When selecting a portable generator for electric furnace backup, you need a reliable power source that can handle high wattage loads during outages. The Westinghouse 12500 Watt Dual Fuel Generator stands out for its impressive capacity and remote start, making it ideal for larger homes. The WEN 4,750-Watt Dual Fuel Generator offers a more affordable yet powerful option, especially if portability is key. However, tradeoffs include size, fuel consumption, and noise levels, which vary across models. Continue reading for a detailed comparison to find the best fit for your backup power needs.
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Key Takeaways
- High wattage capacity is essential for reliably powering an electric furnace during outages.
- Dual fuel options provide flexibility, but fuel efficiency and runtime vary significantly.
- Remote start features add convenience for frequent testing or emergency use.
- Inverter generators tend to be quieter and more fuel-efficient, but often have lower power output.
- Size and portability should match your storage space and mobility needs for emergency setups.
| WEN 4,750-Watt Dual Fuel Portable Generator with Electric Start and Wheel Kit |  | Best Overall for Versatile Emergency Power | Power: 4750 surge / 3800 running watts (gas), 4350 surge / 3500 running watts (propane) | Fuel Type: Gasoline and Propane | Engine: 224cc 4-stroke OHV | VIEW ON AMAZON | See Our Full Breakdown |
| Oxseryn Power Equipment 4400 Watts Inverter Generator Gas Powered, Portable Open Frame Generator, Low Noise with ECO Mode, RV Ready, Emergency Home Backup |  | Best for Quiet, Lightweight Home and RV Backup | Wattage: 3400 watts | Fuel Type: Gasoline | Engine Displacement: 208 cc | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with CO Watchdog |  | Best for Sensitive Electronics and RV Use | Engine Displacement: 224cc | Surge Watts: 6800 | Rated Watts: 5100 | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 13500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best for Heavy-Duty Power and Long Runtime | Peak Watts: 13500 | Running Watts: 10500 (Gasoline), 9500 (Propane) | Fuel Type: Gasoline, Propane, Natural Gas | VIEW ON AMAZON | See Our Full Breakdown |
| Oxseryn 2800-Watts Portable Inverter Generator for Home and Camping |  | Best for Compact, Quiet Home and Camping Backup | Peak Watts: 2800 | Running Watts: 2000 | Engine Displacement: 79.8 cc | VIEW ON AMAZON | See Our Full Breakdown |
| Oxseryn 4400-Watts Inverter Generator, Gas Powered, Emergency Home Backup, RV Ready 30A Outlet |  | Best Overall Portable Generator for Electric Furnace Backup | Wattage: 4400 watts | Fuel Type: Gasoline | Power Source: Fuel Powered | VIEW ON AMAZON | See Our Full Breakdown |
| Generac 12,500 Starting Watt Tri-Fuel Portable Generator, Electric Start |  | Best Heavy-Duty Power for Extended Electric Furnace Backup | Starting Watts: 12,500 | Running Watts: 9,500 | Fuel Types: Gasoline, Propane, Natural Gas | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 6600 Watt Portable Home Backup Generator with Remote Electric Start |  | Best for Ease of Use with Remote Start and Long Runtime | Peak Watts: 6600 | Running Watts: 5300 | Fuel Tank Capacity: 4.7 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 4650 Peak Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best Dual-Fuel Flexibility for Electric Furnace Backup | Peak Watts: 4650 | Rated Watts (Gasoline): 3600 | Rated Watts (Propane): 3240 | VIEW ON AMAZON | See Our Full Breakdown |
| DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Electric Start and Transfer Switch Ready |  | Best for Whole-Home Backup with Heavy Duty Power | Wattage: 13,000 watts | Fuel Type: Gasoline and Propane | Fuel Tank Volume: 8.3 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| 2800W Portable Inverter Generator with CO Sensor, Fuel Efficient Gas Powered, Parallel Ready for Camping and Emergency Backup |  | Best for Sensitive Electronics and Compact Emergency Power | Wattage: 2500 watts | Fuel Type: Gasoline | Power Source: Fuel Powered | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best for High-Power Backup with Convenience Features | Peak Watts: 12500 | Running Watts: 9500 | Fuel Type: Gasoline, Propane | VIEW ON AMAZON | See Our Full Breakdown |
| portable generator for electric furnace backup | Fuel Type | Fuel Tank Capacity |
|---|---|---|
| WEN 4,750-Watt Dual Fuel Porta | Gasoline and Propane | — |
| Oxseryn Power Equipment 4400 W | Gasoline | — |
