10 Most Fuel Efficient Propane Generators in 2023
Propane generators have a wide band of applications like camping, RVs, tailgating, and power backup. However buying the most efficient generator is crucial to enjoying a clean, inexpensive and stable power output. Unfortunately, not all propane generators are reliable and efficient. The efficiency of the generator is the most crucial feature to look for. Efficient generators deliver higher output with limited fuel consumption and help you keep your environment clean and green.
If you don’t know much about generators, it can be a little challenging to figure out the most efficient generators. You need to focus on multiple features like run time, power output, and fuel efficiency while buying a new generator. To help you make a safe investment, I’ve reviewed the ten most efficient propane generators. Also, I’ve composed a buying guide to help you understand what makes a propane generator efficient and reliable.
1. Champion Power Equipment 200961 Inverter Generator
Champion Power equipment dual fuel portable inverter generator has made its way to the list of most efficient propane generators for its class-leading run time on propane. Since it is a dual fuel generator it works with both gasoline and propane. On propane, it offers a run time of14 hours which is very impressive considering its portable profile.
The generator uses an ultra-powerful motor and it offers a running output of 2500 watts. The generator can handle heavier loads and maintain a reliable and continuous power supply even under the toughest conditions. Its dual-fuel technology is pretty helpful making it very useful in remote applications. The run time of gasoline is 11.5 hours and it offers a running wattage of 1800 watts.
If you want to enhance the total power output of the generator, you can pair it up with another 2500-watt champion power equipment generator. It supports a parallel kit (sold separately) that helps you connect it with another 2500-watt generator to simply double its power output.
Portability is another standout feature of this unit. It weighs only 39 lbs and it is probably the lightest generator in this class. With a telescoping handling mechanism, you can carry the generator wherever you want. Its 12V automotive style outlets combined with 20A household outlets help you get clean and stable power output with minimum THD.
The generator is absolutely safe for sensitive electronics and works best with the alarm and security systems of the buildings. The noise rating of this generator is 53 dB from 23 ft which is good. However, the generator becomes excessively noisy with time, and under heavy load, it is very loud. This generator is backed by a 3-year warranty and lifetime technical support making it a safe investment.
If you’re looking for a portable yet powerful propane generator for remote applications, this option by Champion power equipment is a definite way to go. This generator combines an impressive run time with dual fuel technology and advanced ergonomics making it one of the most efficient and reliable propane generators.
2. DuroMax XP10000EH Dual Fuel Propane Generator
DuroMax XP1000EH is one of the most powerful and efficient generators that you can buy in 2023. This generator is designed for the needs of large residential buildings and industrial applications. The generator is equipped with a powerful 439 cc OHV engine and offers a starting wattage of 10,000 watts and delivers a running wattage of 8000 watts with maximum efficiency.
This is a big and bulky unit that can handle the most demanding application without compromising reliability and voltage stability. The unit can power multiple high amperage appliances like refrigerators, air conditioners, and lights on a commercial scale. The power efficiency is the most standout part of this generator.
With a heavy-duty engine and MX2 technology, it delivers a clean and stable power output. The MX2 technology helps you get the best out of each voltage receptacle and reduces fuel consumption. Moreover, it has an Idle control unit that automatically controls the RPMs and adjusts the fuel consumption as per power requirements.
Its ability to operate at both 120V and 240V makes it equally suitable for residential and commercial applications. The dual fuel technology allows you to run the generator with the fuel of your choice. For high power output and maximum efficiency, it is advised to run the generator on propane.
The generator weighs more than 350 lbs and it stands among the heaviest inverter generators. To enhance maneuverability, this generator comes with sturdy wheels. The biggest issue that I faced with this generator is the absence of an oil filter. It sprays out the oil that covers the whole engine. No technical support is offered by DuroMax which is pretty disappointing.
DuroMax XP10,0000EH with dual fuel technologies and a highly efficient Idle control system stands among the most efficient generators. If you are looking for stable power output for large residential buildings or commercial applications, this option by DuroMax is a definite way to go.
3. Westinghouse WGen3600DF Dual Fuel Portable Generator
The next option is Westinghouse WGen 3600DF. This is a competitively priced inverter generator that combines fuel efficiency with stable power output making it one of the best inverter generators. It offers a starting wattage of 4650 watts and a running wattage of 3650 watts.
