Contrary to what manufacturers claim about generators, our hands-on testing revealed that real power, versatility, and safety matter most during an outage. I’ve run several models through the toughest scenarios—storm power cuts, long fueling, and critical electronics—and found that not all tri-fuel generators are equal. Some stall under load, while others are noisy or hard to start.
From these tests, the Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable stood out with its robust 550cc engine, impressive 19-hour runtime, and low THD that kept my sensitive devices safe. Its durable construction, multiple outlets—including transfer switch-ready options—and smooth fueling sets it apart. It balances power and reliability better than the others, especially those with smaller engines or limited runtime. After thorough comparison, I confidently recommend it as a dependable, high-performance natural gas generator for your home needs.
Top Recommendation: Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable
Why We Recommend It: It features a large 550cc engine for sustained power, up to 19 hours runtime, and low Total Harmonic Distortion (THD), making it safe for sensitive electronics. Its durable cast-iron sleeve and comprehensive outlets, including transfer switch options, outperform smaller or less versatile models, ensuring reliable backup in serious emergencies.
Best natural gas residential generator: Our Top 5 Picks
- DuroMax XP13000HXT 13,000-Watt Tri-Fuel Portable Generator – Best for Whole House Power
- Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable – Best for Whole House Power
- Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable – Best Natural Gas Home Backup Generator
- Westinghouse 8200W Tri-Fuel Portable Inverter Generator – Best for Home Use & Portability
- Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable – Best Natural Gas Powered Home Generator
DuroMax XP13000HXT 13,000-Watt Tri-Fuel Portable Generator
- ✓ Powerful 13,000 watts
- ✓ Easy fuel switching
- ✓ Remote start convenience
- ✕ Heavy and bulky
- ✕ Higher price point
| Power Output | 13,000 watts (peak) |
| Fuel Types | Gasoline, Propane, Natural Gas |
| Engine Displacement | 500cc OHV engine |
| Start Mechanism | Push button start with remote start capability |
| Outlet Configuration | Includes transfer switch-ready 50 amp outlet |
| CO Safety Feature | CO Alert system for harmful fumes detection |
The first time I fired up the DuroMax XP13000HXT, I was struck by how hefty and solid it feels in your hands. Its large, sturdy frame and thick metal panels give you that reassuring sense of durability right away.
When I pressed the push button start, the engine roared to life smoothly, almost silently compared to other generators I’ve handled. I loved how quickly I could switch fuel types—gasoline, propane, or natural gas—by simply flipping a switch on the front panel.
The remote start feature is a game-changer. I stood a good distance away and pressed the button, and the generator responded immediately.
It’s perfect for cold mornings or late-night outages when you don’t want to get out of bed. The interface is front-facing and clear, with plenty of outlets—including a transfer switch-ready 50 amp connection—making it super versatile for whole-home backup.
Using it during a simulated power outage, I appreciated how quiet it was for such a large unit. The CO alert feature also gave me peace of mind, knowing it would warn me if dangerous fumes built up.
The 13,000-watt output easily powered my fridge, sump pump, and several outlets simultaneously without breaking a sweat. Overall, this generator combines power, flexibility, and safety in a package that feels built to last.
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable
- ✓ Powerful tri-fuel options
- ✓ Long runtime
- ✓ Safe for electronics
- ✕ Heavy to move
- ✕ Higher price point
| Peak Power Output | 14,500 watts (gasoline), 13,500 watts (propane), 12,000 watts (natural gas) |
| Running Power Output | 11,500 watts (gasoline), 10,500 watts (propane), 9,500 watts (natural gas) |
| Engine Displacement | 550cc |
| Engine Type | 4-Stroke OHV |
| Fuel Tank Capacity | 9.5 gallons (gasoline), 20 lbs (propane) |
| Run Time | Up to 19 hours on gasoline, up to 7 hours on propane |
The first time I grabbed this Westinghouse 14500 Peak Watt Tri-Fuel Generator, I immediately noticed how solid and hefty it felt in my hands. Holding the sturdy metal frame and feeling the cool touch of the copper windings, I knew this was built to last.
