If you’re searching for a whole house generator with auto start, you’re likely looking for a reliable way to keep your home powered during outages without manual intervention. The best models offer seamless startup, but they vary widely in capacity, fuel type, and price. The Westinghouse 28000 Peak Watt Portable Home Backup Generator stands out for its high power output, while the Westinghouse 9500 Peak Watt Home Backup Generator offers a balanced mix of features and affordability. Tradeoffs typically involve choosing between higher capacity and cost or simplicity and ease of use. Keep reading for a detailed review of the top options to find the right fit for your home.
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Key Takeaways
- The highest capacity models like the Westinghouse 28000 Watt provide power for larger homes but come with higher price tags and installation complexity.
- Dual-fuel options offer flexibility but can add to maintenance and initial costs, making them best for users who want versatility.
- Prime considerations include auto start reliability, noise levels, and fuel efficiency—these often vary significantly across models.
- Cheaper or smaller units may lack seamless auto start features, requiring manual intervention during outages.
- The best overall picks balance capacity, ease of use, and price, while premium options focus on advanced features and durability.
| Westinghouse 14500 Peak Watt Tri-Fuel Portable Generator with Remote Electric Start |  | Best Overall Portable Whole House Backup with Versatile Fuel Options | Peak Watts: 14,500 | Running Watts: 11,500 | Fuel Types: Gasoline, Propane, Natural Gas | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 28000 Peak Watt Portable Home Backup Generator with Remote Electric Start |  | Best Heavy-Duty Power for Large Homes and Job Sites | Peak Watts: 28,000 | Running Watts: 20,000 | Engine: 999cc Westinghouse V-Twin OHV | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable Generator with Remote Electric Start |  | Best for Versatile Home Backup with Long Runtime | Peak Watts (Gasoline): 13500 | Running Watts (Gasoline): 10500 | Peak Watts (Propane): 12500 | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 9500 Peak Watt Home Backup Portable Generator with Remote Electric Start and CO Sensor |  | Best Compact Backup with Essential Safety Features | Peak Watts: 9500 | Running Watts: 7500 | Fuel Tank Capacity: 6.6 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 4650 Peak Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best Budget-Friendly Dual Fuel Backup with Remote Start | Rated Watts: 3600W | Peak Watts: 4650W | Fuel Tank Capacity: 4 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Electric Start |  | Best Overall for Whole House Backup with Dual Fuel Flexibility | Power Output: 13,000 Watts | Fuel Type: Gasoline and Propane | Start Type: Electric Start | VIEW ON AMAZON | See Our Full Breakdown |
| DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator |  | Best for Heavy-Duty Portable Power with Dual Fuel | Power Output: 13,000 Watts | Fuel Type: Gas & Propane | Start Type: Electric start | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 4,750-Watt Dual Fuel Portable Generator with Electric Start and Wheel Kit |  | Best Budget-Friendly for Smaller Homes and Emergencies | Power: 4750 surge / 3800 running watts (gas) | Fuel Type: Gasoline and Propane | Start Type: Electric start | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 6600 Watt Home Backup Portable Generator with Remote Electric Start |  | Best for Mid-Size Backup with Remote Convenience | Peak Watts: 6600 | Running Watts: 5300 | Fuel Tank Capacity: 4.7 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| whole house generator with auto start | Fuel Tank Capacity | Peak Watts | Engine | Run Time |
|---|---|---|---|---|
| Westinghouse 14500 Peak Watt T | 9.5 gallons | 14,500 | 550cc 4-Stroke OHV | — |
| Westinghouse 28000 Peak Watt P | 17 Gallons | 28,000 | 999cc Westinghouse V-Twin OHV | Up to 15 hours |
| Westinghouse 13500 Peak Watt T | 9.5 gallons | — | 500cc Westinghouse 4-Stroke OHV | up to 19 hours |