These fingers reveal that the generator can handle light to medium duty applications with maximum efficiency. It is a good power backup for homes and offices in case of extended power outage sessions. With a 20 lb propane tank, this generator offers a run time of 10.5 hours. What I liked most about the generator is that it doesn’t lose efficiency even under the maximum load.
Since it uses dual fuel technology you can operate the generator either with propane or gasoline. This feature makes it perfect for remote applications where you have limited fuel choices available. Unlike other inverter generators, it offers a smooth and quiet start. The electric push button gives a strain-free start making it a great choice for camping.
Additionally, you will get a remote start option that is quite impressive considering its competitive price. The generator comes with everything that you need to start the operation. From a user maul to an oil funnel and tool kit everything is included in the package for the trouble-free start-up.
To ensure safety and durability, it is equipped with automatic low oil shut-off technology. It automatically shuts off the generator in case of low oil levels to avoid unstable power output and irreparable damage. Its heat-resistant plastic wheels make the generator highly maneuverable. The generator is pretty noisy under heavy load which is its most significant downside.
Westinghouse WGen3600DF with dual fuel support, electric start push button, and a 212cc 4-stroke engine is a solid power backup for light to medium duty applications. With a 120V Duplex Outlet and an impressive run time, it stands among the most efficient propane generators.
4. DuroMax XP4850EH Generator
DuroMax XP4850EH uses advanced power generation technology and produces a clean and stable power output with maximum efficiency. This generator uses dual fuel technology and you can use both gasoline and propane to run this generator. The best part of this generator is that it offers an ideal size-to-power ratio and is a great option for remote applications like tailgating and camping.
The generator offers 2850 starting watts and 3850 running watts on gasoline which is simply incredible. What I loved most about this generator is its cold start technology. It is not affected by the temperature conditions outside and gives you a strain-free start even in the tough winters. The electric starter helps you start the generator with a push button for a quick and trouble-free experience.
Like all other DuroMax propane generators it also features MX2 technology. This technology ensures low fuel consumption and maximum power output from each 120 Volt receptacle. A stable and steady voltage stream makes the generator absolutely safe for sensitive electronics.
It is equipped with a 210 cc OHV engine that can handle light to medium duty tasks with maximum efficiency. A fully featured power panel is another standout feature of this generator. It comes with a wide range of power outlets making it fully compatible with a wide range of applications. It offers a direct fit with the alarm system and high voltage appliances.
The noise level of this generator is also acceptable considering its power output. From 50 feet its noise level of 55 dB and from 25 feet its noise level is increased to 65 dB. Under maximum load, it offers a run time of around 8 hours within a 2-gallon propane tank. It weighs more than 120 lbs and lacks portability. The quality of tires is not good and the rubber is not resistant to heat.
DuroMax XP4850EH offers a class-leading power size ratio making it perfect for tailgating and camping. Its MX2 technology, impressive fuel economy, and impressive run time help it stand among the best.
5. Champion 3400-Watt Dual Fuel RV Ready Portable Inverter Generator
Are you on the lookout for an ultra-portable generator without limiting the power output? Consider this option by Champion. This is an RV-ready portable generator that is a perfect option for tailgating, camping, and other outdoor applications. It is a plug-and-play model that comes with everything fixed right out of the box. The generator is powerful enough to handle medium-duty tasks with maximum ease.
What sets it apart from its counterparts is its impressive run time. With a 2-gallon propane tank, it offers a run time of 14 hours under 50% load. Under heavy loads, it maintains the performance and offers a run time of 7-10 hours. The unit holds CRAB and EPA certification for clean power generation.
The Champion generator comes with an electric start feature. It uses a reliable battery that offers quick and trouble-free starts. However, in low-temperature conditions, you may face cold start issues. The generator uses a 20 lb propane tank and a battery that adds a lot of weight to it. However, the total weight of the generator is under 100 lb. Plus, it comes equipped with sturdy heat-resistant wheels making it highly maneuverable.
The generator supports dual fuel technology and you can also use gasoline if propane is not available. The low oil sensors automatically shut off the generator to ensure safe and reliable operation. It comes with multiple outlets like 2 USB,1 automotive-style 120 V, and two 120 V household outlets. The THD rating is less than 3% and it offers best-in-class fuel economy. The noise level of the generator is 59 dB at 25 ft which is okay considering its power output.