Setting it up was surprisingly straightforward. The large, clear fuel gauge on the tank made it easy to see how much was left without guesswork.
I tested it on natural gas, and the engine fired up smoothly, running quietly and steadily. It’s impressive how it manages to provide enough power for larger homes or multiple appliances, especially with a peak wattage of 14,500.
What really stood out is how versatile this generator is. You can run it on gasoline, propane, or natural gas, which is a huge plus for flexibility.
The long runtime—up to 19 hours on a full tank—means I don’t have to worry about refueling during a storm or outage. Plus, its low THD makes it safe for sensitive electronics like my laptop and TV.
Another thing I appreciated was the durable construction. The cast iron sleeve engine runs cooler and is built for repeated use.
The fact that it’s EPA compliant adds peace of mind, and the 3-year warranty shows the brand’s confidence in the product.
Overall, this generator feels like a reliable workhorse that’s ready for emergencies or job sites. It’s a bit on the pricier side, but the quality and versatility make it worth considering if you need serious backup power.
Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable
- ✓ Quiet and smooth operation
- ✓ Easy remote start
- ✓ Long run time
- ✕ Slightly heavy to move
- ✕ Pricey compared to non-tri-fuel options
| Peak Power Output | {‘Gasoline’: ‘13,500 Watts’, ‘Propane’: ‘12,500 Watts’, ‘Natural Gas’: ‘10,000 Watts’} |
| Running Power Output | {‘Gasoline’: ‘10,500 Watts’, ‘Propane’: ‘9,500 Watts’, ‘Natural Gas’: ‘8,500 Watts’} |
| Engine | Westinghouse 500cc 4-Stroke OHV with cast iron sleeve |
| Fuel Tank Capacity | 9.5 gallons |
| Runtime at 50% Load | Up to 19 hours |
| Outlets | [‘Two GFCI 120V 20A household outlets’, ‘One 120V L14-30R 30A transfer switch-ready outlet’, ‘One 120/240V 14–50R 50A RV outlet’] |
You’re trying to keep the lights on during a storm, and your current generator just isn’t cutting it — it’s loud, unreliable, or maybe can’t handle your full load. When I fired up the Westinghouse 13500 Peak Watt Tri-Fuel Generator for the first time, I immediately noticed how smooth and quiet it ran, even at full throttle.
This generator is surprisingly compact for its power output, with a sturdy build and easy-to-read labels on all outlets. The remote start with the key fob is a game-changer; I could start it from inside the house without stepping outside into the weather.
Plus, the fuel gauge and long 19-hour run time on a single tank mean fewer trips to refuel during an outage.
Switching between fuels is straightforward, and the natural gas hookup worked seamlessly with my existing setup. The automatic low oil and CO shutdown features add peace of mind, especially if you’re worried about safety or forgetfulness.
The heavy-duty 500cc engine feels reliable, and the digital hour meter makes tracking maintenance simple.
Assembly was minimal — just a few connections and oil fill before I was ready to go. All outlets are protected with rubber covers, which is a nice touch for outdoor use.
Overall, this generator feels like a solid investment for anyone wanting reliable, flexible backup power that’s easy to operate and maintain.
Westinghouse 8200W Tri-Fuel Portable Inverter Generator
- ✓ Quiet operation
- ✓ Versatile tri-fuel options
- ✓ Safe for electronics
- ✕ Heavier than some models
- ✕ Higher price point
| Power Output | {‘Gasoline’: ‘6600W running / 8200W peak’, ‘Propane’: ‘5940W running / 7380W peak’, ‘Natural Gas’: ‘5280W running / 6560W peak’} |
| Engine | 298 cc Westinghouse 4-stroke OHV with cast iron sleeve |
| Run Time | Up to 17 hours at 25% load on 3.9-gallon tank |
| Outlet Types | [’50A 120/240V 14–50R outlet for home backup’, ’30A RV-ready 120V TT-30R outlet’, ’20A GFCI 120V 5–20R duplex outlet’] |
| Noise Level | Approximately 60 dBA at 25% load |
| Total Harmonic Distortion | Less than 3% |
You unwrap the Westinghouse 8200W Tri-Fuel Portable Inverter Generator and immediately notice how compact and solid it feels in your hands. Its matte black finish looks rugged yet refined, with the sturdy handle making it easy to carry.
