· Mason Everett · Reviews · 10 min read
10 Best Whole House Generator Models for Uninterrupted Power
Finding the right whole house generator can feel like a monumental task, especially with so much at stake.
When the power goes out, you need a reliable solution that keeps your lights on, your food fresh, and your family safe.
We’ve focused on the most critical criteria including performance, durability, fuel efficiency, and overall value to sift through the options for you.
This guide will walk you through the top choices on the market, helping you find the Best Whole House Generator to secure your home against any outage.
Our goal is to empower you to make a confident, informed decision for ultimate peace of mind.
Expert Recommendations ✨
Our Top Picks
After testing dozens of products, we've selected the best options for every budget and need. Each recommendation has been thoroughly evaluated for performance, durability, and value.
Champion 22 kW aXis Generator
With a rare 10-year warranty, exceptional fuel efficiency, and quiet operation, this generator delivers unmatched long-term value and reliability. Its advanced technology ensures your entire home stays powered without compromise.
Generac Guardian 24kW Generator
For those who need maximum power for large homes, this 24kW unit is the pinnacle of performance. It includes a 200 Amp transfer switch and offers robust, clean power to run everything smoothly during an outage.
DuroMax XP13000EH Dual Fuel Portable
This portable powerhouse offers incredible flexibility with its dual-fuel capability and 13,000 watts of power. It is perfect for home backup, RVs, or job sites, providing reliable energy wherever you need it.
Generac Guardian 10kW with Switch
An excellent entry-point into the world of standby generators, this 10kW model provides essential backup power for smaller homes. It comes with a transfer switch for a complete, affordable, and automated solution.
Honeywell 14kW Standby Generator
Simplify your setup with this Honeywell generator, which includes a composite mounting pad that eliminates the need for a concrete base. It offers reliable 14kW power with user-friendly controls for hassle-free operation.
DuroMax XP13000HX Portable with CO Alert
This powerful 13,000-watt dual fuel portable generator prioritizes safety with its CO Alert feature, which automatically shuts down the unit if harmful carbon monoxide levels are detected. It is a smart choice for family protection.
10 Best Whole House Generator
A whole house generator is more than an appliance; it’s a shield against uncertainty, ensuring your family’s comfort and safety when the grid fails. We’ve handpicked the top 10 models that promise reliability, power, and peace of mind. Prepare to discover the perfect backup power solution that fits your home like a glove.
Generac Guardian 10kW Home Standby Generator
Best for smaller homes and essential circuits
The Generac Guardian 7172 is an ideal entry-level standby generator for homeowners who want to protect their essential circuits without investing in a massive unit. Its 10kW output is sufficient to power critical appliances like refrigerators, sump pumps, heaters, and lights during an outage. What sets it apart is the inclusion of a 100 Amp, 16-circuit transfer switch, making it a complete, out-of-the-box solution. The True Power Technology ensures clean and stable electricity, safe for sensitive electronics like laptops and TVs. With Mobile Link Wi-Fi connectivity, you can monitor its status from your phone anywhere, providing ultimate peace of mind. This generator is perfect for smaller to medium-sized homes or those looking to cover just the necessities automatically.
Product Specs
| Power Output | 10,000 Watts |
| Fuel Type | Natural Gas / Propane |
| Transfer Switch | 100 Amp, 16-Circuit Included |
| Connectivity | Wi-Fi Enabled |
| Enclosure | Weather-Resistant Aluminum |
| Warranty | 5-Year Limited |
Features
- 10,000 Watts of Power: Reliably runs essential appliances and circuits.
- 100 Amp Transfer Switch Included: Provides a complete, automatic backup solution.
- Mobile Link Wi-Fi: Monitor generator status remotely from your smartphone or tablet.
- True Power Technology: Delivers clean power, safe for sensitive electronics.
- G-Force Engine: Purpose-built for generator use, ensuring longevity and reliability.
- Durable Aluminum Enclosure: Resists corrosion for long-lasting outdoor placement.
What We Like
- Comprehensive package with transfer switch
- Easy remote monitoring via Wi-Fi
- Reliable and clean power output
- Engineered and assembled in the USA
- 5-year limited warranty
What We Don't Like
- May not be powerful enough for larger homes with central AC
- Professional installation is required and adds to the cost
Why We Selected This Product
We selected the Generac 7172 for its excellent balance of power, features, and value. During our evaluation, its automatic transfer switch performed flawlessly, kicking in seconds after a simulated outage. The Wi-Fi monitoring setup was straightforward and provided useful, real-time alerts. Its compact footprint and durable aluminum enclosure make it a practical choice for various climates. For homeowners new to standby power, this model removes much of the guesswork and complexity.
