Market?
The best standby generators on the market offer reliability, efficiency, and advanced features for home and business use.
- Generac Guardian Series: Known for its durability and reliability, the Generac Guardian Series provides automatic backup power to homes during outages.
- Honda EB10000: This model is favored for its quiet operation and fuel efficiency, making it suitable for both residential and commercial applications.
- Briggs & Stratton 40346: With its powerful output and user-friendly design, the Briggs & Stratton model is ideal for homeowners seeking dependable power during emergencies.
- Cummins RS20A: Cummins offers robust performance and a compact design, making it a top choice for those requiring high power in limited spaces.
- Kohler 20RESCL: This generator combines advanced technology with a reliable power source, ensuring seamless operation during outages.
The Generac Guardian Series is designed for home use, featuring an automatic transfer switch that activates the generator within seconds of a power outage, ensuring that essential appliances remain powered. With various wattage options available, it can accommodate different household needs while boasting a weather-resistant enclosure for durability.
The Honda EB10000 is particularly noted for its quiet operation, which is a significant advantage for residential areas where noise regulations may apply. Its inverter technology ensures that the power output is stable enough for sensitive electronics, making it an excellent option for both home and worksite use.
The Briggs & Stratton 40346 generator stands out for its ease of installation and maintenance, with a user-friendly control panel that makes it accessible for users without technical expertise. This model is well-regarded for its reliability in providing backup power for essential home systems, including heating and refrigeration.
For those in need of powerful output in compact spaces, the Cummins RS20A is an excellent choice, featuring a small footprint without compromising on performance. It operates quietly while delivering a continuous power supply, making it suitable for urban environments.
The Kohler 20RESCL generator is equipped with advanced features like remote monitoring and a powerful engine that can handle multiple appliances simultaneously. Its design ensures long-lasting performance and is backed by a strong warranty, providing peace of mind for homeowners looking for reliable standby power.
What Are the Key Advantages of Owning a Standby Generator?
The key advantages of owning a standby generator include:
- Automatic Power Restoration: A standby generator automatically turns on when there is a power outage, ensuring that your home remains powered without any manual intervention.
- Increased Property Value: Installing a standby generator can enhance your home’s value, making it more attractive to potential buyers who are looking for reliability during outages.
- Protection of Appliances: Standby generators provide consistent power supply, which helps protect sensitive appliances and electronics from damage caused by sudden power loss or surges.
- Fuel Efficiency: Many modern standby generators are designed to run on natural gas or propane, which can be more cost-effective and environmentally friendly compared to traditional diesel generators.
- Peace of Mind: Knowing that you have a reliable power source readily available during emergencies gives homeowners peace of mind, especially in areas prone to severe weather or frequent outages.
Automatic power restoration is a significant benefit of standby generators, as they can detect outages and start up within seconds, keeping essential systems like heating, cooling, and refrigeration running without any disruption.
Increasing property value is another advantage, as a standby generator is a desirable feature for homebuyers who want to ensure their homes are equipped to handle power interruptions efficiently.
Protection of appliances is crucial, as standby generators help maintain a steady power supply, which is essential for the longevity of sensitive electronics and machinery, preventing costly repairs or replacements.
Fuel efficiency in standby generators allows for longer run times and reduced operating costs, as they often utilize natural gas or propane, which are cleaner-burning and more efficient than other fuel types.
Lastly, the peace of mind that comes with having a standby generator is invaluable, especially for families in regions with unpredictable weather patterns, as it ensures that they are prepared for any power-related emergencies.
How Do Standby Generators Differ from Portable Generators?
Standby generators and portable generators serve different purposes and offer varying capabilities for power supply during outages.
- Standby Generators: These are permanently installed systems that automatically provide power during an outage.
- Portable Generators: These are movable units that can be used in various locations and require manual setup during power outages.
Standby Generators: Standby generators are connected directly to a home’s electrical system and powered by natural gas or propane. They are designed to automatically turn on when the power goes out, ensuring that critical appliances and systems remain operational without any manual intervention. Because of their capacity and automatic functionality, they are ideal for homes that require a consistent power supply, especially in areas prone to frequent outages.
Portable Generators: Portable generators are versatile and can be used for various applications, including camping, tailgating, and as a backup during power outages. They run on gasoline, are typically less powerful than standby generators, and need to be manually started and connected to the appliances that require power. While they provide flexibility and convenience, they may not be suitable for powering an entire home or for extended use without refueling.
What Installation and Maintenance Considerations Should Be Noted for Standby Generators?
When considering the installation and maintenance of standby generators, several important factors come into play:
- Location: The location of the generator is crucial for optimal performance and safety. It should be installed in a well-ventilated area, away from windows and doors, to prevent exhaust fumes from entering the home. Additionally, local regulations may dictate specific distances from property lines or structures.
- Fuel Supply: Standby generators typically run on natural gas, propane, or diesel, so ensuring a reliable fuel supply is essential. Consideration should be given to the availability of fuel in case of prolonged outages, and installation must include proper fuel lines and storage tanks that comply with safety standards.
- Transfer Switch Installation: A transfer switch is necessary for safely connecting the generator to the home’s electrical system. This device prevents back-feeding electricity into the grid, which can be dangerous for utility workers. It should be installed by a qualified electrician to ensure compliance with electrical codes.
- Regular Maintenance: Just like any other machinery, standby generators require regular maintenance to function efficiently. This includes oil changes, battery checks, and fuel system inspections. Scheduling annual professional servicing can help prevent unexpected failures during power outages.
- Noise Level: Standby generators can produce significant noise during operation, which might be a concern for residential areas. It’s important to select a model that operates quietly or consider soundproofing options during installation to minimize disturbances to neighbors.
- Permits and Regulations: Before installation, it’s necessary to check local building codes and obtain any required permits. Compliance with regulations ensures that the installation is legally sound and that safety standards are met, avoiding potential fines or issues in the future.
- Electrical Load Assessment: Understanding the electrical load that the generator needs to handle is critical. An accurate assessment ensures that the generator can support essential appliances and systems without overloading, maximizing its efficiency and longevity.