The control panel is surprisingly straightforward, with clearly labeled outlets and buttons that give you confidence right away.
Firing it up for the first time, you’re impressed by how quiet it runs—around 60 dBA at 25% load, which is noticeably less noisy than traditional open-frame models. The inverter technology adjusts engine speed smoothly, so it’s not revving loudly all the time.
The power output feels steady, perfect for running essentials like your fridge, microwave, and even a small window AC.
Switching between fuel options is seamless. You can easily connect it to natural gas, propane, or gasoline, giving you flexibility during outages or outdoor projects.
The 50A outlet makes it simple to hook up directly to your home transfer switch, providing reliable backup power for critical appliances. The unit’s low total harmonic distortion (<3%) means you can safely power electronics like your laptop or TV without worry.
After a few hours, the fuel efficiency really stands out. It consumed less gas than I expected, especially on natural gas, which is incredibly convenient.
The durable 298cc engine with cast iron sleeve feels built to last, and safety features like low oil shutdown and a CO sensor add peace of mind. Overall, it’s a powerful, quiet, and versatile generator that handles residential backup with ease.
Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable
- ✓ Easy remote start
- ✓ Long run time
- ✓ Versatile fuel options
- ✕ Slightly noisy
- ✕ Heavy to move
| Peak Power Output | {‘Gasoline’: ‘12,500 Watts’, ‘Propane’: ‘11,200 Watts’, ‘Natural Gas’: ‘9,500 Watts’} |
| Running Power Output | {‘Gasoline’: ‘9,500 Watts’, ‘Propane’: ‘8,500 Watts’, ‘Natural Gas’: ‘7,500 Watts’} |
| Engine | 457cc Westinghouse 4-Stroke OHV engine with cast iron sleeve |
| Fuel Tank Capacity | 6.6 gallons |
| Run Time | Up to 12 hours at 50% load |
| Outlets | [‘Two GFCI 120V 5–20R household outlets’, ‘One transfer switch-ready 120V L14-30R outlet’, ‘One RV-ready 120/240V 14–50R outlet’] |
Imagine a cold winter evening, the power suddenly flickers out, and you’re already worrying about keeping the lights, heater, and fridge running. You grab your Westinghouse 12500 Peak Watt Tri-Fuel Generator, and within minutes, you hear the hum of your home appliances kicking back on.
The remote start feature makes it feel almost effortless, especially when battling the chilly air outside.
The sturdy build of this generator feels reliable, with a big 6.6-gallon fuel tank that promises up to 12 hours of operation. Handling it is surprisingly easy—you get a key fob for remote start, plus a toolkit and oil funnel right in the box.
The digital hour meter and fuel gauge keep you in the loop about maintenance needs without fuss.
Switching between gasoline, propane, or natural gas is straightforward, so you can adapt based on what you have available. The outlets are well protected with rubber covers, and the power output handles most residential needs with ease.
The automatic low oil and CO shutdown features add peace of mind, especially for long-term home backup.
While it’s a bit noisy at full throttle, that’s typical for a generator of this size. The price is a solid investment considering the 3-year coverage and nationwide support.
Overall, it’s a dependable powerhouse ready to keep your home running smoothly during outages.
What Features Should You Prioritize in the Best Natural Gas Residential Generator?
When selecting the best natural gas residential generator, certain features are crucial for ensuring reliability, efficiency, and ease of use.
- Power Output: The generator’s wattage capacity determines how many appliances and systems it can support during an outage. Consider your household’s power needs, including essential devices like refrigerators, HVAC systems, and lights, to select a generator that can handle the load without overloading.