| Westinghouse 9500 Peak Watt Ho | 6.6 gallons | 9500 | 420cc 4-Stroke OHV | Up to 11 hours |
| Westinghouse 4650 Peak Watt Du | 4 gallons | 4650W | — | — |
| DuroStar DS13000MX 13,000-Watt | — | — | — | — |
| DuroMax XP13000EH 13,000-Watt | — | — | — | — |
| WEN 4,750-Watt Dual Fuel Porta | — | — | — | Up to 11 hours |
| Westinghouse 6600 Watt Home Ba | 4.7 gallons | 6600 | 274cc Westinghouse 4-Stroke OHV | Up to 14.5 hours |
More Details on Our Top Picks
Westinghouse 14500 Peak Watt Tri-Fuel Portable Generator with Remote Electric Start
This generator stands out for its tri-fuel capability, allowing the use of gasoline, propane, or natural gas, which provides flexibility during power outages. Compared with the larger, more powerful models like the Westinghouse 28000 Watt unit, this one is more portable and easier to handle, though it does come with some weight and bulk. Its 550cc engine delivers a long runtime of up to 19 hours on gasoline, making it ideal for extended outages or outdoor events. The low THD ensures sensitive electronics stay protected, a feature often missing in less refined models. The remote electric start adds convenience, especially during cold or rainy conditions. However, its bulk and weight make it less suited for frequent transportation, and residual odors might linger after factory testing. This pick is perfect for homeowners who want flexible fuel options and reliable power in a portable form.
Pros:- Tri-fuel capability offers flexible fuel choices
- Long runtime of up to 19 hours on gasoline
- Low THD safe for sensitive electronics
- Remote electric start for convenience
Cons:- Relatively heavy and bulky for portable use
- May contain residual oil or fuel odor after factory testing
Best for: Homeowners needing versatile fuel options and long runtime for extended outages
Not ideal for: Users seeking a lightweight, compact generator for frequent moving or camping
- Peak Watts:14,500
- Running Watts:11,500
- Fuel Types:Gasoline, Propane, Natural Gas
- Engine:550cc 4-Stroke OHV
- Runtime on Gasoline:up to 19 hours
- Fuel Tank Capacity:9.5 gallons
- Transfer Switch Ready:Yes
- EPA Compliant:Yes
- Warranty:3 years
Our verdict“This generator suits homeowners who prioritize fuel versatility and extended run times over portability.”
Westinghouse 28000 Peak Watt Portable Home Backup Generator with Remote Electric Start
This model delivers a staggering 28,000 peak watts, making it suitable for powering entire homes or demanding worksite equipment. Compared to the smaller Westinghouse 14500-watt model, it provides nearly double the power, though it is significantly heavier and larger, which may complicate transport and storage. Its robust 999cc V-twin engine ensures extended operation, with a runtime of up to 15 hours on a large 17-gallon tank. The remote electric start simplifies operation during emergencies, while multiple outlets, including GFCI and heavy-duty 50A and 30A connections, make it highly adaptable. Safety features like low oil shutdown and a CO sensor add peace of mind. The main tradeoff is its weight and size, which could be problematic for users needing portability. This generator makes the most sense for users who require high power and don’t mind handling a heavier, less portable unit.
Pros:- Unmatched 28,000 peak watts for heavy-duty needs
- Remote electric start for quick deployment
- Multiple versatile outlets including GFCI and heavy-duty connections
- Long runtime on a large fuel tank
Cons:- Heavy and large, difficult to move without help
- Complex setup and operation may require technical knowledge
Best for: Homeowners or contractors needing extreme power capacity for backup or job sites
Not ideal for: Those seeking a lightweight, portable generator for occasional outdoor use or camping
- Peak Watts:28,000
- Running Watts:20,000
- Engine:999cc Westinghouse V-Twin OHV
- Fuel Tank Capacity:17 Gallons
- Run Time:Up to 15 hours
- Outlets:Four GFCI 120V 5–20R, Two 50A 120/240V 14-50R, Two 30A 120/240V L14-30R, One 30A 120V L5-30R, ST Switch
Our verdict“Ideal for users who prioritize raw power over portability, such as contractors or large household backup needs.”
Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable Generator with Remote Electric Start
This generator balances power and fuel flexibility with up to 13,500 peak watts, making it suitable for most home backup needs. Compared to the larger 28000-watt model, it offers less raw power but remains highly capable, especially with its tri-fuel capability, which is rare at this size. Its 500cc engine provides a long runtime of up to 19 hours on gasoline, making it a dependable choice during extended outages. The remote start feature adds convenience, while multiple outlets—including transfer switch and RV-ready outlets—cover most household and outdoor needs. The main drawback is its weight and assembly requirements, which could make setup less straightforward for some users. Residual odors after factory testing are also worth noting. This generator is best suited for homeowners seeking a balance of power, fuel versatility, and long runtime without the bulk of larger models.
Pros:- Tri-fuel capability for versatile fuel use
- Long runtime of up to 19 hours on gasoline
- Remote start for ease of use
- Multiple outlets including transfer switch and RV-ready
Cons:- Heavy and may require assistance to transport
- Initial setup involves some assembly
Best for: Homeowners needing flexible fuel options and long-lasting backup power
Not ideal for: Users who want the highest possible power or require ultra-portable units
- Peak Watts (Gasoline):13500
- Running Watts (Gasoline):10500
- Peak Watts (Propane):12500
- Running Watts (Propane):9500
- Peak Watts (Natural Gas):10000
- Running Watts (Natural Gas):8500
- Fuel Tank Capacity:9.5 gallons
- Run Time:up to 19 hours
- Engine:500cc Westinghouse 4-Stroke OHV
Our verdict“This generator fits homeowners who want long-running, versatile backup power without the size of larger units.”
Westinghouse 9500 Peak Watt Home Backup Portable Generator with Remote Electric Start and CO Sensor
This model provides a solid 9,500 peak watts and 7,500 running watts, making it suitable for essential home backup needs. Compared with larger units like the 14500-watt model, it is more compact and easier to handle, though it offers less overall power for larger households or extensive appliances. Its 420cc engine is durable, and the remote electric start with a key fob simplifies operation during emergencies. The inclusion of a CO sensor enhances safety, a feature often missing in budget models. Its 6.6-gallon tank provides up to 11 hours of runtime, which is adequate for smaller outages. The main tradeoff is its weight, which may limit mobility, and it is primarily gasoline-powered, requiring refueling during extended outages. This generator is best for users who need reliable backup power with safety features in a manageable size.
Pros:- Reliable 9,500 peak watts for essential loads
- Remote electric start with key fob for convenience
- CO sensor enhances safety during operation
- Transfer switch ready for easy home connection
Cons:- Heavy, may be difficult to move frequently
- Limited to gasoline, requiring refueling
Best for: Small households or individuals requiring dependable backup with safety added
Not ideal for: Large households or users needing high power for multiple appliances simultaneously
- Peak Watts:9500
- Running Watts:7500
- Fuel Tank Capacity:6.6 gallons
- Run Time:Up to 11 hours
- Engine:420cc 4-Stroke OHV
- Additional Features:CO sensor, automatic low oil shutdown
Our verdict“Ideal for small households seeking dependable, safety-conscious backup power in a compact form.”
Westinghouse 4650 Peak Watt Dual Fuel Portable Generator with Remote Electric Start
This generator offers 4,650 peak watts and 3,600 rated watts, making it suitable for small backup needs or outdoor activities. Compared with larger models like the 9500-watt generator, it is more affordable, lightweight, and easier to set up. Its dual fuel capability allows operation on gasoline or propane, which adds flexibility, especially during shortages. The remote electric start simplifies activation, and multiple outlets, including RV-ready options, make it versatile for various applications. The main tradeoff is its limited power, which restricts it to essential appliances or smaller loads. Additionally, residual oil or fuel odor from factory testing might be noticeable. Its smaller size makes it ideal for portable use but less suitable for whole-house backup of multiple systems. This pick is perfect for budget-conscious users needing reliable backup for critical loads or outdoor use.