| WEN 6800-Watt Dual Fuel RV-Rea | — | 2.9 gallons |
| Westinghouse 13500 Peak Watt D | Gasoline, Propane, Natural Gas | 9.5 gallons |
| Oxseryn 2800-Watts Portable In | — | 1.1 gallons |
| Oxseryn 4400-Watts Inverter Ge | Gasoline | — |
| Generac 12,500 Starting Watt T | — | 7.5 gallons |
| Westinghouse 6600 Watt Portabl | — | 4.7 gallons |
| Westinghouse 4650 Peak Watt Du | — | 4 gallons |
| DuroStar DS13000MX 13,000-Watt | Gasoline and Propane | — |
| 2800W Portable Inverter Genera | Gasoline | — |
| Westinghouse 12500 Watt Dual F | Gasoline, Propane | 6.6 gallons |
More Details on Our Top Picks
WEN 4,750-Watt Dual Fuel Portable Generator with Electric Start and Wheel Kit
This WEN generator stands out for its dual fuel capability, offering flexibility between gasoline and propane—an advantage over the Oxseryn inverter, which only runs on gasoline. Its electric start simplifies operation, especially during emergencies when quick setup matters. The 11-hour runtime on a 4-gallon tank makes it suitable for extended outages, but its weight and bulkiness limit portability compared to lighter options like the Oxseryn inverter. The multiple outlets accommodate various devices, yet it provides a surge wattage of 4750, which might not power high-demand electric furnaces at once. Its 2-year warranty adds peace of mind, but routine maintenance is necessary to keep it running smoothly. This makes it ideal for homeowners seeking reliable backup power with fuel flexibility, though less suited for those prioritizing ultra-light portability.
Pros:- Dual fuel capability provides flexibility in fuel choice
- Electric start for quick, effortless operation
- Long runtime of up to 11 hours on a full tank
- Multiple outlets for diverse device connections
Cons:- Relatively heavy and bulky, limiting portability
- Surge wattage may be insufficient for high-demand appliances
Best for: Homeowners wanting a reliable, versatile backup generator that can switch between fuels and handle multiple devices.
Not ideal for: Those needing a lightweight, compact generator for frequent portable use or small, infrequent backup needs.
- Power:4750 surge / 3800 running watts (gas), 4350 surge / 3500 running watts (propane)
- Fuel Type:Gasoline and Propane
- Engine:224cc 4-stroke OHV
- Tank Capacity:4 gallons
- Runtime:Up to 11 hours at half load
- Outlets:Two 120V GFCI, 120V/240V twist lock, 12V DC
Our verdict“This generator suits homeowners who need dependable backup power with fuel options but don’t mind its weight and size.”
Oxseryn Power Equipment 4400 Watts Inverter Generator Gas Powered, Portable Open Frame Generator, Low Noise with ECO Mode, RV Ready, Emergency Home Backup
Compared with the WEN, this Oxseryn inverter generator offers a quieter operation at under 72 dBA, making it better suited for indoor use or noise-sensitive environments. Its lightweight design at only 56 lbs makes it highly portable, ideal for camping or small home backups where mobility matters. However, it’s limited to gasoline fuel and a 2-gallon tank, resulting in a shorter runtime of around 14 hours, which may be insufficient for longer outages. Its quiet ECO mode enhances efficiency, but regular maintenance is still needed to keep performance steady. The multiple output options, including USB and Type-C, provide versatility for small electronics, though it isn’t designed to power larger appliances like electric furnaces. This generator is best for users needing a portable, quiet, and efficient unit for light to moderate power needs.
Pros:- Very quiet operation at 58 dBA from 23 feet
- Lightweight and portable at only 56 lbs
- Fuel-efficient ECO mode extends runtime
- Multiple outlets, including USB and Type-C
Cons:- Limited to gasoline fuel, no dual-fuel option
- Shorter runtime on a small tank compared to larger models
- May emit a slight smell of gas upon arrival
Best for: Campers, RV owners, and small household users needing quiet, portable backup power for electronics and small appliances.
Not ideal for: Households with high-energy appliances like electric furnaces or those requiring long runtime without refueling.
- Wattage:3400 watts
- Fuel Type:Gasoline
- Engine Displacement:208 cc
- Tank Volume:2 gallons
- Runtime:14 hours
- Noise Level:58 dBA from 23 ft
Our verdict“This inverter generator is perfect for users prioritizing portability and quiet operation for light power needs, but it’s less suited for high-demand appliances like electric furnaces.”
WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with CO Watchdog
This WEN model surpasses many in clean power delivery, making it ideal for sensitive electronics and RV applications, especially compared to the Oxseryn inverter that offers less surge wattage. Its dual fuel capability with gasoline and propane provides added flexibility. The electric start and CO watchdog safety feature enhance user convenience and safety, but with a runtime of just over 6 hours at half load, it may require frequent refueling during extended outages. The generator’s weight and size make it less portable than smaller inverters like the Oxseryn, though it offers higher surge capacity—up to 6800 watts—making it suitable for powering electric furnaces if they are within its limits. It’s best suited for users who need clean, stable power for electronics and RV comfort, but not for those needing prolonged operation or high surge power for large appliances.
Pros:- Provides stable, clean power safe for sensitive electronics
- Dual fuel capability adds flexibility with LPG or gasoline
- Electric start simplifies operation
- Includes safety features like CO shutdown
Cons:- Limited runtime of just over 6 hours at half load
- Relatively heavy and less portable than smaller units
- Additional accessories like parallel kits are sold separately
Best for: RV owners and homeowners needing clean, stable power for sensitive electronics and short-term backup.
Not ideal for: Users requiring long runtime or power for high-demand appliances like electric furnaces over extended periods.
- Engine Displacement:224cc
- Surge Watts:6800
- Rated Watts:5100
- Fuel Tank Capacity:2.9 gallons
- Run Time:up to 6.1 hours at half load
- Noise Level:64 decibels at quarter load
Our verdict“This generator is designed for RVers and electronics enthusiasts who prioritize clean power and safety, but isn’t suited for long-term or high-demand residential backup.”
Westinghouse 13500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start
Compared to the smaller WEN or Oxseryn generators, the Westinghouse WGen10500DFc offers significantly higher power output—up to 13,500 peak watts—making it a strong choice for powering electric furnaces during outages. Its ability to run on gasoline, propane, or natural gas adds exceptional fuel flexibility. The remote electric start and large 9.5-gallon tank enable up to 19 hours of operation, ideal for extended outages or large-scale backup needs. However, its weight and size mean it’s less portable and more complex to set up, especially for those unfamiliar with large generators. The noise levels are higher, typical of large units, and it’s better suited for permanent backup stations rather than frequent transport. This generator is best for users who need substantial power and long runtime, especially in stationary backup scenarios, rather than frequent mobility.
Pros:- High power capacity suitable for electric furnaces
- Remote electric start for convenience
- Multiple fuel options including natural gas
- Long runtime of up to 19 hours
Cons:- Heavy and bulky, difficult to move without wheels
- More complex setup for first-time users
- Higher noise levels typical of large generators
Best for: Large households or small businesses requiring high power, long runtime, and fuel flexibility for electric furnace backup.
Not ideal for: Individuals needing lightweight, portable units for occasional use or camping.
- Peak Watts:13500
- Running Watts:10500 (Gasoline), 9500 (Propane)
- Fuel Type:Gasoline, Propane, Natural Gas
- Fuel Tank Capacity:9.5 gallons
- Run Time:Up to 19 hours
- Features:Remote electric start, fuel gauge, CO sensor
Our verdict“This generator suits users seeking high-capacity, long-running backup power for demanding appliances, but it’s less practical for portable or lightweight needs.”
Oxseryn 2800-Watts Portable Inverter Generator for Home and Camping
This Oxseryn model is designed for portability, making it ideal for camping and small home backup where space and noise restrictions are key. Its 2800-watt peak and 2000-watt running capacity are lower than the larger models like the Westinghouse or WEN, but its lightweight frame at 39 lbs makes it easier to carry and position. The 1.1-gallon tank limits runtime to about 9 hours, which is less than larger units, but its quiet operation at 58 dBA appeals to users needing minimal disturbance. While it produces a slight gas smell upon arrival, it offers USB and Type-C outlets for modern electronics. It’s not suitable for powering electric furnaces or high-demand appliances, but it excels for small electronics, camping, or short-term emergencies where portability is paramount.