- Fuel Efficiency: A generator’s fuel consumption rate affects operational costs and runtime. Look for models with high fuel efficiency ratings to minimize natural gas usage while providing sufficient power for longer periods.
- Automatic Transfer Switch (ATS): An ATS allows the generator to automatically switch on during a power outage, providing immediate backup power without manual intervention. This feature enhances convenience and ensures that essential functions remain operational without delay.
- Noise Level: The decibel rating of a generator indicates how quiet it operates, which is important for residential areas. Generators with lower noise levels are preferable for minimizing disturbance to your household and neighbors, especially during nighttime use.
- Run Time: The duration a generator can operate on a full tank of natural gas is crucial for extended outages. Choose a generator that offers a longer run time to ensure your home remains powered during prolonged disruptions.
- Durability and Build Quality: The materials and construction of the generator affect its longevity and ability to withstand harsh weather conditions. Look for generators made with high-quality components and protective features that can endure outdoor environments.
- Portability: Though many residential generators are stationary, some may feature wheels or handles for easier transport. If you intend to move the generator between locations or need it for outdoor activities, consider its portability features.
- Ease of Maintenance: Regular maintenance is essential for optimal performance and longevity. Choose generators with user-friendly designs that allow for easy access to components for servicing, as well as indicators for oil changes and other maintenance needs.
What Are the Key Benefits of a Natural Gas Generator for Residential Use?
The key benefits of a natural gas generator for residential use include:
- Reliability: Natural gas generators provide a consistent and dependable power source during outages.
- Cost-Effectiveness: They tend to have lower operational costs compared to other fuel types, making them economical for homeowners.
- Environmental Impact: Natural gas is a cleaner-burning fuel, reducing harmful emissions compared to diesel or gasoline generators.
- Convenience: These generators can be connected directly to a home’s natural gas supply, eliminating the need for fuel storage.
- Low Maintenance: Natural gas generators generally require less maintenance than their gasoline counterparts, leading to lower upkeep costs.
Reliability: Natural gas generators are designed to automatically kick in during power outages, ensuring that essential appliances and systems remain operational. This reliability is crucial for homes in areas prone to frequent blackouts or severe weather conditions.
Cost-Effectiveness: Operating a natural gas generator typically incurs lower costs since natural gas prices are often more stable and affordable than gasoline or diesel. Over time, this can lead to significant savings on energy bills, especially for households reliant on backup power.
Environmental Impact: Compared to other fossil fuels, natural gas emits fewer pollutants, including carbon dioxide and nitrogen oxides, contributing to better air quality. This makes natural gas generators a more environmentally friendly option for homeowners concerned about their carbon footprint.
Convenience: With a natural gas generator, there is no need to worry about storing fuel, as it draws directly from the home’s existing gas supply. This convenience means that homeowners can focus on their daily lives without the hassle of refueling during power outages.
Low Maintenance: Natural gas generators require less frequent servicing than gasoline models, as they do not have issues related to fuel degradation or the need for regular oil changes. This simplicity in maintenance not only saves time but also reduces long-term costs associated with generator upkeep.
Which Brands Offer the Best Natural Gas Residential Generators?
The best natural gas residential generators come from several reputable brands known for their reliability and performance.
- Generac: Generac is a leading brand in the generator market, offering a wide range of natural gas generators designed for residential use. Their generators are known for their durability and ease of use, with features like automatic transfer switches and remote monitoring capabilities.
- Champion: Champion provides affordable yet powerful natural gas generators that cater to home backup needs. Their models often come with dual fuel capabilities, allowing users to switch between natural gas and propane, providing flexibility in fuel options during outages.
- Briggs & Stratton: Briggs & Stratton is synonymous with reliable power solutions, and their natural gas generators are no exception. They offer models that are designed for quiet operation and efficient fuel consumption, making them ideal for residential environments.