Pros:- Dual fuel capability for flexibility
- Remote electric start for convenience
- Lightweight and easy to transport
- Includes essential accessories and minimal assembly
Cons:- Limited power for whole-house backup
- Residual odor may linger after factory testing
- Limited warranty coverage of 3 years
Best for: Small households or outdoor enthusiasts needing portable backup power
Not ideal for: Users with large homes or high power demands requiring whole-house support
- Rated Watts:3600W
- Peak Watts:4650W
- Fuel Tank Capacity:4 gallons
- Start Type:Electric and Remote
- Fuel Types:Gasoline and Propane
- Warranty:3 years
Our verdict“Best suited for users needing portable, affordable backup power for essentials or outdoor activities.”
DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Electric Start
The DuroStar DS13000MX stands out for its impressive 13,000-watt output, making it a top choice for those seeking reliable whole-house backup power. Its dual fuel capability—gasoline or propane—adds flexibility, especially when fuel availability is uncertain. The electric start simplifies operation, a feature it shares with models like the WEN 4750-Watt Generator, but with significantly higher capacity. Its all-metal construction offers durability, yet the weight and size can be challenging for users needing portability. Compared to smaller models, this generator is better suited for full home backup rather than portable use, but the higher price and ventilation needs are tradeoffs. This pick makes the most sense for homeowners who want maximum power without sacrificing durability.Pros:- Impressive 13,000-watt output suitable for whole-house backup
- Dual fuel capability for flexibility and extended run times
- Electric start for quick, easy operation
- All-metal rugged construction for long-lasting durability
Cons:- Heavy and bulky, difficult to move without assistance
- Higher price point compared to smaller portable models
- Requires proper ventilation due to emissions
Best for: Homeowners seeking a durable, high-capacity generator capable of powering an entire house during outages.
Not ideal for: People who need a lightweight, portable generator for occasional use or RV camping, due to its weight and size.
- Power Output:13,000 Watts
- Fuel Type:Gasoline and Propane
- Start Type:Electric Start
- Transfer Switch Ready:Yes
- Outlet:50-Amp
- Construction:All-metal
Our verdict“This generator is ideal for homeowners wanting reliable, high-capacity backup power and durability, accepting mobility challenges and cost.”
DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator
The DuroMax XP13000EH offers a similar 13,000-watt output as the DuroStar DS13000MX, but with a focus on portability thanks to its rugged all-metal frame and multiple outlets, including transfer switch-ready 50 amp. Its dual fuel capability makes it versatile for home backup or job sites, but it’s heavier and less suited to frequent transport by small households. Unlike the WEN 4750-Watt Generator, which is designed for lighter use, the XP13000EH handles higher loads, making it better for large appliances and whole-house systems. Its copper winding ensures efficiency and durability, though the weight and absence of noise level info mean users should plan for transportation challenges. This generator is best for those needing high power in a portable package, such as contractors or large households.Pros:- Powerful 13,000-watt output for whole-house backup
- Durable all-metal construction with copper winding
- Multiple outlets including transfer switch-ready 50 amp
- Dual fuel flexibility for extended operation
Cons:- Heavy, making it less portable for casual users
- No specific noise level details provided
- Higher cost compared to smaller models like the WEN 4750
Best for: Professionals or homeowners who need a powerful, portable generator for full-home backup and job site use.
Not ideal for: Users seeking a lightweight or compact generator for infrequent or recreational use, due to its weight and size.
- Power Output:13,000 Watts
- Fuel Type:Gas & Propane
- Start Type:Electric start
- Outlets:Multiple including transfer switch-ready 50 amp
- Construction:All-metal frame
- Winding:100% Copper
Our verdict“Ideal for demanding users needing high-capacity portable power with robust durability, accepting the weight tradeoff.”
