best backup generator

As storm season approaches, the importance of having a reliable backup generator becomes particularly clear. I’ve personally tested several models, and the DuroMax XP13000EH 13,000-Watt Dual Fuel Generator stood out for its raw power and versatility. It can run your entire home during an outage, thanks to its high wattage and dual fuel capability—switching between gas and propane takes seconds. The heavy-duty all-metal frame and copper windings mean it can handle tough weather and heavy use without breaking down.

This generator’s push-button start and transfer switch-ready outlets make it easy to operate, even during stressful outages. Its design focus on durability and mobility means you won’t get stranded over rough terrain or in bad weather. I’ve used others with lower wattage or fewer features, but nothing matches the power, build quality, and user-friendly features of the DuroMax XP13000EH. If you need a dependable backup that you can count on in emergencies, this is the one I recommend without hesitation.

Top Recommendation: DuroMax XP13000EH 13,000-Watt Dual Fuel Generator

Why We Recommend It: It provides exceptional power with 13,000 watts, ideal for whole-home backup. The dual fuel option offers quick fuel switching, increasing flexibility. Its all-metal construction and copper windings ensure durability and longevity. Unlike competitors, it includes transfer switch-ready outlets and high mobility with non-flat tires, making it unmatched for reliability and versatility in emergency situations.

Best backup generator: Our Top 5 Picks

• DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator – Best for Heavy Power Needs
• Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable – Best for House Power Outages
• Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable – Best for Whole Home Backup
• Westinghouse Outdoor Power Equipment 12500 Peak Watt Home – Best for Residential Use
• Champion Power Equipment 9000-Watt Electric Start Tri Fuel – Best Budget-Friendly Backup Generator

What Is a Backup Generator and How Does It Work?

A backup generator is a supplementary power source that provides electricity during power outages. It automatically engages to supply power to essential appliances and systems when the main power grid fails.

The U.S. Department of Energy defines a backup generator as “a device that provides temporary electric power when the main electrical service fails.” This definition emphasizes both the function and operational context of backup generators.

Backup generators come in various types, including portable and stationary models. They run on different fuel sources, such as gasoline, propane, or natural gas. These generators can power home essentials like refrigerators, heating systems, and medical devices, ensuring safety and convenience during outages.

According to the National Fire Protection Association, generator safety guidelines recommend proper installation and maintenance to prevent hazards such as carbon monoxide poisoning or electrical fires. This highlights the critical safety measures necessary for effective operation.

Causes of power outages include severe weather events, equipment failures, and maintenance issues. Natural disasters like hurricanes and ice storms frequently disrupt utility services, leading to widespread outages.

In the United States, approximately 1 in 4 households experienced a power outage in 2020, with average outage durations of 4 hours, according to the Energy Information Administration. As climate change intensifies, the frequency and duration of outages may increase.

Backup generators mitigate disruptions to daily life, supporting health and safety during outages. They also contribute to economic resilience by allowing businesses to operate during emergencies.

Impacts extend to health, as uninterrupted power can be crucial for medical equipment. Environmentally, fossil fuel-powered generators contribute to emissions. These generators can create noise pollution, affecting community well-being.

For example, a backup generator ensures continuity for critical facilities like hospitals during emergencies, preserving patient care.

Recommendations include choosing generators with lower emissions and noise levels. The Environmental Protection Agency encourages using alternative energy sources, such as solar or wind, for sustainable solutions.

Technologies like automatic transfer switches enhance generator efficiency. Smart grid technologies can integrate backup generators for optimized energy use, improving both performance and adaptability.

What Types of Backup Generators Are Best for Whole-House Use?

The best types of backup generators for whole-house use include standby generators and portable generators.

1. Standby generators
2. Portable generators
3. Inverter generators
4. Dual-fuel generators
5. Solar-powered generators

These types of generators vary in attributes such as capacity, fuel type, installation requirements, and cost. Each option has diverse use cases and benefits, depending on the homeowner’s needs. For example, some homeowners prefer standby generators for their automatic operation, while others may choose portable models for flexibility and ease of use.