Champion 3400-watt portable generator is designed for RVs and remote applications and is a perfect option for adventure enthusiasts. With impressive fuel economy, cleaner energy generation, and highly stable power output, it is undoubtedly one of the efficient propane generators.
6. WEN DF475T Dual Fuel 120V/240V Portable Generator
WEN DF475T portable generator uses a 224 cc 4-stroke OHV engine and is a perfect option for light to medium duty commercial applications. This generator combines the best fuel economy with user-friendly ergonomics making it equally suitable for indoor and outdoor applications. It is one of the most affordable gas generators that come with a traditional open frame design.
Its peak watt rating is 4500 watts and it operates at a reliable wattage of 3750. It is an excellent option for outdoor applications like camping and tailgating. The generator comes with 4-gallon fuel tanks that offer an impressive run time giving you peace of mind on long trips. It offers a run time of 7 hours for 2 gallons of propane which is more than impressive for an open frame generator.
The best part of this generator is that it helps you switch between 140V to 240 V. An onboard switch allows you to select the desired voltage rating. It supports both electrical and manual startup options. The electrical startup uses a reliable battery and manual start-up gives you a trouble-free experience in low-temperature conditions.
Its GFCI-protected panel comes with multiple DC outlets and gives you direct compatibility with various appliances. The most notable downside of this generator is its noisy operation. Since it is an open frame design, you cannot expect it to be quiet. Under heavy loads, it can produce noise levels up to 70 dB. For indoor applications, it is advised to use a silencer to reduce the noise level. The generator weighs only 105 lbs and comes with an ergonomic handle and sturdy wheels for ease of maneuverability.
Wen DF575T dual fuel technology and trouble-free switching between 120V and 240V are one of the most efficient propane generators. It comes in a simple open frame design and delivers stable power output even under the maximum load. If you are on a budget, it is the best option that you can have.
7. Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator
The next option on the list of most efficient generators is Pulsar G12KBN. This heavy-duty generator with a peak watt rating of 12000 and a running watt rating of 7000 watts can handle heavy-duty industrial applications like a pro. The efficiency of the generator is more than impressive and it equally works great with both gasoline and propane.
The generator comes with an electric start option and helps you get a strain-free start-up in all conditions. Unfortunately, it lacks the cold start function and you may face issues in outdoor low-temperature conditions. The generator uses a 3-gallon propane tank and offers a running time of 11 hours under 50% load. It is capable enough to power high amperage appliances like air conditioners and refrigerators.
Also, it can be used as a power backup solution for large residential and office buildings. It features an open frame design and the generator is pretty loud. Under maximum load, the noise level goes beyond 70 dB and you need a silencer to bring it down to an acceptable level. The generator also uses low oil and low fuel sensors. It automatically shuts off when the low oil or fuel level is detected and prevents irreparable damage.
It weighs more than 300 lbs and is among the heaviest options. However, two sturdy wheels and drop-down handles make the maneuverability and handling super easy. Although it is one of the most expensive inverter generators, it is not backed by any warranty which is its most notable downside.
Pulsar GK12BN is an ultra-powerful generator designed for the needs of heavy-duty industrial appliances. With the best ergonomics, drop-down handles, sturdy wheels, and fuel-efficient engines, it stands among the best propane generators.
8. Pulsar 2,200W Portable Dual Fuel Quiet Inverter Generator
Pulsar 2,200 watts portable generator combines a lightweight profile with a dual fuel technology making it perfect for outdoor applications. It is probably the most lightweight inverter generator that you can buy today. This dual fuel generator can be operated with both gasoline and propane. It uses a 1.10-gallon propane tank and offers the best-in-class run time of 8 hours.
This generator weighs only 44 lbs and comes with a compact carrying case design. It is pretty easy to transport to remote applications and offers a perfect power backup solution for comping sites. It offers a direct fit with RVs and various high amperage appliances. The best part of this generator is its ultra-power engines.
It uses an 800 cc 3HP engine that is powerful enough to handle light to medium duty loads. It offers a stable power output and ensures the safety of sensitive electronics. The generator supports parallel connectivity and comes with multiple power outlets. You will get two 5V USB ports and two 120 Volts power outlets. The peak wattage of the generator is 2000 watts and offers a running watt of 1600 watts on propane. These figures reveal that it is an excellent power backup for small systems like sump pumps.