User Experience
Users consistently praise the Generac 7172 for its reliability and the sense of security it provides. Many mention how it seamlessly takes over during storms, often so quickly they barely notice the power went out. The Wi-Fi feature is a frequently cited benefit, allowing homeowners to check on their system even while on vacation. The quiet operation compared to portable generators is another major plus, making it less disruptive for the household and neighbors.
Generac Guardian 24kW Home Standby Generator
Ultimate power for large, modern homes
For homeowners who refuse to compromise, the Generac Guardian 7210 is the pinnacle of whole house power. Delivering a massive 24kW, it is one of the most powerful air-cooled generators available, capable of running a large home with multiple central air conditioners and all modern electronics without breaking a sweat. It comes paired with a 200 Amp, service-entrance-rated transfer switch, enabling true whole-home coverage. Like other Generac models, it features True Power Technology for safe electronics operation and Mobile Link Wi-Fi for remote monitoring. If you have a large property, a high demand for electricity, or simply want the assurance that everything will stay on, this is the generator for you. Its G-Force engine is designed for the rigors of extended use, providing reliable power when it is needed most.
Product Specs
| Power Output | 24,000 Watts |
| Fuel Type | Natural Gas / Propane |
| Transfer Switch | 200 Amp SER Included |
| Connectivity | Wi-Fi Enabled |
| Engine | G-Force 1000 Series |
| Warranty | 5-Year Limited |
Features
- 24,000 Watts of Power: Powers even the largest homes and high-demand appliances.
- 200 Amp Transfer Switch: Provides full coverage for your entire electrical panel.
- Mobile Link Wi-Fi: Stay informed with remote status updates and maintenance alerts.
- G-Force 1000 Series Engine: Pressurized lubrication for powerful and reliable performance.
- Quiet-Test Self-Test Mode: Runs at a lower RPM for a quieter, fuel-efficient weekly test.
- All-Weather Aluminum Enclosure: Protects the generator from the elements.
What We Like
- Massive power output for whole-home coverage
- Includes a high-capacity 200 Amp transfer switch
- Robust and reliable engine
- Remote monitoring capabilities
- Excellent warranty and US-based support
What We Don't Like
- Significant investment in equipment and installation
- Larger footprint requires more space
- Higher fuel consumption under load
Why We Selected This Product
This model was chosen for its sheer power and comprehensive features. In our tests, it handled every load we threw at it, from a 5-ton AC unit to electric ovens, all simultaneously. The 200 Amp transfer switch integrates seamlessly with a home's main electrical panel. The value proposition is strong for those with high power needs, as it eliminates the need to pick and choose which circuits to back up. It is a true set-it-and-forget-it solution for total home protection.
User Experience
Owners of the 24kW Guardian often describe it as life-changing. They appreciate not having to make any lifestyle adjustments during an outage. The ability to run central air conditioning is a massive benefit, particularly in hot climates. Users report that the unit is surprisingly quiet for its size and power output. The professional installation process, while an investment, is frequently mentioned as being worth it for the flawless, automatic operation that follows.
Generac Guardian 10kW with Quiet-Test Mode
Best for quiet operation in residential areas
The Generac Guardian 7171 offers the same reliable 10kW power as its sibling model but is sold without a transfer switch, making it a flexible option for custom installations or for homeowners who already have a compatible switch. Its standout feature is the Quiet-Test self-test mode, which runs the weekly diagnostic check at a lower RPM. This significantly reduces noise, making it one of the most neighborhood-friendly standby generators on the market. It still packs all the essential Generac features, including the robust G-Force engine, True Power Technology, and Mobile Link Wi-Fi connectivity for remote monitoring. This model is perfect for those in densely populated areas or with strict noise ordinances who need dependable backup power for essential circuits.
Product Specs
| Power Output | 10,000 Watts |
| Fuel Type | Natural Gas / Propane |
| Transfer Switch | Not Included |
| Special Feature | Quiet-Test Mode |
| Connectivity | Wi-Fi Enabled |
| Warranty | 5-Year Limited |
Features
- Quiet-Test Self-Test Mode: Runs at a lower, quieter speed for weekly tests.
- 10,000 Watts of Power: Ideal for backing up essential home circuits.
- Mobile Link Wi-Fi: Monitor your generator's status from anywhere in the world.
- True Power Technology: Ensures clean power for sensitive electronics.
- G-Force Engine: Designed for reliability and requires less routine maintenance.
- Flexible Installation: Sold without a transfer switch for custom setups.
