10 Best Standby Whole House Generator in 2024: Top Rated

Totally Automatic – The ATS50 Emergency Essentials Automatic Transfer Switch has 8 available circuits and provides seamless power to your home during an outage

Quietest-in-Class – Thanks to advanced sound dampening and a specially designed low-tone muffler, this generator operates at a residential-friendly 59.5 dBA noise level

Reliable – 24-volt starting system operates in sub-zero or extreme heat (between -22° F and 104° F) with no warming kit necessary, plus the generator performs weekly self-diagnostic tests

Powerful – The 8.5-kilowatt generator provides 8500 watts of continuous power on propane and 7500 watts on natural gas, with no refueling, no manual operation and no extension cords needed

Champion Support – Includes 10-year limited warranty with FREE lifetime technical support from dedicated experts

Up to whole house protection with the 200 Amp, NEMA 3R (aluminum outdoor enclosure) smart switch

Smart, User-friendly controls; Generac evolution controller features a multilingual LCD display that allows you to Monitor Battery status and track maintenance intervals to ensure your generator is always in top operating condition

240 volts supply

Receive real time status updates

Powers 16-circuits of your home with the 100-amp, NEMA 3R (indoor or outdoor rated) transfer switch with aluminum enclosure

True Power Technology delivers best-in-class power quality with less than 5 percent total harmonic distortion for clean, smooth operation of sensitive electronics and appliances

Generac's G-Force Engine is a purpose-built, pressure-lubricated engine capable of handling the rigors of generator use, resulting in power that’s more reliable and requires less routine maintenance than any competitive engine.

Mobile Link Wi-Fi allows users to monitor the status of the generator from anywhere in the world using a smartphone, tablet, or PC

5 year limited warranty

PowerRUSH Technology - Delivers over 50% more starting capacity-allowing you to do more with less

Up to 50% quieter - ideal for noise sensitive environments/ up to 25% lighter - for improved portability

True power technology - clean power for sensitive electronics

RV ready - connect directly to RV to power most RV air conditioners up to 15, 000 BTU

USB outlets and parallel ready - connect 2 units together for double the power

Quiet technology and extended run time: 69 dba noise level is great for your next project or home backup, with 6250 starting watts and 5000 running watts for up to 12.5 hours run time on gasoline

Advanced open frame inverter design: 50% quieter and 20% lighter than a traditional Champion 5000-watt generator

Clean power and economy mode: confidently connect your sensitive electronics and save fuel

Intelligauge: Monitor voltage, frequency and operating hours with ease; Frequency: 60 Hz

Champion Support: includes 3-year limited Warranty with free lifetime technical support from dedicated experts

What's In The Box: Champion 6250 Watt Inverter, Flexible Oil Funnel, Wheel Kit, USB Adapter, Battery Charging Cables

⚡【3 x AC OUTLETS AND 576Wh CAPACITY】 The RIVER Max Portable Power Station has 3 AC outlets and a capacity of 576Wh, providing users with incredible power for most of your favorite devices.

⚡【RECHARGE FROM 0-80% WITHIN 1 HOUR】 EcoFlow X-Stream Charge technology recharges the power station from 0-80% within one hour, which is one of the fastest recharging rates on the market. Quiet Charging can be enabled from the EcoFlow app.

⚡【POWER UP TO 10 DEVICES SIMULTANEOUSLY】 EcoFlow’s X-Boost technology allows you to power devices up to 1200W, which lets you power up to 80% of essential devices like kitchen appliances, and DIY tools. Please conduct full test on a case-by-case basis to see if the X-Boost feature can work with your appliances. Use devices below 1200W for the best product use.

⚡ 【MODULAR DESIGN】Compare with RIVER Power Station + RIVER Extra Battery ,No need to install,easier for you. The unique modular design gives you the freedom to adjust the power and portability of RIVER within seconds. The Extra Battery doubles the capacity from 288Wh to 576Wh during situations when you need more power. You can also detach the RIVER Extra Battery easily for more portability during traveling, outdoor adventures, or any application where you need to power devices on the go.

⚡【24 MONTHS PRODUCT GUARANTEE】 EcoFlow offers a 24*7 friendly customer service, and a 24 months product guarantee. What’s in the box: 1* RIVER Max 576Wh portable power station, 5 types of charging cable (1*1.5M AC Charging Cable, 1*1.5M Car Charging Cable, 1*1.5M MC4 to XT60 Solar Charging Cable, 1*USB 2.0 to Micro or Lightning Cable, 1* Type C to Type C Cable), 1*User Guide.

Plenty of Power – With 10,000 starting watts and 8,000 running watts, this unit can handle heavy loads from lights and a refrigerator to a home air conditioner and high amperage power tools

Dual Fuel Technology – This generator runs on gasoline or propane, giving you the freedom and flexibility of fuel choice

Powerful Engine – The DuroMax 439cc OHV engine is a workhorse that provides plenty of power to handle multiple jobs, from powering high voltage appliances to heavy duty power tools

Idle Control – Lowers the RPMs of the generator when not in use, saving fuel and reducing noise. Ideal on job sites where power is used intermittently

MX2 Technology - Get the maximum power from each of the 120-volt receptacles. Choose between operating the generator at both 120V and 240V simultaneously, or at 120V only with full power. Ideal for usage with RVs

Produces 2,000 starting watts with 1,600 running watts of clean and safe power for sensitive electronics such as phones, televisions, laptops, and other electronics

Complete with A-iPower’s “Low idle” technology for an extended run time of 4 hours at 100% load and 7 hours at 50% load

Equipped with a low oil alert light and low oil automatic shutdown, helping keep your generator performing year after year

Powerful 79cc OHV 4-Stroke engine provides an abundant power supply yet runs at a super quiet operation of only 52 decibels

Light weight and compact at only 48 pounds, making your tailgate or camping experience as smooth as possible

11, 050W Peak/ 9, 000W Rated (Gasoline) & 10, 050W Peak/8, 100W Rated (LPG)

The powerful 457cc, Single Cylinder, 4-Stroke, OHV, Air Cooled Engine is protected by a Heavy-Duty Powder Coated Steel Frame

A Large 6. 6 Gallon High Capacity Fuel Tank gives you up to 10 Hours of Continuous Operation at half load when running on gasoline

Dual Fuel Capability lets you choose between Gasoline or LPG fuel sources for running your generator

Switch & Go Technology allows for seamless transitioning between LPG and Gasoline fuel sources while still in operation

True power technology delivers best-in class power quality (less than 5% thd) for Smooth operation of sensitive electronics and appliances

Includes a 200 amp NEMA 3 (indoor/ outdoor rated) whole house Smart 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 7043 5819 Sold Separately.