10 Best Natural Gas Home Generators 2025 in the United States

The Generac 7225 14kW Air Cooled Guardian Series Home Standby Generator is a solid choice for those looking for reliable, whole-house power backup. With its 14,000 watt power output and Generac's True Power Technology, this generator ensures clean, stable power with less than 5% total harmonic distortion, which is ideal for safely running sensitive electronics. The 200-amp automatic transfer switch provides comprehensive protection by seamlessly switching power during outages, and the inclusion of Wi-Fi connectivity allows for remote monitoring and maintenance alerts, adding an extra layer of convenience and peace of mind. This feature is particularly useful for those who travel frequently or own multiple properties.

Additionally, the generator is designed with a durable aluminum enclosure and comes with a 5-year limited warranty, highlighting its long-term reliability and protection against the elements. It's also engineered and assembled in the USA, emphasizing quality craftsmanship.

However, there are some considerations to keep in mind. The generator is quite heavy at 385 pounds, which may limit portability and complicate installation, necessitating professional installation by a certified electrician. It's also worth noting that while the generator is designed to be relatively quiet, some noise is inevitable with any generator. The Generac 7225 is best suited for homeowners seeking a dependable and advanced generator with comprehensive monitoring features and robust power output, though it requires proper installation and has limitations in portability.

The Westinghouse 14500 Peak Watt Tri-Fuel Generator is a strong choice for homeowners looking for reliable backup power, especially for larger homes. It offers a high power output of up to 14,500 peak watts on gasoline, with slightly lower but still impressive wattage when running on propane or natural gas. This tri-fuel flexibility is a big plus, allowing you to choose among gasoline, propane, or natural gas depending on availability and convenience. It runs up to 19 hours on a full 9.5-gallon gasoline tank, which means it can last through a full night or day of outages, though propane runtime is shorter at around 7 hours.

The generator includes useful features like remote electric start and is ready for an automatic transfer switch, making it easier to use during emergencies. It’s also designed with safety in mind, including overload protection and a CO sensor. At 230 pounds and with a sturdy steel frame, it’s not very portable, so it’s best suited as a semi-permanent backup rather than something you’d move around frequently. Noise levels are typical for generators in this power range—not silent but manageable if placed a bit away from living areas.

Maintenance should be straightforward given the heavy-duty engine and included manuals, but it will require regular oil changes and fuel checks like any gas-powered generator. This Westinghouse model is well-suited for homeowners needing a powerful, flexible, and dependable backup power source, though its size and weight may limit portability if that’s a priority.

The ERAYAK 4500W Dual-Fuel Portable Inverter Generator is a flexible and compact option ideal for home backup, RV trips, and outdoor activities. It delivers a solid power output of 3,500 running watts and 4,500 peak watts, enough to handle most household essentials and recreational appliances. One of its standout features is the dual-fuel capability, allowing you to switch between gasoline and propane easily. This extends run times—up to 16 hours on gasoline at a quarter load and more than 20 hours with propane—meaning longer use without frequent refueling. The generator also has an automatic fuel switch system that prevents unexpected shutdowns by prioritizing gasoline when propane runs out.

At just 58 decibels, it operates quietly, so it won’t disturb neighbors or your peace during camping or power outages. The compact size and relatively light weight (54 pounds) make it fairly portable for its power class. Safety features include a built-in carbon monoxide sensor that shuts the unit off if dangerous gas levels are detected, adding peace of mind for indoor-adjacent use. It’s equipped with convenient outlets including a 30A RV plug and USB ports for multiple devices.

A drawback is that the generator relies on a recoil start system, which might be less convenient than electric start models. While it includes a 3-year warranty and maintenance tools, like any generator it requires routine upkeep, especially if used frequently. Additionally, although it’s designed for propane and gasoline, natural gas (if from a fixed line) may need additional adapters or professional setup. This generator is suitable for anyone needing reliable, quiet, and versatile power for home backup or outdoor use, provided they are comfortable with manual starting and basic maintenance.