Pros:- Quiet operation at 58 dBA
- Lightweight and highly portable at 39 lbs
- Multiple versatile outlets including USB and Type-C
- Fuel-efficient with up to 9 hours runtime
Cons:- Limited to 1.1-gallon fuel tank, reducing runtime
- May emit a gas smell due to factory testing
- Not suitable for powering high-demand appliances
Best for: Campers, small households, or emergency kits needing portable, quiet, and efficient power for electronics.
Not ideal for: Home users with electric furnaces or those requiring extended runtime without frequent refueling.
- Peak Watts:2800
- Running Watts:2000
- Engine Displacement:79.8 cc
- Fuel Tank Capacity:1.1 gallons
- Runtime:9 hours
- Noise Level:58 dBA from 23 ft
Our verdict“This compact inverter generator is perfect for portable, quiet power on the go, but it’s not designed for high-energy appliances like electric furnaces.”
Oxseryn 4400-Watts Inverter Generator, Gas Powered, Emergency Home Backup, RV Ready 30A Outlet
This inverter generator excels in delivering reliable power with 4400 peak watts and 3400 running watts, making it a solid choice for maintaining electric furnace operation during outages. Compared to larger, more powerful models like the DuroStar DS13000MX, it offers a more manageable size and weight, simplifying portability without sacrificing essential capacity. Its inverter technology ensures cleaner power, ideal for sensitive electronics, while the fuel efficiency and quiet operation make it suitable for home or RV use. The main tradeoff involves a limited fuel tank, requiring refueling after approximately 14 hours, which may be less convenient during extended outages. Overall, this model balances power, portability, and quietness for those who prioritize ease of use and reliability.
Pros:- Powerful 4400-watt peak suitable for essential home appliances
- Lightweight at 56 lbs for easy transportation
- Fuel-efficient with up to 14 hours runtime
Cons:- Limited fuel tank capacity may require frequent refueling
- No specified noise level, potential concern for noise-sensitive environments
Best for: Homeowners seeking a portable, quiet backup for electric furnace and essential appliances during outages
Not ideal for: Large households or businesses needing continuous, high-capacity power without refueling concerns
- Wattage:4400 watts
- Fuel Type:Gasoline
- Power Source:Fuel Powered
- Voltage:120 volts
- Tank Volume:2 gallons
- Runtime:14 hours
- Engine Power:4.4 KW
- Engine Type:4 Stroke
- Additional Features:Inverter technology, Eco mode, Low oil shutdown
Our verdict“This inverter generator is ideal for homeowners needing reliable, portable backup power for electric furnaces and small to medium loads.”
Generac 12,500 Starting Watt Tri-Fuel Portable Generator, Electric Start
The Generac GP9500E stands out for its high starting wattage of 12,500, making it capable of powering larger electric furnaces and multiple appliances simultaneously. Its tri-fuel capability—gasoline, propane, or natural gas—extends runtime flexibility, especially compared with the Westinghouse 6600 Watt model, which is limited to gasoline. The automatic voltage regulation and CO sensing technology enhance safety and stability during prolonged outages. However, its weight of 219 lbs makes transportation more challenging without assistance, and its size may be overkill for smaller setups. This generator primarily suits users who need maximum power and fuel versatility for demanding backup needs but don’t mind dealing with its bulk.
Pros:- Massive 12,500 starting watts for whole-home backup
- Tri-fuel capability for flexible, extended runtime
- Safety features including CO sensing and automatic voltage regulation
Cons:- Very heavy at 219 lbs, difficult to move without help
- Larger fuel tank and size require more space and maintenance
Best for: Homeowners with large electric furnaces or those requiring long-term, heavy-duty backup power
Not ideal for: Casual users or those with limited space who prefer lightweight, portable options
- Starting Watts:12,500
- Running Watts:9,500
- Fuel Types:Gasoline, Propane, Natural Gas
- Fuel Tank Capacity:7.5 gallons
- Runtime at 50% load:up to 9.5 hours
- Weight:219 lbs
- Outlets:Multiple including 120V GFCI, 30A, 50A
Our verdict“This generator is best suited for users needing serious power capacity and fuel flexibility during extended outages, despite its bulk.”
Westinghouse 6600 Watt Portable Home Backup Generator with Remote Electric Start
The Westinghouse 6600 Watt model offers a compelling blend of power and convenience, with a 274cc engine capable of up to 14.5 hours of runtime—longer than many comparable units like the Oxseryn 4400-Watt inverter. Its electric start with remote key fob simplifies operation, especially during stressful outages, and its multiple outlets, including transfer switch and RV-ready options, make it versatile for home and travel. The main limitation is its weight, which can make mobility difficult without wheels or assistance. Additionally, some users may notice residual oil or fuel odors after factory testing, which could be a concern for indoor storage or sensitive environments. This generator makes the most sense for those valuing ease of operation and extended runtime for home backup.
