10 Best Generac Generators 2026 in the United States
Winner
Generac Guardian 22kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
Generac Guardian 22kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
Chosen by 1275 this week
Generac 26kW Home Standby Generator for home use, built-in cellular connectivity, whole house generator for power backup
Generac 26kW Home Standby Generator for home use, built-in cellular connectivity, whole house generator for power backup
Generac Guardian 26kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
Generac Guardian 26kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
Generac 18kW Home Standby Generator for home use, built-in cellular connectivity, whole house generator for power backup
Generac 18kW Home Standby Generator for home use, built-in cellular connectivity, whole house generator for power backup
Generac 5,200-Watt Dual-Fuel Portable Inverter Generator - Gas and Propane Compatible - Quiet Operation - Produces Clean, Stable Power - Great for Home Backup, Camping, and RV Use
Generac 5,200-Watt Dual-Fuel Portable Inverter Generator - Gas and Propane Compatible - Quiet Operation - Produces Clean, Stable Power - Great for Home Backup, Camping, and RV Use
Generac 10kW Home Standby Generator with 16 circuit transfer switch, cellular connectivity, easy to use, whole house power backup, smart outage solution
Generac 10kW Home Standby Generator with 16 circuit transfer switch, cellular connectivity, easy to use, whole house power backup, smart outage solution
20kW Standby Generator with 200amp TS
20kW Standby Generator with 200amp TS
Generac 3,300-Watt Gas Powered Portable Inverter Generator - Lightweight and Compact - USB Ports for Device Charging - Produces Clean, Stable Power - Great for Home Backup, Camping, and RV Use
Generac 3,300-Watt Gas Powered Portable Inverter Generator - Lightweight and Compact - USB Ports for Device Charging - Produces Clean, Stable Power - Great for Home Backup, Camping, and RV Use
Generac 12,500 Starting Watt Tri-Fuel Portable Generator, Electric Start, Gas Propane Natural Gas, COsense Carbon Monoxide Detection, 9.5 Hour Runtime, Home Backup Emergency, 49-State Compliant
Generac 12,500 Starting Watt Tri-Fuel Portable Generator, Electric Start, Gas Propane Natural Gas, COsense Carbon Monoxide Detection, 9.5 Hour Runtime, Home Backup Emergency, 49-State Compliant
Generac 19,300 Starting Watt Portable Gas Generator - Electric Start - Home Backup or RV Ready - Heavy Duty Frame - Quiet, Long Runtime, Emergency Power - 49-State Compliant
Generac 19,300 Starting Watt Portable Gas Generator - Electric Start - Home Backup or RV Ready - Heavy Duty Frame - Quiet, Long Runtime, Emergency Power - 49-State Compliant
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Our Top Picks
Winner
Generac Guardian 22kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
Most important from
250 reviews
The Generac 7043 22kW Air Cooled Guardian Series Home Standby Generator is a robust option for residential use, delivering high-quality 22,000 watts of power. It features True Power Technology, ensuring clean and stable power with less than 5% total harmonic distortion, making it safe for sensitive electronics. The generator operates on either natural gas or LP gas, providing flexibility depending on fuel availability.
The 200-amp NEMA 3R smart switch ensures whole-house protection, making it ideal for comprehensive coverage during power outages. Wi-Fi connectivity allows remote monitoring, so you can keep track of its performance and maintenance needs from anywhere, offering peace of mind even when you're not home. The electric start is user-friendly, and its fully enclosed design with automatic voltage regulation and overload protection enhances safety.
However, it's important to note that the unit is quite heavy, weighing 466 pounds, which affects portability. Installation should be handled by a licensed electrician, adding to the setup cost. Maintenance is somewhat simplified by the G-Force Engine, designed to reduce upkeep needs. The 5-year limited warranty offers long-term assurance. This generator is a strong contender for those seeking reliable, high-power output for their home.
Most important from
250 reviews
Generac 26kW Home Standby Generator for home use, built-in cellular connectivity, whole house generator for power backup
The Generac 26kW Home Standby Generator is designed to provide whole-house backup power, making it a strong choice for homeowners wanting to keep essential systems running during outages. With a substantial power output of 26,000 watts, it can handle large homes and multiple appliances simultaneously. The built-in cellular connectivity allows you to monitor and control the generator remotely via the Mobile Link app, with a premium subscription providing full access.
Fuel efficiency is improved thanks to electronic fuel and ignition controls, which also help reduce emissions compared to some other models. Starting is electronic and automatic, so it activates seamlessly when the power goes out. Maintenance is easier due to oil level sensors and a design that protects against cold weather conditions. The generator is quite heavy (over 500 pounds) and intended for permanent outdoor installation rather than portability. Standby generators typically produce moderate noise, which might be noticeable in quiet neighborhoods.
The 5-year warranty and 24/7 support offer peace of mind for long-term reliability. This model is well-suited for homeowners seeking a dependable, efficient standby generator with modern connectivity features, but it is not intended for those requiring portability or very quiet operation.
Generac Guardian 26kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
Most important from
56 reviews
The Generac Guardian 26kW Home Standby Generator is a solid choice for homeowners needing reliable whole-house backup power during outages. It delivers a strong 26,000 watts, enough to keep most household systems running smoothly. The generator runs on natural gas or propane, which are convenient and commonly available fuel options. It features a durable all-aluminum housing designed to withstand outdoor conditions and operates quietly, making it less disruptive in residential areas. Starting is electronic and automatic, so it powers up quickly and without manual effort during power failures.
One standout feature is its Wi-Fi connectivity, allowing you to monitor performance and receive maintenance alerts remotely, which is helpful for peace of mind. The generator includes a 200-amp transfer switch, enabling seamless and safe power transfer to your home’s electrical system. However, it weighs 518 pounds and is not portable, meaning it needs professional installation and a fixed outdoor location.
The runtime listed as 12 minutes likely refers to a default test or limited load condition, so actual runtime depends on fuel availability and usage. Maintenance is simplified by the G-Force engine design, known for durability and lower upkeep needs, plus a low oil shutdown feature protects the engine. While it’s on the higher end in terms of size and investment, the 5-year limited warranty adds assurance. This generator is suited for homeowners who want an automated, whole-house backup system rather than a portable or temporary generator. For those seeking a dependable, quiet, and smartly connected standby generator that handles all essential home power needs, the Generac Guardian is a strong contender.























































