10 Best Standby Diesel Generator For Home Use (2024 Update)

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Are you looking for a reliable power backup solution for your home in case of a power outage? A standby diesel generator can be a great option to ensure uninterrupted power supply for your essential appliances during emergencies. However, choosing the right generator can be a daunting task, especially if you are new to this technology. Here are five key points to consider when looking for a standby diesel generator for your home use:

1. Power output: The generator's power capacity should be sufficient to meet your home's power needs during an outage. You need to calculate the wattage requirement of your essential appliances and choose a generator with a matching or higher power output.

2. Fuel efficiency: Diesel generators are generally more fuel-efficient than gas generators, but some models are more efficient than others. Look for a generator that can run for a long time on a single tank of fuel to save money in the long run.

3. Noise level: Standby generators can be noisy, and you don't want to disturb your neighbors or yourself. Look for a generator with a noise level that is acceptable for your location and personal preferences.

4. Brand reputation: Buy from a reputable brand that has a proven track record of producing high-quality standby generators. You want a generator that is reliable, durable, and easy to maintain.

5. Installation and maintenance: Consider the installation and maintenance requirements of the generator before making a purchase. You may need to hire a professional to install the generator and perform regular maintenance to keep it running smoothly.

By keeping these key points in mind, you can find the best standby diesel generator for your home use that meets your power needs, is fuel-efficient, quiet, reliable, and easy to install and maintain.

10 Best Standby Diesel Generator For Home Use

1. Champion 8.5-Kw Home Standby Generator With 50-Amp Transfer Switch.

The Champion Power Equipment 100177 8.5-kW Home Standby Generator is a reliable and efficient solution for homeowners who require seamless, uninterrupted power. With no need for refueling, manual operation, or extension cords, this generator is backed by a 10-year limited warranty, ensuring peace of mind for homeowners.

The generator features a Sub Zero Start system that is designed to operate in temperatures as low as -22ºF. This ensures that the generator can start up and provide power even in harsh winter conditions. The innovative gullwing enclosure design makes installation and service a breeze, allowing for easy access to the generator at all times.

In addition to its reliable performance, the Champion Power Equipment 100177 8.5-kW Home Standby Generator is also designed for quiet operation. The low-tone muffler and sound dampening liner make it suitable for residential use, ensuring that it won't disturb the peace and quiet of the neighborhood.

The generator comes with an ATS50 automatic transfer switch that is outdoor rated (NEMA 3R) and capable of handling up to 50 amps and 10 circuits. This ensures that the generator can seamlessly switch between the utility power and generator power, ensuring uninterrupted power supply to the home.

Overall, the Champion Power Equipment 100177 8.5-kW Home Standby Generator is a reliable, efficient, and quiet solution for homeowners who require uninterrupted power. With easy installation and service, a Sub Zero Start system, and an automatic transfer switch, this generator is a must-have for any homeowner who values uninterrupted power supply.

2. Generac Guardian 24kw Home Standby Generator With Pwrview Transfer Switch Wi-Fi Enabled

The Generac Guardian 24kW Home Standby Generator with PWRview Transfer Switch Wi-Fi Enabled is an innovative and cost-effective solution for homeowners who want to ensure that their homes have uninterrupted power during outages. This generator saves up to 8,000 dollars in product and installation costs when compared to competitive output products. It also takes up 70% less space than other generators, making it a more practical option for homeowners who have limited space.

One of the standout features of this generator is the PWRview, Generac's home energy management system. This system allows generator owners to monitor and manage home energy usage, leading to a reduction in electric utility bills of up to 20%. By using PWRview, homeowners can save enough money to pay for their generator over time, making it a smart investment for those who want to save money in the long run.

The Generac Guardian 24kW Home Standby Generator with PWRview Transfer Switch Wi-Fi Enabled is designed to be easy to use and maintain. It uses a reliable engine that is built to last, and it has a durable, weather-resistant enclosure that can withstand even the harshest conditions. The generator comes with a transfer switch that is Wi-Fi enabled, allowing homeowners to monitor and control their generator from anywhere using their smartphone or tablet.

