10 Best Quietest Generators 2025 in the United States

The Generac 18,000-Watt Gas-Powered Portable Generator is a robust option for those needing substantial power output. With an impressive 18,000 watts from its 816cc EFI engine, it is well-suited for emergencies, recreational use, and home backup power.

One of its standout features is the COsense Technology, which offers essential safety by protecting against carbon monoxide. Additionally, TruePower Technology ensures that sensitive electronics and tools can be safely powered, thanks to its low total harmonic distortion (THD) of less than 5%.

This generator also includes a low-oil pressure shutdown feature, which helps prevent engine damage and enhances its longevity. Its large fuel capacity allows for extended runtimes, making it durable for long-term use. However, at 442.8 pounds, it is quite heavy, which could impact its portability despite being labeled as portable. This weight makes it less ideal for frequent transport. The generator runs on gasoline, which is readily available but may not be as convenient as other fuel types like propane.

The Jackery Solar Generator 1000 v2 is a solid choice for a quiet and portable power source suited for camping, road trips, or emergency backup. It utilizes LiFePO4 battery and inverter technology, producing clean, stable power quietly compared to traditional gas generators. Its 30 dB overnight charging mode indicates very quiet operation during use.

Featuring a 1,500-watt continuous output and 3,000-watt surge capacity, it can support common appliances like refrigerators and small AC units, making it versatile for both outdoor and home applications. The 1,070Wh battery capacity provides a decent runtime, and the fast charging option allows the unit to fully recharge in about an hour when emergency mode is enabled, which is convenient but may slightly affect battery health if used frequently.

Weighing approximately 32 pounds and equipped with a foldable handle, the unit offers reasonable portability, though it might be somewhat heavy for long-distance carrying. The built-in app control enhances user experience by allowing easy mode switching to optimize quietness and efficiency. The solar panel is sold separately, adding to setup complexity and cost. While the battery boasts a long lifespan of over 10 years with proper care, the 2-year warranty may be considered short relative to the price. This generator is a dependable, eco-friendly option that is easy to use and charges quickly.

The Honda EU2200i 2200 Watt Portable Inverter Generator is an excellent choice for those needing quiet, reliable power for various settings such as home use, camping, or job sites. With a noise level of 48 to 57 dBA, it operates more quietly than a normal conversation, making it ideal for noise-sensitive environments. The power output is substantial, with 2200 watts at peak and 1800 running watts, sufficient to run multiple appliances. This generator uses gasoline, which is widely available and easy to refuel. Its compact size (19 x 12 x 21 inches) and light weight (46.5 pounds) enhance its portability, making it convenient to transport and store.

The inclusion of inverter technology ensures stable and clean power, safe for sensitive electronics, and the Eco-Throttle system provides impressive fuel efficiency, running up to 9.6 hours on a single tank depending on the load. Additionally, the option to parallel another EU2200i unit for doubled power output adds to its versatility. However, the relatively small fuel tank of 0.95 gallons may require more frequent refueling for extended use. Also, while it excels in multiple areas, the price point might be higher than some other models in the market. Nonetheless, with a solid customer rating of 4.7 out of 5 stars, this generator is highly regarded for its performance, reliability, and quiet operation, making it a top contender for those prioritizing low noise and consistent power.