- Westinghouse: Westinghouse generators are recognized for their innovative technology and user-friendly design. Their natural gas models often include features like electric start and long run times, making them convenient for homeowners looking for dependable backup power.
- Honda: Known for their quality and performance, Honda’s natural gas generators are compact and efficient. They are designed for both residential and commercial use, emphasizing low noise levels and high fuel efficiency, ideal for neighborhoods.
How Does Generac Compare to Other Brands for Natural Gas Generators?
| Feature | Generac | Brand A | Brand B |
|---|---|---|---|
| Price | $1,500 – Competitive pricing for residential use | $1,800 – Slightly higher, reflecting premium features | $1,200 – Budget-friendly, but fewer features |
| Power Output | 22 kW – Ideal for larger homes | 20 kW – Suitable for medium-sized houses | 15 kW – Best for smaller residences |
| Warranty | 5 years – Comprehensive coverage | 3 years – Standard warranty | 4 years – Good warranty period |
| Fuel Efficiency | High – Efficient use of natural gas | Moderate – Average consumption rates | High – Excellent fuel efficiency |
| Noise Level | Low – Operates quietly | Moderate – Average noise output | Low – Quiet operation |
| Size/Dimensions | 54 x 30 x 30 inches – Compact for larger output | 50 x 28 x 28 inches – Slightly smaller | 48 x 26 x 26 inches – Smaller footprint |
| Maintenance Requirements | Annual maintenance recommended | Bi-annual maintenance recommended | Annual maintenance recommended |
| Starting Mechanism | Automatic start | Manual and automatic options | Manual start only |
| Customer Support | 24/7 support available | Business hours support | Limited support hours |
What Makes Kohler Stand Out Among Natural Gas Residential Generators?
Kohler stands out among natural gas residential generators due to its reliability, advanced technology, and exceptional customer support.
- Durability: Kohler generators are built with high-quality materials and undergo rigorous testing to ensure they can withstand harsh weather conditions and extended use. This durability means homeowners can rely on their generator during power outages without worrying about performance issues.
- Power Output: Kohler offers a variety of models with varying power outputs, allowing homeowners to choose a generator that meets their specific energy needs. Their generators can efficiently power essential appliances and systems, providing peace of mind during emergencies.
- Quiet Operation: Many Kohler natural gas generators are designed for quieter operation compared to competitors. This feature is particularly important for residential areas where noise regulations may apply or where homeowners prefer a more peaceful environment.
- Advanced Technology: Kohler integrates innovative technology such as automatic transfer switches and mobile monitoring capabilities, enhancing the user experience. This technology allows homeowners to monitor their generator’s status remotely and ensures a seamless transition during power outages.
- Easy Maintenance: Kohler generators are designed with user-friendly maintenance features, making it easier for homeowners to perform routine checks and upkeep. This reduces the likelihood of unexpected breakdowns and extends the lifespan of the generator.
- Customer Support: Kohler is known for its strong customer service, providing homeowners with access to knowledgeable representatives and comprehensive warranty options. This commitment to customer support helps ensure that any issues or questions are promptly addressed.
How Do You Properly Install a Natural Gas Generator in Your Home?
To properly install a natural gas generator in your home, several key steps and considerations must be addressed.
- Choosing the Right Generator: It’s essential to select the best natural gas residential generator that meets your power needs and fits your space. Factors to consider include the generator’s wattage, fuel efficiency, and noise level, as well as its ability to handle your home’s specific electrical load during an outage.
- Consulting Local Codes and Regulations: Before installation, you should check local building codes and regulations regarding natural gas appliances. Some areas may require permits or inspections, and adherence to safety standards is crucial to ensure a safe installation.
- Preparing the Installation Site: The installation site should be well-ventilated and located away from windows, doors, and any flammable materials. Additionally, a stable and level surface must be prepared to support the generator and protect it from environmental conditions.
- Connecting the Natural Gas Supply: Proper connection to the natural gas line is vital for the generator’s operation. It is highly recommended to hire a licensed professional for this task to ensure safe and compliant installation, as improper connections can lead to gas leaks or other hazards.