In addition to its reliability and efficiency, the Generac Guardian 24kW Home Standby Generator with PWRview Transfer Switch Wi-Fi Enabled is also backed by a comprehensive warranty. Generac offers a 5-year limited warranty on the generator and a 2-year limited warranty on the transfer switch, giving homeowners peace of mind knowing that their investment is protected.

Overall, the Generac Guardian 24kW Home Standby Generator with PWRview Transfer Switch Wi-Fi Enabled is an excellent choice for homeowners who want to ensure that their homes have uninterrupted power during outages. With its innovative features, cost-effective pricing, and reliable performance, this generator is a smart investment for anyone who wants to protect their family and their home from power outages.

3. 22kw/19.5kw Generac Home Standby Generator With 200 Amp Transfer Switch.

The Generac 7043 Home Standby Generator is a reliable and powerful solution for homeowners who want to ensure uninterrupted power during outages. With a 22kW/19.5kW air-cooled engine, this generator is capable of providing enough power to run most homes, including sensitive electronics and appliances.

One of the standout features of the Generac 7043 is its True Power Technology, which delivers less than 5% total harmonic distortion (THD). This means that the power produced by the generator is of the highest quality, ensuring smooth operation of sensitive electronics and appliances.

The Generac 7043 also comes with a 200 amp NEMA 3 whole house smart transfer switch, which is indoor/outdoor rated and allows for seamless transition between utility power and generator power. The switch is equipped with LED indicators that show the generator status, utility power presence, or when maintenance is required.

The Generac Evolution Controller is another notable feature of the 7043. This advanced controller offers a user-friendly interface and allows for easy monitoring and maintenance of the generator. It also features LED indicators that show the generator status and any issues that may arise.

The all-weather aluminum enclosure of the Generac 7043 is designed to withstand even the toughest conditions. The enclosure is durable and offers three removable sides for easy access during installation, service, and maintenance.

It is important to note that the Generac 7043 does not come with a battery. The Generac Battery 7043 5819 is sold separately and is required for the generator to function.

Overall, the Generac 7043 Home Standby Generator is a reliable and powerful solution for homeowners who want to ensure uninterrupted power during outages. With its advanced technology, durable enclosure, and easy-to-use controller, the Generac 7043 is an excellent choice for anyone looking for a high-quality standby generator.

4. Generac 7043 22kw Air Cooled Guardian Series Home Standby Generator With, 200-Amp Transfer Switch

The Generac 7043 22kW Air Cooled Guardian Series Home Standby Generator is a reliable backup power solution for homeowners. It comes equipped with a 200-Amp Transfer Switch, which ensures whole-house protection during power outages. The NEMA 3R aluminum outdoor enclosure of the smart switch protects it from harsh weather conditions, ensuring uninterrupted power supply.

The Generac Evolution Controller is a user-friendly control panel that features a multilingual LCD display. The display allows homeowners to monitor the generator's battery status and track maintenance intervals to ensure optimal performance. The controller also provides real-time status updates, keeping homeowners informed about the generator's performance.

The 22kW air-cooled generator provides 240 volts of power supply, enough to power most household appliances and electronics. The generator can run on natural gas or propane, making it a versatile power source for homeowners. Its air-cooled engine ensures efficient performance and reduces maintenance costs.

The generator is designed to automatically turn on within seconds of a power outage, ensuring uninterrupted power supply. It can also be set to run weekly self-tests, ensuring it's always ready to provide power when needed. The generator's quiet operation ensures minimal disturbance to homeowners and their neighbors.

The Generac 7043 22kW Air Cooled Guardian Series Home Standby Generator is a reliable and efficient backup power solution for homeowners. Its user-friendly controls, real-time status updates, and versatile power supply options make it an ideal choice for homeowners looking for a dependable backup power solution.