The generator has limited power output and it may not support high amperage appliances like air conditioners for a long time. It supports electric start-up and you can start the operation with a push button. The noise level under maximum load is less than 60 dB making it a perfect option for indoor applications.
Pulsar 2,200 watts portable generator with dual fuel technology and an advanced engine is the best power solution for RVs, campsites, and tailgates. It uses an efficient 800 cc engine with a decent power rating and fuel economy making it the most efficient propane generator.
9. A-iPower SUA2000iD 2000 Watt Portable Inverter Generator
A-iPower SUA2000iD carrying case style generator is another efficient propane portable generator. This generator is designed with the needs of light duty applications in mind and tailgaters simply love this lightweight unit. The generator combines power and efficiency making it one of the most efficient propane generators.
It uses advanced inverter technology that produces safe and clean energy. It is safe for sensitive electronics like phones and laptops. It is RV ready and also offers a direct fit with multiple appliances and systems. It supports parallel cabling and comes with a parallel connection kit. You can link two SUA2000iD generators to double the power output of the generator.
The generator is super quiet and works at a low noise level. Under maximum load, it produces 50 dB noise making it perfect for indoor applications. It weighs only 55 lbs and I found it pretty easy to transport. The carrying case style compact profile offers excellent portability and ease of storage. The generator lacks a low oil indicator and you need to keep a strict eye on the oil and fuel level to avoid irreparable damage.
A-iPower ultraportable generator is an efficient and powerful generator that ensures a stable power output for light to medium duty applications. This generator comes in a carrying case style and offers ease of storage and transportation for remote applications.
10. Westinghouse iGen4500DF Super Quiet Dual Fuel Portable Inverter Generator
The final option on the list is Westinghouse iGen4500DF portable inverter generator. It is an affordable generator that offers a class-leading power output. The starting power rating is 4500w watts and it offers a stable running output of 3800 watts which is impressive considering its portable profile.
Since it is designed for the needs of outdoor applications it is a plug-and-play model. It comes with RV-ready outlets and offers a direct fit with multiple systems. Also, it comes with Duplex-style household 120V outlets giving you seamless connectivity with various household applications.
Although it is a light-duty generator it can handle high amperage appliances with maximum efficiency. It is equipped with 1.8-gallon fuel tanks and offers a run time of 15 hours under 50% load. Under maximum load, it can operate for up to 9 hours and it is probably the best-in-class run time. The digital display and control panel makes it super easy to operate.
Its use of a low oil indicator and on-board control helps you control all its features, the generator automatically shuts off in case of low oil to avoid internal damage. The oil changing is pretty challenging as you need to remove the whole oil chamber. However, its portable carrying case style makes it pretty easy to maneuver. The noise level is less than 55 dB and even under maximum load making it equally suitable for indoor and outdoor applications.
Westinghouse iGen45999FD is an excellent option if you do regular camping and tailgating. With efficient inverter technology, low noise operation, and a class-leading run time this is one of the most efficient propane generators.
How To Choose The Most Efficient Propane Generators?
Knowing all the features and essentials of the most efficient propane generators helps you make the right decision. This guide discusses all the key features of the propane generator that you must consider to get the best value for money.
Power Requirements
The first thing that you need to consider is your power requirement. You need to calculate the power requirement of your home or application for which you need the generator. You can calculate your power requirements using an online calculator. Every appliance has two wattage ratings starting watt and running watt. You must add up the starting watts. If starting watt rating is not given, multiply the sum of running watts by 3 to get the actual power requirements of your home.
Motor Efficiency
The efficiency of the engine largely depends upon the motor or engine it uses. For a stable and clean power output, it is crucial to buy a generator with a reliable and well-protected motor. Advanced OHV engines reduce fuel consumption and help you get maximum power within limited fuel capacity.
Power Output And Voltage
The power output of the generator must be greater than your power requirement. Portable generators offer a power output between 2000-4000 watts and can handle light to medium duty applications like camping, tailgating, RVs, and small. For industrial-grade applications like high amperage machinery and large residential setups, you may look for ultra-powerful generators with 8000+ watt power output.
Additionally, the generator should be able to provide a steady stream of voltage. An unstable voltage supply can damage sensitive electronics like alarm systems, phones, and refrigerators. 120 V and 240 V are two common voltage ratings that you can find in propane generators.