Pros:- Powerful 6600 peak watts suitable for whole house backup
- Remote electric start adds convenience
- Long run time up to 14.5 hours
Cons:- Heavy and bulky, difficult to move without wheels
- Possible residual odor after testing
Best for: Homeowners wanting a reliable, easy-start generator with long run time for electric furnace or home essentials
Not ideal for: Users who prioritize ultra-lightweight portability or need frequent transportability
- Peak Watts:6600
- Running Watts:5300
- Fuel Tank Capacity:4.7 gallons
- Run Time:Up to 14.5 hours
- Engine:274cc Westinghouse 4-Stroke OHV
- Outlets:Multiple including transfer switch and RV
Our verdict“Ideal for users who prioritize long runtime, remote start, and straightforward operation for home backup needs.”
Westinghouse 4650 Peak Watt Dual Fuel Portable Generator with Remote Electric Start
The Westinghouse WGen3600DFc offers a balanced mix of power, dual-fuel versatility, and convenience, with 4,650 peak watts suitable for smaller electric furnaces and essential loads. Its dual-fuel capability allows switching between gasoline and propane, extending usability and runtime, especially compared with inverter models like Oxseryn’s 4400-Watt inverter, which lack this feature. The electric start with remote key fob simplifies operation, and safety features such as CO detection and low oil shutdown enhance reliability. On the downside, it is relatively heavy and may require assistance for transport, and its runtime of approximately 14 hours is standard but not exceptional. This generator fits users seeking fuel flexibility and ease of use for backup power in moderate loads.
Pros:- Dual-fuel capability provides flexibility and extended runtime
- Remote electric start for easy operation
- Safety features like CO detection
Cons:- Heavier and less portable without assistance
- Standard runtime may not suit extended outages without refueling
Best for: Homeowners with moderate power needs looking for dual-fuel convenience and remote start
Not ideal for: Power users who need high wattage or ultra-lightweight portable units
- Peak Watts:4650
- Rated Watts (Gasoline):3600
- Rated Watts (Propane):3240
- Fuel Tank Capacity:4 gallons
- Run Time:Up to 14 hours
- Engine:212cc Westinghouse OHV
- Outlets:Multiple including RV and standard outlets
Our verdict“This generator is well-suited for users wanting dual fuel options and remote operation for home backup in moderate load scenarios.”
DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Electric Start and Transfer Switch Ready
The DuroStar DS13000MX is designed for demanding backup situations, delivering 13,000 peak watts capable of powering an entire home’s electric furnace alongside other critical systems. Its all-metal construction and large 8.3-gallon fuel tank make it suitable for extended outages, and the dual-fuel capability ensures flexible fueling options. The electric start with transfer switch readiness simplifies setup during emergencies. However, its substantial weight and size make portability a challenge, and refueling during prolonged outages could become a logistical concern. Compared with smaller models like the Westinghouse 6600 Watt, it offers unparalleled power, making it ideal for those with serious backup needs who can handle its bulk.
Pros:- Massive 13,000-watt capacity for whole-home backup
- Dual fuel flexibility extends runtime and fuel choice
- Durable all-metal construction for longevity
Cons:- Heavy and difficult to move without assistance
- Large fuel tank requires monitoring and refilling
Best for: Homeowners seeking maximum power for whole-house backup, including electric furnaces and heavy appliances
Not ideal for: Individuals prioritizing lightweight, portable units or limited space setups
- Wattage:13,000 watts
- Fuel Type:Gasoline and Propane
- Fuel Tank Volume:8.3 gallons
- Engine Displacement:500 cc
- Additional Features:Electric start, transfer switch ready, CO sensor
Our verdict“This generator is best for users who need the highest power capacity and durability despite its size and weight, suitable for serious backup scenarios.”
2800W Portable Inverter Generator with CO Sensor, Fuel Efficient Gas Powered, Parallel Ready for Camping and Emergency Backup
This inverter generator stands out for delivering clean, stable power with a maximum of 2800 watts, making it ideal for sensitive electronics that could be damaged by typical generators like the Westinghouse WGen9500DF. Its inclusion of a CO sensor and low-oil shutdown enhances safety during long outages, but its runtime of only 10 hours on a small fuel tank limits continuous use without refueling. Compared to larger, dual-fuel options, this model sacrifices some power capacity but excels in portability and ease of use, especially with parallel capability for added output. The recoil start and compact size make it suitable for outdoor enthusiasts and small households, though those needing extended backup power might find its runtime restrictive.