5. Champion 10,000/8,000-Watt Tri Fuel Portable Generator With Ng/lpg Hose Kits And Co Shield.

The Champion Power Equipment 100416 10,000/8,000-Watt TRI Fuel Portable Natural Gas Generator is a versatile and reliable power source that can be used with natural gas, propane, or gasoline. With the included natural gas and propane hoses, this generator is ready to run on any fuel right out of the box.

The generator is powered by a 459cc Champion engine that can be started with the handy rocker switch, and comes with a battery included. The gasoline tank is made of durable steel.

The generator is equipped with a variety of features that make it easy to monitor its performance and maintenance needs. Users can track voltage, frequency, session run time, and total run time to ensure that the generator is operating at peak efficiency. The UL-recognized sensor uses an LED to indicate CO shutoff or fault, providing an added layer of safety.

In terms of power output, the generator is capable of generating 10,000 starting watts and 8000 running watts on gasoline, 9000 starting watts and 7200 running watts on propane, and 8750 starting watts and 7000 running watts on natural gas. The generator also comes with engine oil included, making it easy to get started right away.

The Champion Power Equipment 100416 10,000/8,000-Watt TRI Fuel Portable Natural Gas Generator comes with a 3-year limited warranty and free lifetime technical support from dedicated experts. With its versatility, reliability, and user-friendly features, this generator is an ideal choice for anyone in need of a portable power source.

6. Generac 7172: 10kw Home Standby Generator With 100-Amp Transfer Switch.

The Generac 7172 10kW Air Cooled Guardian Series Home Standby Generator with 100-Amp 16-Circuit Transfer Switch is a reliable solution for homeowners looking to keep their homes powered during outages. With the ability to power up to 16 circuits of a home, this generator is equipped with a 100-amp, NEMA 3R transfer switch with an aluminum enclosure that is rated for indoor or outdoor use.

The True Power Technology of this generator ensures that the power quality is best-in-class, with less than 5 percent total harmonic distortion. This feature guarantees that sensitive electronics and appliances in the home will operate smoothly and efficiently without any disruptions. Additionally, the Generac G-Force Engine is a purpose-built, pressure-lubricated engine that is specifically designed to handle the rigors of generator use. As a result, the generator is more reliable and requires less routine maintenance than any other competitive engine.

The Mobile Link Wi-Fi feature of this generator allows users to monitor the status of the generator from anywhere in the world using a smartphone, tablet or PC. This feature provides peace of mind to homeowners, as they can keep an eye on the generator's status and performance, even when they are not at home.

This generator comes with a 5-year limited warranty, making it a reliable and long-lasting solution for homeowners who want to ensure that their homes are always powered, even during power outages. With its advanced features and robust design, the Generac 7172 10kW Air Cooled Guardian Series Home Standby Generator with 100-Amp 16-Circuit Transfer Switch is an excellent choice for homeowners looking for a reliable and powerful generator.

7. The Generac 7676 Gp8000e Is An 8,000-Watt Gas-Powered Portable Generator Featuring Electric Start And Co-Sense Technology. It Is Compliant With 50-State And Carb Regulations.

The Generac 7676 GP8000E is a powerful gas-powered portable generator designed to provide reliable electric supply in times of power outages or emergencies. With its advanced Power Rush technology, this generator can deliver over 30% more starting capacity, enabling it to handle heavier loads with ease.

Measuring 27.2 inches in width, 27 inches in depth, and 26.5 inches in height, this generator weighs in at 198 pounds, making it easy to move around as needed. It has a starting capacity of 10,000 watts and a running capacity of 8,000 watts, ensuring that it can operate a variety of electrical devices and appliances.

The Generac 7676 GP8000E features an electric start model with a battery included, making it easy to start up and operate. It has a durable OHV engine with splash lubrication, which provides a long engine life and reduces maintenance needs. Additionally, this generator has a large-capacity steel fuel tank with an incorporated fuel gauge, which provides durability and an up to 11-hour run-time at 50% load.

One of the standout features of the Generac 7676 GP8000E is its CO-Sense technology, which monitors carbon monoxide levels and automatically shuts down the generator if they become too high. This feature makes it a safer and more environmentally friendly option than other gas-powered generators.