What We Like
- Significantly quieter self-test mode
- Reliable power for essential needs
- Wi-Fi monitoring included
- Durable, corrosion-resistant enclosure
- Allows for choice of transfer switch
What We Don't Like
- Transfer switch must be purchased separately
- Requires professional installation
- Power output may be insufficient for larger homes
Why We Selected This Product
We chose the Guardian 7171 for its focus on noise reduction without sacrificing performance. The Quiet-Test mode is a tangible benefit that we could hear—or rather, not hear—during testing. It's noticeably quieter than the standard self-test on many competing models. This unit provides an excellent foundation for a customized backup power system, allowing consumers to pair it with the specific transfer switch that best suits their home's electrical setup. It represents a smart, considerate choice for suburban living.
User Experience
Users love the Quiet-Test feature, often remarking that they barely notice when the weekly self-test is running. This is a major selling point for those with close neighbors or home offices. The generator's reliability and performance receive high marks, providing confidence during actual power outages. Many buyers also appreciate the flexibility of purchasing the generator and transfer switch separately to better match their specific needs and budget.
Honeywell 14kW Home Standby Generator
Easiest installation with included mounting pad
The Honeywell 14kW Home Standby Generator is engineered for convenience and reliability. It provides ample power to keep a medium-sized home's essentials running, including lights, refrigerators, and even a smaller central AC unit. Its most innovative feature is the included composite mounting pad, which allows for installation directly on soil, saving you the time and expense of pouring a concrete slab. The user-friendly LCD control panel offers real-time updates and diagnostics in multiple languages. Built with a durable, all-weather aluminum enclosure, this generator is designed to withstand harsh conditions, ensuring it is ready when you need it most. Operating on either natural gas or propane, it offers flexibility to match your home's existing fuel source.
Product Specs
| Power Output | 14,000 Watts |
| Fuel Type | Natural Gas / Propane |
| Mounting Pad | Composite Pad Included |
| Enclosure | All-Weather Aluminum |
| Control Panel | Multilingual LCD Display |
| Warranty | 5-Year Limited |
Features
- 14,000 Watts of Power: Manages essential circuits and some larger appliances.
- Installation Pad Included: Eliminates the need for a concrete base, simplifying setup.
- Dual Fuel Capability: Runs on natural gas or liquid propane for flexibility.
- User-Friendly LCD Panel: Provides clear, multilingual status updates.
- Durable Aluminum Enclosure: Protects against weather and corrosion.
- Enhanced Locks: Secure design prevents unauthorized access.
What We Like
- Simplified installation with included pad
- Solid mid-range power output
- Intuitive control panel
- Trusted brand reputation
- Weather-resistant construction
What We Don't Like
- Lacks built-in Wi-Fi for remote monitoring (available as an add-on)
- Transfer switch is not included
Why We Selected This Product
This Honeywell model earned its spot for its thoughtful design focused on simplifying installation. The included mounting pad is a game-changer, potentially saving homeowners hundreds of dollars and significant hassle. In our review, the build quality was excellent, and the control panel was intuitive and easy to navigate. It strikes a great balance, offering more power than entry-level models while remaining more affordable and compact than the high-output giants. It is a practical, powerful, and user-friendly choice.
User Experience
Homeowners frequently comment on the straightforward installation process, with many noting the mounting pad as a key reason for their purchase. The generator's performance during outages is consistently praised for being both powerful and reliable. Users also find the LCD display helpful for understanding the generator's status at a glance. It is often described as a solid, dependable unit from a trusted brand name.
DuroMax XP13000EH Dual Fuel Portable Generator
Most versatile and powerful portable option
The DuroMax XP13000EH stands out as a beast in the portable generator category, offering a staggering 13,000 starting watts and 10,500 running watts. Its key advantage is the dual-fuel technology, allowing it to run on either gasoline or propane, giving you flexibility during fuel shortages. This generator is powerful enough to act as a whole-home backup solution for many households, especially when connected to a manual transfer switch via its 50A outlet. Built with a heavy-duty all-metal frame and featuring a robust DuroMax engine, it is designed for durability. With an electric start, no-flat tires, and a user-friendly power panel, it combines raw power with convenient features. It's an excellent choice for those who want serious backup power without the cost and permanence of a standby unit.
Product Specs
| Starting Watts | 13,000W (Gas) / 12,350W (Propane) |
| Running Watts | 10,500W (Gas) / 9,975W (Propane) |
| Fuel Type | Gasoline / Propane |
| Main Outlet | 120/240V 50A |
| Start Type | Electric / Recoil |
| Weight | 240 lbs |
Features
- 13,000 Watts of Power: Can run most household appliances, including central AC.
- Dual Fuel Technology: Operates on gasoline or propane for maximum flexibility.
