Best Standby Generators For Home Use

Standby Home Generator

To determine the best standby generator for your home use you should consider the following things.

Do you want a generator to power your whole house or just the basic items needed in an emergency? If you want a whole home generator you’ll need to be ready for a heavy expense. You’ll want an automatic transfer switch as well that will monitor for a loss of power and switch the home to the generator in case of an outage.

Your power requirements will make the difference in which generator you choose. A whole home generator will generally require about 20 to 25 kW as well, whereas an emergency only generator could be 5,000 to 8,000 watts.

What size generator do I need for my home?

The next consideration when buying a standby generator is fuel type. Generators can be fueled by natural gas, propane, or diesel. Gasoline usually isn’t considered the best fuel for a home generator as it has a relatively short usage window. Natural gas or propane could be stored and available for longer periods of time.

Whatever you choose a standby generator can provide you with great peace of mind in case of a power outage situation. Knowing that you’ll always be able to keep your home up and running can be well worth the investment.

Here are our top choices for standby home generators.

1. Generac 70432 Home Standby Generator Guardian Series 22kW/19.5kW Air Cooled with Wi-Fi and Transfer Switch, Aluminum

The Generac 70432 provides 22kW starting power and 19.5 kW of running power and should be quite capable of running your whole home during a power outage. It comes with a 200 amp automatic transfer switch and an aluminum enclosure.

It also has smart controls that let you monitor the battery and maintenance needs of your generator. Wi-Fi connection enables you to track the status of the machine at any time with ease.

What type of fuel does it run on? You can choose to connect it to liquid propane or natural gas fuel sources. You can also choose to power only emergency circuits or your whole home. This generator will keep running as long as you need it until your power comes back on.


  • 19.5 kW running watts capable of powering your whole home
  • 200 amp automatic transfer switch to switch to generator power automatically when power goes out
  • Smart LCD screen to control and monitor maintenance of the generator


  • Must be installed by a professional which can increase the cost
  • Large size, permanent installed at house and can’t be moved
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2. Briggs & Stratton 76180 25kW Standby Generator

Give your family unprecedented peace of mind that your home will operate as usual the next time the power goes out. Whether it is storm related or a blackout, the Briggs and Stratton 25kW standby generator system provides your home with reliable, automatic backup power.

Equipped with new, patented Symphony II Power Management technology, the commercial-grade Briggs and Stratton engine can power all of your home’s electrical needs, from lights to two AC units.

It automatically turns on in seconds after sensing a power outage, so life continues uninterrupted for your entire family. The liquid cooled 25kW system is also backed by our industry-leading 5-year limited warranty.


  • Briggs & Stratton 25,000-watt liquid propane or natural gas standby generator offers reliable power protection
  • Automatically senses power loss and returns your home to full function, so you won’t be left in the dark (automatic transfer switch sold separately)
  • Whole house coverage powers your essential appliances, so your daily routines won’t be interrupted
  • Comprehensive 5-year parts, labor, and travel limited warranty


  • High cost, also requires professional installation which can increase the cost
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3. Generac Guardian 7030 9/8 KW Air-Cooled Standby Generator

Connected to your existing LP or natural gas fuel supply, it kicks in within seconds of sensing power loss – automatically – and runs for as long as necessary until utility power returns. Choose from just enough power to cover essential circuits or whole house coverage.

Generac Guardian series offers benefits that few competitors can match. This new lineup of home standby generators were created to save you money on installation while offering the same reliability and peace of mind you get from all Generac home standby generators.

Features that simplify the process for installers include removable door panels, a base pad that requires minimal ground preparation & more efficient wiring techniques that save time on installation.

Innovative engine design and rigorous testing are at the heart of Generac’s success in providing the most reliable generators possible. Generac’s g-force engine line up offers added peace of mind and reliability for when you need it the most. All backed by 24/7/365 customer support and a nationwide dealer network of more than 5,000 strong.


  • True power technology delivers best-in class power quality (less than 5% thd) for Smooth operation of sensitive electronics and appliances
  • Includes a 16 circuits 100 amp, NEMA 3 (indoor or outdoor rated) transfer switch
  • Generac evolution controller features LED indicators for generator status, utility power presence or maintenance required
  • Tough, durable all-weather Aluminum enclosure offers 3 removable sides for easy access for installation, service and maintenance
  • Battery not included. Generac Battery 7030 5819 Sold Separately.


  • Must be installed by a professional which can increase the cost
  • Large size, permanent installed at house and can’t be moved
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4. Briggs & Stratton 40442 8000-watt Home Standby Generator System with 50-Amp Automatic Transfer Switch

Outlast the next power outage, and maintain your family’s comfort and power the basics with the sleek 8 kW standby generator system.

The 8,000-watt generator features the smallest footprint in its kW class, and still packs plenty of power so your home’s basic circuits and small appliances stay on during an outage all at an affordable price.


  • Includes 50 amp transfer switch with flexible indoor/outdoor installation
  • Closer placement options as close as 18 in. from your home per the National Fire Protection Agency 37 standard
  • Built from the Galvanneal steel used in the automotive industry for long-term durability
  • Comprehensive 4-year parts, labor, and travel limited warranty


  • With less kW this generator is more suited for  emergency circuits and small appliances only, not whole home use
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