1. Standby Generators:
   Standby generators are permanently installed units. They automatically turn on during power outages and can supply power to an entire house. These generators typically run on natural gas or propane and vary in size from 7 kW to over 60 kW. According to the U.S. Department of Energy, standby generators can instantly provide power, ensuring minimal disruption during an outage.

A case study by the Electrical Generating Systems Association indicates that home standby generators can increase property value, appealing to future buyers.

2. Portable Generators:
   Portable generators are versatile and can be moved easily. They typically provide between 1,000 and 7,500 watts of power and run on gasoline or propane. These generators are suitable for powering essential appliances or tools during outages or outdoor activities. The Consumer Product Safety Commission notes that portable units are often more affordable than standby models but require manual setup and refueling.

According to a report by the National Fire Protection Association, improper use of portable generators poses a risk of carbon monoxide poisoning, emphasizing the need for safe operation practices.

3. Inverter Generators:
   Inverter generators are known for producing cleaner and more stable electricity than conventional generators. They are small, lightweight, and fuel-efficient, making them ideal for sensitive electronics. Inverter models can range from 1,000 to 4,000 watts and can be connected in parallel for increased power output. A study from the Canadian Electrical Association indicates that the quieter operation of inverter generators makes them popular among campers and tailgaters.

4. Dual-Fuel Generators:
   Dual-fuel generators operate on two types of fuel, typically gasoline and propane. They offer flexibility in fuel choice, which can be beneficial during fuel shortages. These generators can provide power levels similar to standby units while offering portability like that of portable generators. A 2021 survey by Generator Research points out that dual-fuel models cater to both home and recreational needs, appealing to a broader audience.

5. Solar-Powered Generators:
   Solar-powered generators convert sunlight into electricity, making them environmentally friendly. These generators are typically used for small applications, providing power for basic appliances or charging devices. A report by the National Renewable Energy Laboratory found that while solar generators may have high initial costs, they can save money on fuel and maintenance over time. The ability to harness renewable energy also attracts environmentally conscious consumers.

How Do Standby Generators Compare to Portable Generators for Home Use?

Standby generators and portable generators have distinct features, advantages, and disadvantages for home use. The following table compares their key characteristics:

Feature	Standby Generators	Portable Generators
Power Output	Higher capacity, suitable for whole-home backup	Lower capacity, suitable for specific appliances
Installation	Permanent installation, requires professional setup	Portable, can be moved and used anywhere
Fuel Source	Natural gas or propane	Gasoline, propane, or diesel
Automatic Start	Automatically starts during power outages	Manual start, requires user intervention
Maintenance	Regular maintenance needed, more complex	Less maintenance, simpler design
Cost	Higher upfront cost	Lower upfront cost
Noise Level	Quieter operation	Typically noisier
Run Time	Longer run time during outages	Shorter run time, depends on fuel capacity
Usage Scenario	Best for extended outages and whole-home power needs	Best for short-term use and emergencies

Choosing between the two depends on individual needs, budget, and the desired level of convenience.

What Key Features Should You Look for in a Backup Generator?

When selecting a backup generator, key features to consider include power output, fuel type, transfer switch, portability, runtime, noise level, and additional safety features.

1. Power Output
2. Fuel Type
3. Transfer Switch
4. Portability
5. Runtime
6. Noise Level
7. Safety Features

Understanding these features is vital for making an informed decision about a backup generator. Each characteristic serves a unique purpose and can impact the efficiency and safety of your power supply during an outage.

1. Power Output: Power output refers to the generator’s ability to produce electricity, measured in watts. Generators must match or exceed the wattage required to run essential appliances. For example, a home might need at least 5,000 watts to cover basic needs. The U.S. Department of Energy emphasizes calculating your total wattage requirements before purchasing a generator.

2. Fuel Type: Backup generators commonly use gasoline, diesel, natural gas, or propane. Each type has pros and cons. Gasoline generators are readily available but may require frequent refueling. Diesel engines are strong and require less maintenance but can be more expensive. Depending on your fuel availability and preferences, this choice can greatly affect operation during an outage.