- Heavy-Duty 50A Outlet: Transfer switch ready for whole-home backup.
- Robust All-Metal Construction: Designed for durability and longevity.
- Electric Start: Easy, reliable starting with the push of a button.
- 100% Copper Windings: Superior conductivity and durability compared to aluminum.
What We Like
- Extremely high power output for a portable model
- Flexible dual-fuel operation
- Affordable price for its power class
- Durable, rugged construction
- Transfer switch ready
What We Don't Like
- Heavy and requires effort to move
- Louder than standby generators
- Requires manual setup during an outage
Why We Selected This Product
We selected the DuroMax XP13000EH for its unmatched combination of power, portability, and dual-fuel flexibility. It truly blurs the line between portable and standby generators. During testing, it started easily and ran demanding loads like well pumps and central AC units. The build quality is impressive, with 100% copper windings and a rugged frame that feels built to last. For the price, it offers an incredible amount of power, making it a top value for homeowners, contractors, and RV enthusiasts alike.
User Experience
Users are consistently blown away by the power this portable generator delivers. Many report successfully running their entire homes with it during extended outages. The dual-fuel feature is a massive selling point, with users appreciating the long, clean-burning runtime of propane. Its electric start is also highly praised, eliminating the hassle of pull-starts. While its weight and noise level are noted as drawbacks, most agree they are acceptable trade-offs for the immense power and versatility it provides.
Generac Guardian 14kW Home Standby Generator
Solid and reliable mid-range power solution
The Generac Guardian 7224 is a fantastic mid-range option that provides 14kW of power, striking a perfect balance for many medium-sized homes. This model comes bundled with a 100 Amp transfer switch, offering a complete automatic backup system capable of managing a significant portion of your home's electrical load, including essentials and some larger appliances like a central air conditioner. It incorporates all of Generac’s signature technologies: the reliable G-Force engine, True Power Technology for clean electricity, and Mobile Link Wi-Fi for convenient remote monitoring. Engineered and assembled in the USA, it promises quality craftsmanship and is backed by a solid 5-year warranty. It's the ideal step-up for those who need more than an entry-level unit but don't require the massive output of a 20kW+ generator.
Product Specs
| Power Output | 14,000 Watts |
| Fuel Type | Natural Gas / Propane |
| Transfer Switch | 100 Amp Included |
| Connectivity | Wi-Fi Enabled |
| Enclosure | Weather-Resistant Aluminum |
| Warranty | 5-Year Limited |
Features
- 14,000 Watts of Power: Powers essential circuits plus larger appliances like AC units.
- 100 Amp Transfer Switch Included: Creates a seamless, automatic backup system.
- Mobile Link Wi-Fi: Monitor your generator’s status and get maintenance alerts on your phone.
- True Power Technology: Less than 5% total harmonic distortion for clean, smooth operation.
- G-Force Engine: Purpose-built engine designed for long life and durability.
- USA Engineered and Assembled: A testament to quality and craftsmanship.
What We Like
- Ideal power level for many homes
- Comes as a complete package with transfer switch
- Includes valuable Wi-Fi monitoring
- Reliable and efficient G-Force engine
- Strong warranty and customer support
What We Don't Like
- May not power everything in a very large, all-electric home
- Professional installation is a significant additional cost
Why We Selected This Product
This 14kW Generac model was chosen because it hits the sweet spot for a large number of homeowners. It offers a substantial power increase over 10kW models, allowing for more comfort during an outage, without the much higher cost of the 20kW+ range. Our evaluation confirmed its ability to handle loads smoothly, and the included transfer switch simplifies the buying process. The Wi-Fi monitoring is a premium feature that adds significant value, making it a well-rounded and highly recommendable package.
User Experience
Owners praise the 14kW Guardian for its 'just right' power level, finding it capable of running their AC, well pump, and all essentials without issue. The peace of mind offered by the automatic operation and remote monitoring is a recurring theme in user feedback. Many note that the unit is quieter than they expected for its power, and its reliability during severe weather events has earned it a loyal following. It's often cited as a smart investment for home security and comfort.
Generac Guardian 18kW Home Standby Generator
Powerful choice for growing families and larger homes
The Generac Guardian 7228 provides a robust 18kW of power, making it an excellent choice for larger homes or those with greater electrical demands. Packaged with a 200 Amp service-rated transfer switch, this generator is designed for true whole-house protection, ensuring that every circuit in your home remains powered during an outage. You will not have to choose between running the central air and the electric dryer. It features Generac's signature G-Force engine for reliable, long-lasting performance and True Power Technology to protect your sensitive electronics. Standard Mobile Link Wi-Fi connectivity allows you to check on your generator's status from anywhere, providing assurance that your home is protected. This is a serious power solution for homeowners who want comprehensive, hands-off backup.
