We Use CookiesWe use cookies to enhance the security, performance, functionality and for analytical and promotional activities. By continuing to browse this site you are agreeing to our privacy policy

10 Best Propane Inverter Generators 2025 in the United States

How do we rank products for you?

Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

headphones-stars

Our Top Picks

#1

Winner

Westinghouse 18000 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered

Rating
9.9
Chosen by1,227
Power Output (Wattage)
Runtime
Noise Level

Most important from
489 reviews

Power Output (Wattage)
It runs my entire house which is a 3-story, 5-bedroom with an unfinished basement, and handles the load effortlessly with an occasional peak to 9-10KW.
Runtime
Spent 6-1/2 hours on this generator during a power outage, and it used about 1/3 of a tank of gas while running the whole house fine.
Noise Level
I found it to be quieter than my old 10KW generator and quieter than my portable 5KW generator.
Portability
Being heavy, the wheel size and folding handles allow for nice leverage, making it fairly easy to move around on flat and mild inclines.

The Westinghouse 18000 Peak Watt Dual Fuel Generator is a solid choice for those seeking reliable backup power with the versatility of operating on both gasoline and propane. One of its standout features is the high power output, offering 14500 running watts with gasoline and 13000 running watts with propane, making it suitable for various household needs during outages. The generator also provides an impressive runtime of up to 11 hours on a full tank, which is helpful for extended use.

Portability is another strong point, although this generator weighs 352 pounds, which may require assistance for transportation. The electric and remote start options add convenience, allowing quick activation without manual effort. With multiple outlets, including USB ports and RV compatibility, it accommodates various devices and appliances, enhancing its usability.

On the downside, the noise level can be a concern, especially during extended use, as generators of this size are typically louder than smaller models. Users looking for quiet operation might find it less appealing. Additionally, while it includes essential components like a battery charger and oil, some assembly is required, which could be a bit challenging for those not familiar with generator setups. Fuel efficiency is decent, but always keep in mind that running costs can vary based on fuel prices and usage. The dual fuel capability is advantageous, providing flexibility, but switching fuels may involve additional setup.

Rating
9.9
Chosen by1,227
Power Output (Wattage)
Runtime
Noise Level

Most important from
489 reviews

Power Output (Wattage)
It runs my entire house which is a 3-story, 5-bedroom with an unfinished basement, and handles the load effortlessly with an occasional peak to 9-10KW.
Runtime
Spent 6-1/2 hours on this generator during a power outage, and it used about 1/3 of a tank of gas while running the whole house fine.
Noise Level
I found it to be quieter than my old 10KW generator and quieter than my portable 5KW generator.
Portability
Being heavy, the wheel size and folding handles allow for nice leverage, making it fairly easy to move around on flat and mild inclines.
#2

Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, Low THD - Safe for Electronics, Parallel Capable, CO Sensor

Rating
9.8
Noise Level
Portability

Most important from
699 reviews

Noise Level
Runs slightly noisier compared to premium brands, but offers excellent value for its price.
Portability
Despite its weight, the built-in handle and wheels facilitate easier movement.

The Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter Generator is a solid choice for those seeking a dependable power solution for residential use or outdoor activities. With its impressive power output, it offers 9000 running watts on gasoline and 8100 running watts on propane, making it versatile for various needs. The ability to run for up to 17 hours on a single tank is a standout feature, ensuring you have ample power for extended periods without frequent refueling.

Portability is also a highlight, although it is slightly heavy at 187.4 pounds. The remote electric start adds convenience, allowing you to start it from a distance, which is especially useful when placed in a difficult-to-reach location. The generator's noise level is relatively low, which is a significant advantage if you're using it in a residential area or at a campsite.

On the downside, while it supports parallel capability for increased power, this feature may require additional purchasing of parallel cables. Additionally, the weight might pose a challenge for some users when transporting it. The generator is built robustly but may not be the most compact option for those with limited storage space. The included CO sensor is an essential safety feature, ensuring that you are alerted to any carbon monoxide risks. It also comes with comprehensive components to get you started right away, making it user-friendly. The Westinghouse 11000 is an excellent pick for anyone needing reliable, portable power, but consider the weight and size depending on your mobility and storage capabilities.