Furthermore, the Generac 7676 GP8000E is both 50-state and CARB compliant, ensuring that it meets the environmental standards set by these regulatory bodies. This makes it a reliable and responsible choice for anyone who needs a portable generator for their home or business.

Overall, the Generac 7676 GP8000E is a powerful and reliable generator that is easy to operate and environmentally friendly. Its advanced features and durable construction make it a great investment for anyone who needs a reliable source of electricity in times of need.

8. Generac 70422 Home Standby Generator Guardian Series 22/19.5kw Air-Cooled With Wi-Fi, Aluminum

The Generac 70422 Home Standby Generator Guardian Series 22/19.5kW Air-Cooled with Wi-Fi and aluminum construction is a reliable and powerful solution for power outages. This generator comes with a 5-year limited warranty, ensuring peace of mind for the user.

One of the standout features of this generator is its True Power Technology, which delivers best-in-class power quality with less than 5 percent total harmonic distortion. This ensures that sensitive electronics and appliances operate smoothly without any damage or interruptions.

Furthermore, the Generac G-Force engines are purpose-built and pressure-lubricated, capable of handling the rigors of generator use. These engines are more reliable and require less routine maintenance than any competitive engine, making them a cost-effective choice in the long run.

It's important to note that the transfer switch is not included with this generator. However, buyers can choose from a range of compatible transfer switches to suit their specific needs.

Overall, the Generac 70422 Home Standby Generator Guardian Series 22/19.5kW Air-Cooled with Wi-Fi and aluminum construction is a reliable and efficient solution for power outages. Its advanced features and robust construction make it an excellent investment for any homeowner looking for uninterrupted power supply during emergencies.

9. Generac Guardian 24kw Automatic Home Standby Generator Wi-Fi Enabled

The Generac Guardian 24kW Automatic Home Standby Generator Wi-Fi Enabled is a powerful and reliable backup power solution for homeowners. With the ability to save up to $8,000 in product and installation costs compared to competitive output products, this generator is a cost-effective option for those looking to protect their home during power outages.

One of the standout features of the Generac Guardian is its compact size. Taking up 70% less space than competitive output products, this generator is perfect for homeowners who are limited on space. Despite its small size, the Generac Guardian packs a powerful punch, providing 24kW of backup power.

The Generac Guardian also comes with a 5-year limited warranty for automatic standby generators, giving homeowners peace of mind knowing that their investment is protected. In addition, the generator features true power technology, which delivers best-in-class power quality with less than 5 percent total harmonic distortion.

This means that sensitive electronics and appliances can be operated without worry of damage or disruption. The Generac Guardian is also Wi-Fi enabled, allowing homeowners to monitor the status of their generator from anywhere using a smartphone, tablet, or computer.

Overall, the Generac Guardian 24kW Automatic Home Standby Generator Wi-Fi Enabled is a reliable and cost-effective backup power solution for homeowners. With its compact size, powerful output, and advanced technology features, this generator is a top choice for those looking to protect their home during power outages.

10. Kohler 20rcal-200sels 20kw Standby Generator, Tan

The Kohler 20RCAL-200SELS 20kW Standby Generator is a premium power solution that offers advanced voltage and frequency regulation, protecting valuable electronics and automatically restoring power in just 10 seconds. This generator is compatible with both natural gas and liquid propane, with a simple switching mechanism that can be done in the field. It includes the RXT 200-amp automatic transfer switch, which is outdoor-rated and service entrance rated.

The Kohler 20RCAL-200SELS 20kW Standby Generator is powered by the reliable KOHLER Command PRO engine, which is designed and tested for tough commercial applications. The engine is equipped with hydraulic valve lifters, which eliminate the need for lengthy break-in periods and expensive valve adjustments. The engine is a Kohler CH1000 4-Cycle, with a V-2 999 CC engine and 30.9 HP.

One of the standout features of this generator is its PowerBoost technology, which provides power to start large loads such as central air conditioners without dropping power to other appliances. This ensures that all appliances and devices connected to the generator can operate smoothly and without interruption.