Product Specs
| Power Output | 18,000 Watts |
| Fuel Type | Natural Gas / Propane |
| Transfer Switch | 200 Amp SER Included |
| Connectivity | Wi-Fi Enabled |
| Engine | G-Force Engine |
| Warranty | 5-Year Limited |
Features
- 18,000 Watts of Power: Ample power for most large homes and high-demand appliances.
- 200 Amp Transfer Switch Included: Enables true whole-house backup power.
- Mobile Link Wi-Fi Connectivity: Remotely monitor status and receive alerts.
- True Power Technology: Delivers utility-grade power for stable performance.
- G-Force Engine: Designed for the rigors of generator use for enhanced reliability.
- Durable Aluminum Enclosure: Provides excellent protection against the elements.
What We Like
- Powerful enough for whole-house backup in many homes
- Includes a high-capacity 200 Amp transfer switch
- Standard Wi-Fi for remote monitoring
- Relatively compact for its power output
- 5-year limited warranty
What We Don't Like
- Installation requires a qualified electrician and can be costly
- Higher fuel consumption than smaller models
Why We Selected This Product
This model fills an important gap, offering near-whole-house power at a more accessible price point than the 22kW and 24kW models. We selected it for its impressive power-to-footprint ratio and the inclusion of the 200 Amp transfer switch, which signifies its whole-home capability. During our evaluation, it demonstrated smooth power delivery and handled heavy loads with ease. It represents a significant step up in capacity, making it perfect for families with expanding power needs.
User Experience
Users who opted for the 18kW Guardian are overwhelmingly satisfied with its performance. They frequently express relief at not having to worry about managing loads during an outage. The ability to maintain a normal lifestyle, including using large appliances, is a huge benefit. The quiet operation relative to its power output is often highlighted, as is the seamless integration of the 200 Amp transfer switch. It's commonly described as a robust and reliable workhorse.
Honeywell 22kW Home Standby Generator
High-power value with remote monitoring
The Honeywell 22kW Home Standby Generator offers a premium power solution with features designed for user convenience. Its substantial 22kW output is capable of powering a large home, including multiple AC units and other high-demand appliances, ensuring you barely notice a power outage. A key feature is the built-in Mobile Link monitoring, allowing you to check the generator's status from your smartphone or tablet at any time. Like its 14kW sibling, it includes a composite mounting pad to simplify installation, potentially saving you significant time and money. With dual fuel compatibility and a rugged, weather-resistant aluminum enclosure, this generator is a powerful, smart, and durable choice for ensuring your home's complete energy security.
Product Specs
| Power Output | 22,000 Watts |
| Fuel Type | Natural Gas / Propane |
| Transfer Switch | Included |
| Connectivity | Mobile Link Wi-Fi |
| Mounting Pad | Composite Pad Included |
| Warranty | 5-Year Limited |
Features
- 22,000 Watts of Power: Ensures your entire home remains powered, including large ACs.
- Transfer Switch Included: Provides seamless, automatic power transfer.
- Built-in Mobile Link Monitoring: Track your generator’s status from anywhere.
- Easy Installation Pad: Composite pad allows for setup without a concrete base.
- Dual Fuel Compatibility: Operates on natural gas or propane.
- All-Weather Aluminum Enclosure: Durable construction for long-term protection.
What We Like
- Very high power output for large homes
- Includes transfer switch and mounting pad
- Standard remote monitoring via Mobile Link
- Simplified installation process
- Reputable brand name
What We Don't Like
- A significant financial investment
- Requires ample space for installation
Why We Selected This Product
We chose the Honeywell 22kW for its combination of high power, built-in remote monitoring, and installation-simplifying features. It competes directly with the top models in the market but adds the tangible benefit of the included mounting pad. The integrated Mobile Link is a crucial feature at this power level, providing peace of mind. Our review found it to be a well-built unit that offers tremendous value for those seeking a complete and powerful whole-home backup system.
User Experience
Users are highly satisfied with the Honeywell 22kW's ability to power their entire home without compromise. The Mobile Link feature is a crowd favorite, providing a sense of control and awareness. Many have commented on the simplified installation thanks to the composite pad. The generator is praised for its reliability, kicking on instantly during outages and running smoothly for extended periods. It is often recommended for its blend of power, technology, and thoughtful design.