Pros:- Provides clean, stable power suitable for sensitive electronics
- Includes safety features like CO sensor and low-oil shutdown
- Parallel-ready for increased power output
- Compact, portable design
Cons:- Limited runtime of 10 hours on a small fuel tank
- Requires a separate parallel kit for dual generator setup
- Recoil start may be less convenient than electric start
Best for: Homeowners or campers who need reliable, clean power for electronics during short outages or outdoor activities.
Not ideal for: Large households or businesses requiring continuous power for extended periods, due to its limited fuel tank and runtime.
- Wattage:2500 watts
- Fuel Type:Gasoline
- Power Source:Fuel Powered
- Recommended Uses:Camping, Emergency Backup, Outdoor Events, Portable Power
- Voltage:120 volts
- Output Wattage:2800 watts
- Additional Features:CO Sensor
- Tank Volume:1.45 gallons
- Engine Displacement:122 cc
Our verdict“This inverter generator makes the most sense for users prioritizing portability and sensitive electronics over extended runtime.”
Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start
This model clearly leads in sheer power, offering up to 12,500 peak watts and 9,500 running watts, making it a strong choice for powering a full electric furnace alongside other large appliances. Its dual-fuel capability adds versatility, allowing operation on gasoline or propane, which can extend runtime and fuel options during outages. The remote electric start simplifies operation at a distance, a feature not available on the smaller inverter generator like the Oxseryn 4400-Watt. However, its size and weight—requiring a robust setup—may challenge portability, and its higher price point could deter budget-conscious buyers. Compared to inverter models, it’s less suited for sensitive electronics but excels in delivering steady power for whole-home backup.
Pros:- High wattage output capable of running large appliances and electric furnace
- Dual fuel flexibility extends runtime and fuel options
- Remote electric start for easy operation
- Long runtime of up to 12 hours on a full tank
Cons:- Heavy and bulky, challenging to move without wheels
- Complex setup for first-time users
- Higher cost may be a barrier for some buyers
Best for: Homeowners seeking a robust, reliable backup for major appliances and electric heating during extended outages.
Not ideal for: Individuals requiring lightweight, portable power for camping or short-term outdoor use, due to its bulk and weight.
- Peak Watts:12500
- Running Watts:9500
- Fuel Type:Gasoline, Propane
- Engine:457cc 4-Stroke OHV
- Run Time:Up to 12 hours
- Fuel Tank Capacity:6.6 gallons
- Outlets:Two GFCI 120V, Transfer Switch Ready 120V L14-30R, RV Ready 120/240V 14–50R
- Start Type:Remote Electric and Recoil
- Warranty:3 years
Our verdict“This generator is best suited for users who need dependable, high-capacity power for entire homes or electric furnaces, and don’t mind the size and cost.”
How We Picked
I evaluated each generator based on power output, fuel options, runtime, portability, ease of use, and overall build quality. Since powering an electric furnace requires sustained high wattage, capacity was a primary factor. I also considered features like electric and remote start for convenience, as well as noise levels and fuel efficiency. The ranking favors models that strike a balance between power and portability, with extra points for safety features like CO sensors. Products were compared on value, reliability, and user feedback to ensure practical, real-world performance.| portable generator for electric furnace backup | Fuel Type |
|---|---|
| WEN 4,750-Watt Dual Fuel Porta | Gasoline and Propane |
| Oxseryn Power Equipment 4400 W | Gasoline |
| WEN 6800-Watt Dual Fuel RV-Rea | — |
| Westinghouse 13500 Peak Watt D | Gasoline, Propane, Natural Gas |
| Oxseryn 2800-Watts Portable In | — |
| Oxseryn 4400-Watts Inverter Ge | Gasoline |
| Generac 12,500 Starting Watt T | — |
| Westinghouse 6600 Watt Portabl | — |
| Westinghouse 4650 Peak Watt Du | — |
| DuroStar DS13000MX 13,000-Watt | Gasoline and Propane |
| 2800W Portable Inverter Genera | Gasoline |
| Westinghouse 12500 Watt Dual F | Gasoline, Propane |
Factors to Consider When Choosing Portable Generator For Electric Furnace Backup
Choosing the right portable generator for electric furnace backup involves understanding several key factors. Power capacity is paramount; you need a unit that can handle the heavy startup and running wattage of your furnace. Fuel type and efficiency impact runtime and convenience, especially during extended outages. Portability isn’t just about size—consider how easy it is to move and store the generator. Additional features like remote start and safety sensors can improve usability and safety, but often come at a higher price. Balancing these elements ensures you select a generator that fits your home and budget.Power Output and Capacity
Power capacity is the most critical aspect because an electric furnace demands a high startup wattage, often over 10,000 watts, with continuous running needs above 5,000 watts. Look for generators that can comfortably handle these loads without overloading or risking failure. While smaller models may be cheaper, they won’t sustain your furnace during an outage, making capacity a priority. Always check the surge (starting) wattage and running wattage ratings to match your specific furnace requirements.