Rating
9.8
Noise Level
Portability

Most important from
699 reviews

Noise Level
Runs slightly noisier compared to premium brands, but offers excellent value for its price.
Portability
Despite its weight, the built-in handle and wheels facilitate easier movement.
#3

Generac 5,200-Watt Dual-Fuel Portable Inverter Generator - Gas and Propane Compatible - Compact and Lightweight Design - Clean, Stable Power - COsense Technology - Orange/Black - 50 State Compliant

Rating
9.8
Noise Level
Power Output (Wattage)
Portability

Most important from
78 reviews

Noise Level
Operates extremely quietly and efficiently, comparable to premium brands but at a more affordable price.
Power Output (Wattage)
Delivers consistent power output without strain, performing reliably at its rated wattage.
Portability
Weight is noticeable but manageable for a portable generator in this power range.

The Generac iQ5200 is a versatile portable inverter generator that works well for camping, residential backup, and outdoor events. It offers a solid power output of 5200 starting watts and 3900 running watts, enough to run most essential devices and small appliances. One of its strong points is its dual-fuel capability, allowing you to switch easily between gasoline and propane, which adds flexibility and can improve fuel efficiency depending on your fuel choice.

The generator is relatively quiet thanks to its fully enclosed design, making it less disruptive during use compared to louder models. It also includes handy features like an electric start for easy operation, USB ports for charging devices, and LED indicators to monitor oil levels and overloads. Plus, it supports parallel connection to double your power if needed. The COsense technology adds a safety layer by detecting carbon monoxide, which is important for indoor or enclosed space use.

Though it weighs 107 pounds, which might be heavy for carrying long distances despite the 'portable' label, it is compact compared to conventional generators. This generator suits those needing reliable, clean power with fuel flexibility and moderate quietness, while those prioritizing ultra-lightweight or very long runtime might consider other options.

Rating
9.8
Noise Level
Power Output (Wattage)
Portability

Most important from
78 reviews

Noise Level
Operates extremely quietly and efficiently, comparable to premium brands but at a more affordable price.
Power Output (Wattage)
Delivers consistent power output without strain, performing reliably at its rated wattage.
Portability
Weight is noticeable but manageable for a portable generator in this power range.

Buying Guide for the Best Propane Inverter Generators

Choosing the right propane inverter generator can be a bit overwhelming, but with the right knowledge, you can find the perfect fit for your needs. Propane inverter generators are known for their efficiency, quiet operation, and clean energy output, making them ideal for a variety of uses, from camping trips to backup power for your home. To make an informed decision, it's important to understand the key specifications and how they align with your specific requirements.
Power Output (Wattage)Power output, measured in watts, indicates how much electricity the generator can produce. This is crucial because it determines what appliances and devices you can run simultaneously. Generators typically range from 1,000 to 4,000 watts. For light use, such as charging small electronics or running a few lights, a lower wattage (1,000-2,000 watts) is sufficient. For more demanding needs, like running a refrigerator or multiple appliances, you'll need a higher wattage (3,000-4,000 watts). Assess your power needs by listing the devices you plan to use and their wattage requirements.
RuntimeRuntime refers to how long the generator can operate on a full tank of propane. This is important for planning how long you can rely on the generator before needing to refuel. Runtimes can vary widely, from a few hours to over 10 hours. If you need continuous power for extended periods, look for a generator with a longer runtime. For occasional or short-term use, a shorter runtime may be sufficient. Consider how often and for how long you will need to use the generator to determine the appropriate runtime.
Noise LevelNoise level, measured in decibels (dB), indicates how loud the generator will be during operation. This is particularly important if you plan to use the generator in a residential area or while camping. Generators typically range from 50 to 70 dB. Lower noise levels (50-60 dB) are ideal for minimizing disturbance, while higher levels (60-70 dB) may be acceptable for less noise-sensitive environments. Consider where and when you will be using the generator to choose an appropriate noise level.
PortabilityPortability refers to how easy it is to move and transport the generator. This is determined by the generator's weight, size, and design features like wheels and handles. Lightweight and compact generators are easier to carry and store, making them ideal for camping or tailgating. Heavier models with wheels and handles are better suited for home backup power where mobility is less critical. Think about how often you will need to move the generator and choose one that matches your portability needs.
Fuel EfficiencyFuel efficiency measures how effectively the generator uses propane to produce electricity. This is important for cost savings and reducing the frequency of refueling. Generators with higher fuel efficiency will run longer on the same amount of propane. Look for models with features like eco-mode, which adjusts the engine speed based on the power demand to improve efficiency. Consider how often you will use the generator and the availability of propane to determine the importance of fuel efficiency for your situation.
Parallel CapabilityParallel capability allows you to connect two generators to increase the total power output. This is useful if you need more power than a single generator can provide but still want the flexibility of using smaller, more portable units. Not all generators have this feature, so if you anticipate needing more power in the future, look for models that offer parallel capability. Consider your current and potential future power needs to decide if this feature is important for you.

FAQ

Most Popular Categories Right Now