Choosing the best automatic transfer switch (ATS) for your portable generator ensures seamless power supply during outages and emergencies. ATS units automatically switch your home’s electrical load to the generator when utility power fails, enhancing convenience and safety. Below is a comparison of top portable generators equipped or compatible with ATS, designed for home backup, outdoor use, and emergency power needs.
| Generator | Power Output | Fuel Type | ATS Compatibility | Special Features |
|---|---|---|---|---|
| GENMAX 15000W Tri-Fuel (GM15000ET) | 11000W Running / 15000W Peak | Gasoline, LPG, Natural Gas | Integrated | CO sensor, digital display, 50A output |
| AIVOLT 11250W Dual Fuel | 9000W Running (Gas), 8450W Running (Propane) | Gasoline, Propane | ATS Ready | Remote start, ultra-quiet, inverter tech |
| ALLWEI 2400W LiFePO4 Solar Generator | 2400W Continuous / 3600W Peak | Solar & AC Charging | Built-in ATS UPS Mode | Fast recharge, portable, multiple AC outlets |
| Gidrox 11000W Tri-Fuel Inverter | 9000W Running / 11000W Peak (Gas) | Gasoline, Propane, Natural Gas | ATS Ready | CO sensor, ECO mode, remote start |
| GENMAX 7250W Dual Fuel Inverter (GM7250iEDC) | 6000W Running (Gas), 5500W Running (LPG) | Gasoline, LPG | Compatible | Digital display, remote start, parallel capable |
GENMAX 15000W Tri-Fuel Portable Generator With ATS
The GENMAX GM15000ET stands out with its 11000 watts running power and peak output of 15000 watts, supported by a large 10.56-gallon fuel tank ensuring long runtime. Designed as a tri-fuel unit, it accepts gasoline, propane (LPG), and natural gas, providing adaptable fuel options for varied situations.
This model features a highly durable frame with robust construction to withstand harsh conditions. Its multifunctional digital control panel delivers real-time operational metrics and includes a CO detection sensor promoting safe use indoors. The unit supports a 2-wire automatic transfer switch mechanism facilitating seamless power transfer and battery charging integration, benefiting solar-powered systems. Additionally, it offers a convenient one-button, remote, and recoil start options.
AIVOLT 11250W Dual Fuel Portable Inverter Generator ATS Ready
The AIVOLT dual fuel inverter generator delivers 9000 watts running power on gasoline and up to 8450 watts on propane. Its 459cc 4-stroke OHV engine with 100% copper windings promotes durability and efficiency. The eco switch allows extended runtime exceeding 19 hours at 25% load for fuel savings.
Boasting ultra-quiet operation at 60 dBA, it is suitable for residential and sensitive electronic applications. Equipped with remote start and the ability to switch fuels while running, it maximizes user convenience. The ATS outlet easily connects the unit to your home’s electrical system, ensuring automatic power transfer during outages.
ALLWEI 2400W LiFePO4 Portable Power Station With ATS UPS Mode
The ALLWEI power station offers 2400W continuous power with spike capability up to 3600W via a pure sine wave inverter. It is powered by a LiFePO4 battery technology and supports both solar and AC charging for sustainable energy.
Notably, it features an automated ATS UPS mode which switches on backup power instantly after an outage without manual intervention, ideal for security systems and refrigerated goods. Its rapid recharge capability allows reaching 80% battery in only 60 minutes, enhancing convenience for frequent use.
Gidrox 11000W Tri-Fuel Portable Inverter Generator With ATS
The Gidrox tri-fuel generator supplies up to 11000 starting watts and 9000 running watts on gasoline, with slightly reduced power when using propane or natural gas. Powered by a 499cc 4-stroke OHV engine, it generates clean power with less than 3% THD, safe for sensitive electronics.
This unit features a large 8.7-gallon tank for up to 21 hours runtime at 25% load. It includes smart safety functions like an integrated CO sensor and low oil shutoff. The ECO mode adjusts engine speed based on load to reduce noise and fuel consumption, making it a quieter option at 65 dB. Remote start and a clear LCD screen enhance usability. ATS readiness ensures quick power switching during outages.
GENMAX 7250W Super Quiet Dual Fuel Portable Generator
GENMAX’s GM7250iEDC inverter generator offers 6000 running watts on gasoline and 5500 watts on LPG, making it suitable for home backup, jobsite use, or recreational purposes. Its super quiet operation adds convenience in noise-sensitive environments.
The digital control panel serves as a comprehensive power center, tracking runtime, load levels, fuel status, and amps used. With USB-C charging ports, remote/electric start, and a 50A socket supporting full 120V power, it delivers versatile connectivity. The electronic fuel level indicator provides clear fuel monitoring, helping avoid unexpected outages.
Buying Guide: Key Considerations for Choosing an ATS for Portable Generators
Power Compatibility
Ensure the ATS unit’s amperage rating fits your generator’s maximum output. Common ATS ratings are 30A, 50A, or higher. Matching wattage and voltage ratings prevents overloads and equipment damage.
Fuel Flexibility
Generators with dual or tri-fuel capabilities offer fuel source versatility which affects your choice of ATS. Systems designed for multiple fuel types typically include compatible transfer switches with flexible wiring setups.
Safety Features
Look for ATS with built-in safety protections such as carbon monoxide detection, overload prevention, and proper insulation. These features secure the generator and home systems.
Ease of Installation and Wiring
Simplicity and clarity in wiring an ATS are paramount. Models that support plug-and-play ATS or come with detailed instructions reduce installation complexity and errors.
Start-Up Options and Remote Control
Generators with remote or automatic start simplify power management. Pairing these with an ATS that supports remote communication and automated switching offers optimal convenience.
Noise Level and Operational Efficiency
ATS paired with quieter inverter-style generators reduces disturbance. Consider ECO modes on generators and ATS that allow efficient engine speed adjustments lowering fuel consumption and noise.
Backup Power Needs
Determine your average power requirements during outages. This establishes the generator size and ATS rating needed to support critical appliances and electronics consistently.
Durability and Weather Resistance
Choose ATS enclosures that are weatherproof and durable to withstand outdoor installations, ensuring reliability during adverse weather conditions.