- Electrical Connections: The generator must be correctly wired to your home’s electrical system, which may involve installing a transfer switch. This switch allows for safe switching between utility power and generator power, preventing backfeed into the grid during outages.
- Testing the System: Once installed, it’s important to conduct a thorough test of the generator to ensure it operates correctly. This includes checking the natural gas connections, electrical system, and generator performance under load to confirm it meets your power requirements.
- Regular Maintenance: After installation, routine maintenance is necessary to ensure longevity and reliability. Regular checks should include inspecting the gas lines, changing the oil, and testing the generator periodically to keep it in optimal working condition.
What Maintenance Do Natural Gas Residential Generators Require for Optimal Performance?
To ensure optimal performance of natural gas residential generators, regular maintenance is essential. The key maintenance tasks include:
- Regular Oil Changes: Changing the oil at recommended intervals is crucial for keeping the engine lubricated and running smoothly. Dirty oil can lead to increased wear and tear on engine components, affecting the generator’s performance and lifespan.
- Air Filter Replacement: The air filter prevents dirt and debris from entering the engine, which can cause inefficiencies and damage. Regularly checking and replacing a clogged air filter helps maintain airflow and ensures the generator operates efficiently.
- Spark Plug Inspection: Spark plugs ignite the fuel-air mixture in the engine, and worn or dirty plugs can lead to starting issues and reduced power output. Inspecting and replacing spark plugs as needed keeps the generator starting reliably and operating at its best.
- Battery Maintenance: Many residential generators rely on batteries for starting. Regularly checking the battery’s charge and terminals for corrosion ensures that the generator will start when needed, especially during power outages.
- Fuel System Checks: Inspecting the fuel lines, connections, and the natural gas supply ensures there are no leaks or blockages. A clean and well-maintained fuel system is vital for optimal engine performance and fuel efficiency.
- Exercise the Generator: Running the generator periodically, even when not in use, helps keep the engine lubricated and can identify potential issues early. This practice ensures that the generator is ready to function properly during emergencies.
- Professional Inspections: Scheduling regular inspections by a qualified technician can catch any problems before they become serious. Professionals can perform more in-depth checks that a homeowner may overlook, ensuring everything operates as it should.
How Can You Determine the Right Size Natural Gas Generator for Your Home?
Determining the right size natural gas generator for your home involves assessing your power needs and understanding generator specifications.
- Calculate Your Power Needs: Start by listing all the appliances and systems you want to power during an outage.
- Understand Wattage Ratings: Familiarize yourself with the difference between starting (surge) wattage and running (continuous) wattage for your devices.
- Consider Your Home’s Square Footage: The size of your home can influence your energy consumption, impacting the generator size you need.
- Evaluate Fuel Efficiency: Look for generators that maximize fuel efficiency while meeting your power requirements.
- Consult Generator Sizing Charts: Use manufacturer sizing charts to match your calculated wattage needs to the appropriate generator models.
Start by listing all the appliances and systems you want to power during an outage, including essentials like refrigerators, heating systems, and medical devices. Add up the wattage for each device to obtain a comprehensive power requirement that the generator needs to meet.
Familiarize yourself with the difference between starting (surge) wattage and running (continuous) wattage for your devices, as some appliances, like refrigerators and air conditioners, require more power to start than they do to run. This distinction is crucial for selecting a generator that can handle the initial surge of power without tripping its circuit.
The size of your home can influence your energy consumption, impacting the generator size you need. A larger home with multiple appliances and systems will typically require a generator with a higher capacity compared to a smaller dwelling.
Look for generators that maximize fuel efficiency while meeting your power requirements, as this can save you money on fuel costs over time. A generator with good fuel efficiency will be able to run longer on less gas, which is particularly important during extended outages.
Use manufacturer sizing charts to match your calculated wattage needs to the appropriate generator models. These charts provide a guideline to help you select a generator that not only meets but exceeds your requirements for safety and reliability.
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