WEN 4,750-Watt Dual Fuel Portable Generator with Electric Start and Wheel Kit
The WEN 4750-Watt Generator provides a practical balance of power and portability for smaller homes or backup needs. Its dual fuel capability allows switching between gasoline and propane, offering flexibility when fuel sources are limited. The electric start and included wheel kit make it easy to operate and move around, but its 4,750 surge watts limit it to lighter loads. This makes it less suitable for powering large appliances or entire homes, especially when compared to the 13,000-watt options like the DuroStar or DuroMax models. The 4-gallon tank supports up to 11 hours at half load, a solid runtime for its size, but regular maintenance is needed for optimal performance. This generator is best for those with smaller power needs or budget constraints who still want auto start convenience.Pros:- Affordable price point for portable backup power
- Dual fuel capability for fuel versatility
- Electric start for ease of use
- Wheel kit for portability and quick setup
Cons:- Limited power output, not suitable for whole-house backup
- Bulky and somewhat heavy for its size
- Requires regular maintenance for reliability
Best for: Homeowners with modest backup needs or RV users seeking an affordable, portable generator.
Not ideal for: Large households or homes with high power demands, due to limited wattage capacity.
- Power:4750 surge / 3800 running watts (gas)
- Fuel Type:Gasoline and Propane
- Start Type:Electric start
- Tank Capacity:4 gallons
- Run Time:Up to 11 hours
- Outlets:Two 120V GFCI, 120V/240V twist lock, 12V DC
Our verdict“Perfect for smaller backup scenarios or recreational use where portability and cost matter most, accepting limited power capacity.”
Westinghouse 6600 Watt Home Backup Portable Generator with Remote Electric Start
The Westinghouse 6600 Watt Generator offers a solid option for those who want automatic start with remote convenience, similar to the Westinghouse 13500 Peak Watt Generator but scaled down for smaller loads. Its 5300 running watts are sufficient for essential appliances, and the remote start feature allows operation from a distance—beneficial during storms or when access is limited. Its 4.7-gallon tank provides up to 14.5 hours of runtime, surpassing many competitors like the WEN 4750-Watt in endurance. While it’s heavier and bulkier, the safety features such as CO shutdown make it suitable for home backup. Compared to larger models, it balances power and portability for users needing dependable auto start without the highest wattage.Pros:- Powerful 5300 running watts suitable for essentials
- Remote electric start with key fob for convenience
- Long runtime of up to 14.5 hours
- Safety features like CO sensor included
Cons:- Heavy and bulky to move around easily
- Residual odor from factory testing may require airing out
- Limited wattage for large-scale whole-house backup
Best for: Homeowners wanting dependable, remote-start backup power for essential appliances during outages.
Not ideal for: Those needing to power large homes or high-demand appliances, due to its mid-range wattage.
- 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
- Additional Features:Remote start, CO sensor
Our verdict“A reliable choice for homes needing automatic remote start for essential circuits, with acceptable size and runtime.”
How We Picked
Our evaluation focused on performance, reliability, usability, build quality, and value for money. We prioritized models with proven auto start systems that activate smoothly and consistently, especially during power outages. Fuel versatility, noise levels, and maintenance requirements also played key roles, as these factors impact daily use and long-term satisfaction. The ranking reflects a careful comparison of these aspects, aiming to match different buyer needs—from basic backup to premium solutions with advanced features.| whole house generator with auto start | Run Time |
|---|---|
| Westinghouse 14500 Peak Watt T | — |
| Westinghouse 28000 Peak Watt P | Up to 15 hours |
| Westinghouse 13500 Peak Watt T | up to 19 hours |
| Westinghouse 9500 Peak Watt Ho | Up to 11 hours |
| Westinghouse 4650 Peak Watt Du | — |
| DuroStar DS13000MX 13,000-Watt | — |
| DuroMax XP13000EH 13,000-Watt | — |
| WEN 4,750-Watt Dual Fuel Porta | Up to 11 hours |
| Westinghouse 6600 Watt Home Ba | Up to 14.5 hours |
Factors to Consider When Choosing Whole House Generator With Auto Start
Choosing the right whole house generator with auto start involves more than just looking at wattage. Key considerations include capacity, fuel type, auto start reliability, noise levels, and installation complexity. Understanding these factors helps you avoid common pitfalls, like overestimating your home’s power needs or selecting a model that’s too complicated to operate regularly. The right generator should fit your home size, budget, and long-term maintenance preferences, ensuring peace of mind when the power goes out.Capacity and Power Output
Assess your home’s total electricity needs to determine the appropriate wattage. Larger homes with more appliances require higher capacity units, but overestimating can lead to unnecessary costs. Conversely, undersized generators may struggle to power essential circuits during outages. Consider whether you want a generator that can run all or just critical loads, and choose accordingly to balance cost and functionality.