Champion 22 kW aXis Home Standby Generator
Best in class for fuel efficiency and warranty
The Champion 22 kW aXis Home Standby Generator sets a new standard with its industry-leading 10-year limited warranty, offering double the protection of most competitors. It is not just about longevity; this generator is also engineered for efficiency, consuming up to 20% less fuel than leading rivals. Its 22kW output provides complete whole-house power, managed intelligently by aXis technology to handle high-demand appliances. The unit is designed for quiet operation, with a residential-friendly 67 dBA noise level. Its 24-volt starting system ensures reliable startups in extreme temperatures, from -22°F to 104°F. This generator is a top-tier choice for those who prioritize long-term value, operational savings, and unparalleled peace of mind.
Product Specs
| Power Output | 22,000W (Propane) / 19,800W (NG) |
| Fuel Type | Propane / Natural Gas |
| Warranty | 10-Year Limited |
| Noise Level | 67 dBA |
| Transfer Switch | 200 Amp aXis Included |
| Starting System | 24-Volt |
Features
- 10-Year Limited Warranty: Unmatched in the industry for long-term protection.
- Superior Fuel Efficiency: Uses up to 20% less fuel than competitors.
- 22,000 Watts of Power: Provides comprehensive whole-house coverage.
- Quiet Operation: At just 67 dBA, it’s one of the quietest in its class.
- Extreme Weather Performance: 24V starting system works in temperatures from -22°F to 104°F.
- aXis Power Management: Intelligently manages power to high-demand appliances.
What We Like
- Industry-leading 10-year warranty
- Exceptional fuel efficiency saves money
- Very quiet for a 22kW generator
- Reliable starting in extreme temperatures
- Includes 200A whole-house transfer switch
What We Don't Like
- Premium price point
- Newer technology may have fewer long-term user reviews than established models
Why We Selected This Product
This Champion model is our top overall pick due to its unbeatable 10-year warranty and superior fuel efficiency. These two factors represent significant long-term savings and confidence in the product. During our research, the advanced airflow design and low-tone muffler were noted for their contribution to both engine life and quiet operation. The aXis load management technology is intelligent and effective. It is a forward-thinking generator that delivers on power, durability, and cost of ownership.
User Experience
Owners rave about the 10-year warranty, citing it as the primary reason for their purchase and a huge source of comfort. The generator’s fuel efficiency is also a frequently praised feature, with users noticing lower natural gas or propane bills during extended use. Its quiet operation is another major plus, making it less intrusive than other high-power models. The reliable performance in extreme weather further cements its reputation as a premium, worry-free solution.
DuroMax XP13000HX Dual Fuel Portable Generator
Best for safety with CO Alert technology
The DuroMax XP13000HX takes the immense power of its EH sibling and adds a critical safety feature: CO Alert. This technology monitors for the buildup of carbon monoxide and automatically shuts down the generator if dangerous levels are detected, providing essential protection for your family. It still delivers a massive 13,000 starting watts and runs on either gasoline or propane. The fully loaded power panel is transfer-switch ready with a 50A outlet, making it a viable whole-home backup solution. Powered by a robust 500cc OHV engine with all-copper windings, this generator is built for performance and durability. For those who want the flexibility of a portable generator but prioritize safety above all else, the XP13000HX is the clear choice.
Product Specs
| Starting Watts | 13,000W (Gas) / 12,350W (Propane) |
| Running Watts | 10,500W (Gas) / 9,975W (Propane) |
| Safety Feature | CO Alert Shutdown |
| Fuel Type | Gasoline / Propane |
| Engine | 500cc OHV |
| Weight | 247 lbs |
Features
- CO Alert Technology: Automatically shuts down the generator if harmful CO levels are detected.
- 13,000 Watts of Power: Capable of running an entire home during an outage.
- Dual Fuel Capability: Runs on gasoline or propane for ultimate convenience.
- Powerful 500cc OHV Engine: Delivers consistent and reliable performance.
- Fully Loaded Power Panel: Includes a 50A outlet for easy connection to a transfer switch.
- All Copper Windings: Ensures a longer life and better performance.
What We Like
- Crucial CO Alert safety feature
- Extremely high power output
- Versatile dual-fuel operation
- Durable and well-built
- Excellent selection of outlets
What We Don't Like
- Still loud compared to standby models
- Very heavy at over 240 lbs
- Requires manual operation and refueling
Why We Selected This Product
Safety is paramount, and the inclusion of CO Alert technology makes this powerful portable generator stand out. We selected the XP13000HX because it offers a complete package: top-tier power, dual-fuel flexibility, and a life-saving safety feature. It does not compromise on build quality or features, providing the same rugged construction and user-friendly interface as other DuroMax models. It is the responsible choice for portable home backup power.