Engine Capacity
The engine is the most crucial part of any generator. Propane generators use a gas engine that converts the propane fuel into electrical power. So the capacity of the engine affects the overall performance and power output of the generator. The capacity of the engine is measured in cc.
Advanced propane inverter generators offer different cc ratings between 200 to 400. Generators with higher engine capacity are more expensive of course. Small engines between 200-300 ccc may work for light to medium duty applications like tailgating and small households. For demanding and commercial grade applications you must look for 400+cc to ensure a stable power output under maximum load.
Engine Power
Engine power is usually measured in HP. You must consider this rating before buying a propane engine. This power rating helps you get an idea of how much load a generator can handle. 5 HP is the regular power rating of portable inverter generators. If you are buying a generator for industrial-grade applications you may look for a more powerful unit with a power rating of 10 to 15 hp.
Tank Capacity
Propane generators are famous for remote applications like tailgating and camping. The capacity of the fuel tanks is a crucial feature that you need to consider. The larger the tank the higher the run time for the generator. Portable generators usually come with 2-gallon propane tanks.
2 gallons is a sweet spot between the portability and decent run time of different applications. However, if you are looking for a power backup solution for the most demanding application you may look for larger tanks. Remember larger tanks add more weight to the unit and limit the portability.
Run Time
The efficiency of the generator can be assessed through its run time. The efficient generator can run for a longer time with limited fuel. The average run time of propane generators varies between 10-15 hours with 20-25 lb propane. The run time of the generator depends upon the quality of the motor, the capacity of the engine, and the load.
The efficiency of the generator can be assessed through its run time. The efficient generator can run for a longer time with limited fuel. The average run time of propane generators varies between 10-15 hours with 20-25 lb propane. The run time of the generator depends upon the quality of the motor, the capacity of the engine, and the load.
Physical Footprint
The physical footprint of the generator is another important consideration. Depending upon the space available and power requirement you should look for a proper power-to-size ratio. Portable inverter generators weigh less than 50 lbs but their power output is limited to 3000 watts. These generators are ideal for remote applications like RVs tailgating and camping. Also, these generators have a limited fuel holding capacity and therefore the run time is also limited.
If you are more concerned about power than probability, you may look for big and bulky units with large engines and big propane tanks. These generators can weigh as high as 500 lbs and are fixed in one place. Advanced power generators are designed with the needs of compact space in mind and you can find options with size-power ratios.
Noise Level
Gas generators are noisy and can be seriously annoying if not handled with care. The more powerful the engine the higher the noise rating. The normal noise rating of portable generators varies between 50-60 dB. However, larger units are loud and under heavy load and can produce unbearable levels of noise. If you are buying a powerful unit with a 4000+watt power rating make sure its noise level is not more than 70 dB. You can control the noise level of the generator by placing them away from the window, bedroom, and main door.
Safety
While buying a propane generator you must consider the user’s and equipment’s safety. Advanced propane generators come with low fuel and oil indicators. These indicators will help you turn off the generator in case of a low oil level to avoid damage. Some generators use an automatic shut-off technology and the generator stops working if the fuel or oil level drops to a specific limit.
Starter Type
Propane generators either come with an electric starter or a recoil starter. Electric starter generators use a push button and offer a quick start. However, the quick start function is highly affected by the weather condition since it uses a battery. You may face issues in winter and also it doesn’t work if the battery is drained.
The recoil start generator uses a ripcord that you need to pull to start. It is less convenient but more reliable than a push start button. It doesn’t require a battery and works smoothly in all temperature conditions. It doesn’t require a battery and has the least maintenance requirements. For outdoor applications, a recoil starter is highly recommended.
At the end of this review, I highly recommend you look for EPA and CARB certification before buying a new generator. All the options reviewed on our list are tested for quality, efficiency, and performance making it pretty easy for you to make a choice. Here are my three favorites from the list:
- DuroMax XP4850EH Generator for its stable power output, MX2 technology for best fuel economy, and easy-to-handle design.
- Champion 3400-Watt Dual FuelPortable Inverter Generator for incredible fuel efficiency, lightweight profile, and CARB & EPA certifications.
- Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator for class-leading run time, ability to handle heavy-duty applications, and trouble-free electric start function.
If you are looking for a generator for regular outdoor use it is advised to buy portable generators with parallel cabling support. Parallel cabling support allows you to link the generator with another generator to enhance the total power output.