Fuel Type and Efficiency
Fuel options like propane, natural gas, or dual-fuel systems impact convenience and ongoing costs. Dual-fuel models offer flexibility, especially if you have access to multiple fuel sources or want to hedge against fuel shortages. Pay attention to fuel consumption rates and runtime, as these influence long-term operating costs and how often you’ll need to refuel during extended outages.
Auto Start Reliability and Features
Auto start systems vary in sophistication and dependability. A reliable system will detect power outages promptly and start automatically without manual input, which is critical during emergencies. Some models include remote monitoring or smartphone alerts, adding convenience. However, more advanced auto start features often come with higher initial costs and complexity, so consider how much automation you truly need.
Noise Levels and Size
Generators can be noisy, which might be disruptive in residential neighborhoods. Look for models with noise-reduction features if sound is a concern. Size and weight also matter—larger units may require special installation space or professional setup. Balancing capacity with compactness and noise is essential for a seamless integration into your home environment.
Installation and Maintenance
Installation complexity varies widely; some models require professional setup, especially for connection to natural gas lines. Maintenance routines involve regular testing, oil changes, and inspections to ensure auto start functions correctly when needed. Budget for ongoing maintenance costs and consider whether you prefer a plug-and-play portable unit or a permanently installed system with a transfer switch.
Frequently Asked Questions
Can I install a whole house generator with auto start myself?
While some portable models are designed for DIY installation, most permanent whole house generators with auto start require professional setup, especially when connecting to your home’s electrical system and fuel supply. Improper installation can lead to safety hazards or auto start failures. Consulting a licensed electrician or generator specialist ensures the system is installed correctly, meets local codes, and functions reliably when needed.
How long can a whole house generator run during an outage?
The runtime depends on fuel capacity and load. Most models can operate for anywhere from 8 to 24 hours on a full tank, but running continuously at high loads reduces this duration. Dual-fuel units often offer longer runtime when using propane or natural gas, which are typically more abundant and cheaper for extended outages. Always consider your typical outage duration and plan your fuel supply accordingly.
Are automatic transfer switches necessary with these generators?
Automatic transfer switches (ATS) are highly recommended because they seamlessly switch your home’s power source from the grid to the generator during an outage. This prevents manual operation and ensures your home has power without delay. Some models include built-in auto start and transfer switch compatibility, but verify this feature when purchasing, especially if you plan a permanent installation.
What maintenance is required for an auto-start generator?
Routine maintenance includes oil changes, air filter replacements, and inspecting spark plugs, similar to car maintenance. Regular testing of the auto start function is also important—many models have a self-test mode. Keeping the generator clean and ensuring fuel lines are clear helps maintain reliability. Professional servicing every 1-2 years extends the lifespan and guarantees readiness when needed.
How do I decide between portable and standby generators?
Portable units are generally more affordable and easier to move, but they require manual setup and may not power an entire home. Standby generators with auto start are permanently installed, offer seamless operation, and can support your whole house, but they come with higher upfront costs and installation complexity. Your choice depends on your budget, home size, and how critical continuous power is for your household.
Conclusion
For most homeowners seeking reliable, automatic backup power, the Westinghouse 28000 Peak Watt Portable Home Backup Generator offers outstanding capacity and auto start reliability, making it the best overall choice. Budget-conscious buyers or those with smaller homes may prefer the WEN 4,750-Watt Dual Fuel Portable Generator for affordability and portability. If you prioritize ease of use and seamless operation, the Westinghouse 9500 Peak Watt Home Backup Generator strikes a good balance, suitable for those new to generators. For large homes or critical facilities, investing in a premium, permanently installed model with advanced auto start and transfer switches is advisable. Ultimately, your decision should align with your home size, budget, and power needs.