User Experience
Users who purchase the XP13000HX frequently mention the CO Alert feature as a key factor in their decision. It provides an added layer of confidence, especially when running the generator for long periods or placing it near a home. The generator's raw power and dual-fuel capability receive the same high praise as other DuroMax models. It is seen as a reliable, powerful, and, most importantly, safer alternative in the portable generator market.
What to Look for Before Buying the Best Whole House Generator
Choosing a whole house generator is a significant investment in your home’s security and comfort. To ensure you make the right choice, consider these crucial factors before you buy.
Find Your Need - Compatibility and use case considerations
First, determine your power requirements. Do you want to back up your entire home, including central air conditioning and electric ovens, or just the essential circuits like the refrigerator, freezer, sump pump, lights, and well pump? Make a list of everything you want to run during an outage. An electrician can perform a load calculation to determine the precise kilowatt (kW) size you need. A 10-14kW generator is often sufficient for essentials, while a 20-24kW+ model is typically required for full home backup.
Budget - Setting realistic price expectations
Whole house generator systems have a wide price range. A smaller, essentials-only system might cost between $4,000 and $7,000, including installation. A larger, whole-home system can range from $8,000 to $15,000 or more. Remember to factor in the cost of the generator, the automatic transfer switch (if not included), and professional installation, which can include electrical wiring, gas plumbing, and permits. While portable generators are cheaper upfront ($1,000-$2,500), they lack automatic operation and require manual setup in potentially dangerous weather.
Key Features - Most important technical specifications
- Automatic Transfer Switch (ATS): This is the brain of the system. It detects a power outage, signals the generator to start, and automatically transfers your home’s electrical load to the generator. When grid power returns, it reverses the process. An ATS is essential for a true “standby” system.
- Fuel Type: Most standby generators run on natural gas (NG) or liquid propane (LP). Natural gas is convenient as it provides a continuous fuel supply from your utility line. Propane requires a large storage tank on your property but may offer slightly more power output.
- Remote Monitoring: Many modern generators offer Wi-Fi connectivity, allowing you to monitor the generator’s status, receive maintenance alerts, and even run tests from your smartphone.
Quality & Durability - What to look for in construction
The generator’s enclosure is its first line of defense against the elements. Look for corrosion-resistant materials like powder-coated steel or aluminum, which is often considered superior for coastal areas. The quality of the engine is also critical. Brands like Generac (G-Force) and Champion build purpose-driven engines designed specifically for the long, hard hours a generator must endure.
Brand Reputation - Importance of established manufacturers
Stick with well-known brands like Generac, Champion, Honeywell, and Kohler. These companies have a long history of manufacturing reliable generators and offer extensive warranties and robust customer support networks. A strong warranty, like Champion’s 10-year offering, is a clear indicator of a manufacturer’s confidence in its product’s durability.
Portability/Size - Considerations for space and storage
Standby generators are permanent installations and require a dedicated space outside your home, typically on a concrete or composite pad. You must adhere to local codes regarding placement, which specify minimum distances from windows, doors, and property lines. Ensure you have a suitable location that is both compliant and accessible for maintenance. Portable generators, while mobile, are heavy and bulky and require safe, dry storage when not in use.
Is it A Wise Decision to Buy whole house generator?
Investing in a whole house generator is a significant financial decision, but for many, the benefits far outweigh the costs. The primary value is uninterrupted peace of mind. During a power outage, whether caused by a storm, grid failure, or other unforeseen event, your life can continue with minimal disruption. Your lights stay on, your food remains cold, your basement doesn’t flood from a failed sump pump, and critical medical equipment continues to operate. In regions with frequent or prolonged outages, this isn’t a luxury; it’s a necessity.
Compared to the alternative of a portable generator, a whole house system is vastly superior in convenience and safety. There is no need to run outside in a storm to wheel out a heavy machine, find fuel, and run dangerous extension cords. The automatic transfer switch handles everything in seconds. While the initial investment is higher, a permanently installed standby generator can also increase your home’s resale value, making it a tangible asset. When you consider the potential cost of spoiled food, flood damage, or frozen pipes, the generator can pay for itself after just one major outage. It’s an insurance policy for your modern, electricity-dependent lifestyle.
What Is the Best Way to Choose whole house generator?
Choosing the right whole house generator involves a systematic approach to ensure you get a system that meets your needs without overspending. Follow these steps for a smart selection process.
Assess Your Power Needs: Create two lists. The first should include “essential” appliances you cannot live without (refrigerator, furnace, well pump, sump pump, some lights). The second list should include “high-demand” items you’d like to power (central AC, electric stove, clothes dryer). This will help you decide between an essential-circuit system and a true whole-home system.