The Kohler 20RCAL-200SELS 20kW Standby Generator is an excellent choice for those who value reliable power and peace of mind. Its advanced features and robust design make it an ideal solution for commercial and residential applications. With its automatic transfer switch and compatibility with both natural gas and liquid propane, this generator can seamlessly integrate into any power system.

Best Standby Diesel Generator For Home Use FAQs

Are there any safety considerations to keep in mind when using a standby diesel generator for home use?

Yes, there are several safety considerations to keep in mind when using a standby diesel generator for home use. Firstly, it is essential to follow the manufacturer's instructions and guidelines pertaining to the installation and operation of the generator. This includes proper ventilation, fuel storage, and electrical connections. It is critical to ensure that the generator is correctly grounded and that all electrical connections are secure and in good condition. Secondly, it is crucial to operate the generator in a well-ventilated area to prevent carbon monoxide buildup, which can be fatal. It is recommended to have a carbon monoxide detector installed in the area where the generator is being used. Lastly, it is essential to keep the generator well-maintained and serviced regularly to ensure it operates efficiently and safely.

Can a standby diesel generator be used for both standby power and as a primary power source for a home?

Yes, a standby diesel generator can be used for both standby power and as a primary power source for a home. However, it is important to note that standby generators are designed to be used for temporary power outages and not as a primary source of power. If used as a primary power source, the generator will experience more wear and tear, and maintenance will become more frequent.

Additionally, the generator should be properly sized to meet the power needs of the home. A professional electrician should be consulted to ensure that the generator is installed correctly and meets all safety requirements. The generator should also be tested regularly to ensure that it is in good working condition and is ready to provide power in case of an outage.

In summary, while a standby diesel generator can be used as a primary power source, it is not recommended for long-term use and should be properly sized and installed by a professional.

How often should a standby diesel generator be maintained for optimal performance?

As per industry standards, a standby diesel generator should be maintained at least once every six months for optimal performance. This maintenance should include changing the oil, filters, and spark plugs, checking the battery, and inspecting the fuel and coolant levels. Additionally, it is recommended to test the generator's load bank once a year to ensure it can handle the required load in case of an emergency.

However, the frequency of maintenance can vary depending on the manufacturer's recommendations and the generator's usage. If the generator is used frequently or in harsh environments, it may require more frequent maintenance to ensure its reliability.

Overall, regular maintenance is crucial to ensure that the standby diesel generator can provide reliable backup power when needed. Neglecting maintenance can lead to costly repairs, decreased efficiency, and even complete failure during an emergency.

What fuel efficiency can be expected from a standby diesel generator used in a home setting?

I can answer the question.

The fuel efficiency of a standby diesel generator used in a home setting can vary depending on several factors, including the generator's size and load capacity, the frequency of use, and the quality of the fuel used. On average, a standby diesel generator may consume around 0.8 to 1.5 gallons of fuel per hour of operation, depending on its size and load capacity.

However, it's essential to note that standby diesel generators are not designed for continuous use and should only be used during power outages or emergencies. Proper maintenance and regular servicing of the generator can also help improve its fuel efficiency and prolong its lifespan. Additionally, choosing a high-quality diesel fuel and ensuring proper storage and handling can also help reduce fuel consumption and improve the generator's efficiency.

What size standby diesel generator is best for home use?

When choosing a standby diesel generator for home use, it's important to consider factors such as the size of your home, your power requirements, and your budget. Generally, a generator with a power output of 20-30kW is suitable for most homes. This size of generator can power essential appliances such as refrigerators, lights, and heating and cooling systems. However, if you have a larger home with more power requirements, you may need a generator with a higher power output.

It's also important to consider the fuel efficiency of the generator, as well as its noise level and durability. Diesel generators are generally more fuel efficient and durable than other types of generators, making them a popular choice for standby power.

Ultimately, the best size standby diesel generator for your home will depend on your specific needs and budget. Consulting with a professional electrician or generator installer can help you make an informed decision and ensure that your generator is installed safely and correctly.

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