Fuel Type and Efficiency
Most portable generators use gasoline, but dual-fuel models that accept propane or natural gas offer greater flexibility and potentially cleaner operation. Fuel efficiency impacts how long your generator can run on a tank, which is crucial for prolonged outages. A model with a large fuel tank or higher efficiency can reduce refueling needs and provide more reliable backup power. Keep in mind that some fuels burn cleaner and are better for indoor or enclosed storage, but availability and cost vary.
Portability and Size
Powerful generators tend to be larger and heavier, which can make transportation and storage challenging. Consider how often you might need to move the unit—if your setup requires frequent repositioning, look for models with wheels and handles. Conversely, if the generator stays in one place, size and weight become less critical. Remember that heavier units may require additional equipment or help to move safely, especially during emergency situations.
Features and Safety
Features like remote start, electric start, and CO sensors add convenience and safety, especially during emergency use. A remote start allows you to turn on the generator from inside your home, while CO sensors automatically shut the unit down if dangerous fumes are detected. While these features boost usability, they often increase upfront costs. Consider your comfort with manual operation versus automation when choosing a model.
Noise Level and Runtime
Extended outages require a generator that runs quietly and efficiently. Inverter models typically produce less noise, making them suitable for residential areas, though they might lack the high wattage needed for large appliances. Runtime depends on tank size and fuel efficiency; larger tanks extend operation without refueling. Assess your expected outage duration and select a model that balances noise, runtime, and power output accordingly.
Frequently Asked Questions
Can I power my electric furnace with a portable generator?
Yes, but only if the generator provides enough wattage to handle your furnace’s startup and running loads. Electric furnaces often require over 10,000 watts at startup, so a generator with at least 12,000 watts surge capacity is recommended. Using a generator with insufficient capacity can cause damage or failure to start the furnace. Always check your furnace’s specifications and match them with the generator’s ratings for safe operation.
What safety features should I look for in a generator for home backup?
Safety features such as carbon monoxide sensors, automatic shutoff, and overload protection are essential. CO sensors detect dangerous fumes and shut the generator down to prevent poisoning. Overload protection prevents damage to your appliances and the generator itself. Remote start can also increase safety by allowing you to operate the generator from inside, reducing exposure to fumes during startup. Prioritize models with these features for safer backup power.
How long can a portable generator run during an outage?
Runtime depends on the fuel tank size and fuel efficiency of the generator. Most models can run between 8-12 hours on a full tank, but this varies widely. Larger tanks extend runtime, which is beneficial for prolonged outages, especially when powering a furnace continuously. Remember that heavy loads like an electric furnace will consume fuel faster, so always choose a generator with a higher capacity than your minimum needs to ensure reliable operation.
Is inverter technology necessary for furnace backup?
Inverter generators are known for quieter operation and cleaner power output, which is beneficial for sensitive electronics, but they often lack the high wattage needed for electric furnaces. For powering a furnace, a traditional open-frame generator with high surge capacity is typically required. However, some inverter models now offer higher wattage options, so if noise and fuel efficiency are priorities, look for inverter units with sufficient power ratings.
Should I consider dual fuel generators for furnace backup?
Dual fuel generators offer greater flexibility in fuel choice, allowing you to switch between gasoline and propane or natural gas. This can be advantageous during extended outages when gasoline might be scarce or when cleaner operation is desired. However, dual fuel units tend to be more expensive and sometimes bulkier. If you value versatility and longer runtime options, a dual fuel generator can be a smart investment for furnace backup.