Consult a Professional: Hire a licensed electrician to perform a manual load calculation. They will measure the actual power draw of your appliances and determine the exact size generator (in kilowatts) you require. This is the most accurate way to size your system and avoid buying a generator that’s too small or unnecessarily large.
Select Your Fuel Source: Decide between natural gas and liquid propane. If you have natural gas service to your home, it’s the most convenient option. If not, you will need to have a large propane tank installed. Discuss tank size and placement with a local propane supplier.
Compare Top Brands and Features: Focus on reputable brands. Compare key features like warranty length (longer is better), remote monitoring capabilities (highly recommended), and noise levels (dBA rating). A model with a 10-year warranty and Wi-Fi monitoring offers superior long-term value.
Get Multiple Installation Quotes: Installation costs can vary significantly. Get at least three detailed quotes from certified installers. The quote should break down the costs for the generator, transfer switch, electrical work, gas plumbing, and any necessary permits. Don’t just choose the cheapest; consider the installer’s experience and reviews.
Common Mistakes to Avoid:
- Under-sizing: Buying a generator that’s too small will cause it to overload and shut down, or it won’t be able to start large appliances like your AC.
- Ignoring Installation Costs: The price of the generator is only part of the total cost. Budgeting 50-100% of the unit’s cost for installation is a safe estimate.
- DIY Installation: This is not a DIY project. Improper installation is extremely dangerous, can void your warranty, and likely violates local building codes.
FAQ
What is the best whole house generator for beginners?
For beginners, the Generac Guardian 10kW or 14kW models with an included transfer switch are excellent choices. They offer a complete, straightforward package from a reputable brand. The included Wi-Fi monitoring simplifies keeping track of the generator’s status, making the entire experience less intimidating and providing peace of mind through a user-friendly app.
How much should I spend on whole house generator?
Expect to spend between $4,000 and $15,000 for a fully installed system. A smaller, essential-circuit system will be on the lower end of that range, while a large, whole-home unit capable of running everything will be on the higher end. The final cost depends heavily on the generator size, brand, and the complexity of the installation.
What features are most important in whole house generator?
The three most important features are the automatic transfer switch (ATS) for seamless operation, Wi-Fi remote monitoring for status updates and peace of mind, and a durable, weather-resistant enclosure (preferably aluminum). A long warranty, like 5 or 10 years, is also a critical indicator of quality and long-term reliability.
How do I maintain my whole house generator?
Maintenance is similar to a car engine. You should check the oil level weekly, especially during an outage. Annually, it will need an oil change, a new oil filter, a new air filter, and new spark plugs. Most manufacturers offer maintenance kits, and you can either perform this service yourself or hire a certified technician to do it.
Are expensive whole house generator worth it?
Yes, in many cases. More expensive generators typically offer higher power output, longer warranties (like Champion’s 10-year warranty), quieter operation, and better build quality. If you have a large home, rely on electricity for critical needs, or experience frequent outages, the investment in a more powerful and reliable unit is absolutely worth it for the enhanced security and convenience.
What brands make the best whole house generator?
Generac, Champion, Kohler, and Honeywell are the leading and most trusted brands in the residential whole house generator market. Generac is the market leader with a wide range of options. Champion is known for its exceptional warranties and fuel efficiency. Kohler is a premium brand with a reputation for commercial-grade durability.
How long do whole house generator typically last?
A well-maintained whole house generator can last for 20 to 30 years or between 1,500 and 3,000 hours of use. Regular maintenance, including oil changes and filter replacements, is crucial to achieving this lifespan. The quality of the unit and the harshness of the climate it operates in will also play a role in its longevity.
Can I find good whole house generator on a budget?
Yes. The “budget” option in whole house generators usually means a smaller unit that powers only essential circuits rather than the entire home. A Generac 10kW model is a fantastic budget-friendly choice that provides reliable, automatic power for critical appliances, offering the core benefits of a standby system at a more accessible price point.
Final Verdict
After extensive research and evaluation, we confidently recommend the Champion 22 kW aXis Home Standby Generator as the best overall choice.
Its industry-leading 10-year warranty, superior fuel efficiency, and quiet operation provide unmatched long-term value and peace of mind, making it a wise investment for any homeowner seeking comprehensive protection.
For those on a tighter budget who still want the convenience of automatic standby power, the Generac Guardian 10kW Home Standby Generator with Transfer Switch is an outstanding value, providing reliable coverage for essential circuits.
If maximum power is your priority, the Generac Guardian 24kW Home Standby Generator is the ultimate premium option, capable of running the largest homes without compromise.
Ultimately, choosing the right generator means securing your family’s comfort and safety. Use this guide to make an informed decision and prepare your home for whatever comes its way.
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