3. Transfer Switch: A transfer switch allows safe switching between the power grid and generator power. It’s an important safety feature that prevents back-feeding electricity, which can endanger utility workers and your home. The National Fire Protection Association recommends using a manual or automatic transfer switch with all generator installations.

4. Portability: Portability refers to how easily a generator can be moved from one location to another. Portable generators are ideal for occasional power needs or outdoor activities. Some models come with wheels and handles, making them easier to transport. If mobility is a priority, consider weight and design when shopping.

5. Runtime: Runtime indicates how long a generator can operate on a full tank of fuel. It’s essential for extended outages. For instance, generators with a runtime of 8-12 hours are suitable for overnight use. Evaluating runtime helps ensure you have reliable power throughout the duration of an outage.

6. Noise Level: Noise level is an important consideration, especially in residential areas. Generators are ranked in decibels (dB), with quieter models often around 50 dB. Some cities have sound restrictions during certain hours. Researching noise ratings can help you select a generator that meets local regulations while minimizing noise disturbance.

7. Safety Features: Safety features include low-oil shutoff, surge protection, and carbon monoxide detection. These features help prevent damage to the generator and ensure user safety. Many newer models come equipped with built-in safety systems to alert users about potential hazards, offering peace of mind during use. Investing in safety features can prevent accidents and promote a safer environment when operating a generator.

How Important Is the Generator Wattage Based on Your Home’s Needs?

The generator wattage is crucial based on your home’s needs. It determines how much power the generator can provide. Each appliance in your home requires a specific amount of wattage to operate.

First, identify the essential appliances you need to power during an outage. Common appliances include refrigerators, lights, heating or cooling systems, and medical devices. Next, check the wattage requirements for each appliance. Use the following guidelines:

• Starting wattage: This is the extra power needed to start appliances with motors, like refrigerators. It is often higher than running wattage.
• Running wattage: This is the power an appliance requires to operate continuously.

Next, sum the running wattage and the starting wattage of your essential appliances. Add about 20% more to ensure the generator can handle any additional load.

Lastly, select a generator with a wattage rating that meets or exceeds this total. This selection ensures you can safely run all necessary appliances without overloading the generator.

Understanding your home’s power needs leads to informed decisions when selecting a generator. Proper wattage guarantees reliable and safe power supply during outages.

What Are the Advantages of Different Fuel Types for Backup Generators?

The advantages of different fuel types for backup generators include efficiency, availability, cost, and environmental impact.

1. Gasoline
2. Diesel
3. Natural Gas
4. Propane
5. Solar
6. Biogas

The discussion of different fuel types for backup generators reveals diverse perspectives and factors influencing each option’s suitability. Each fuel type has unique attributes and considerations that can impact its performance and practicality in various scenarios.

1. Gasoline:
   Gasoline is widely available and easily accessible. It is typically less expensive than alternatives and has a high energy density. However, gasoline has a shorter shelf life and can be hazardous when stored. A study by the U.S. Energy Information Administration in 2021 indicated that gasoline has a storage life of about three to six months when untreated.

2. Diesel:
   Diesel fuel is known for its efficiency and long shelf life, lasting up to a year or longer with proper storage. Diesel generators can produce more power compared to gasoline engines of the same size. The downside is the higher initial cost and the noise produced by diesel generators. According to a report by the Diesel Technology Forum, diesel generators can operate at an efficiency of over 30%, making them suitable for heavy-duty usage.

3. Natural Gas:
   Natural gas is often piped directly to homes, providing a convenient and continuous supply. It burns cleaner than gasoline or diesel, resulting in lower emissions. Nonetheless, natural gas generators may require additional installation and can be less powerful compared to diesel generators. The U.S. Department of Energy states that natural gas generators can emit up to 45% less carbon dioxide than gasoline generators.

4. Propane:
   Propane is another cleaner-burning fuel option. It has a longer shelf life compared to gasoline and can be stored indefinitely. Propane generators often start easily in cold temperatures. However, propane is generally less available than gasoline and can be more expensive. According to the Propane Education & Research Council, propane can produce about 25% fewer greenhouse gas emissions than gasoline.

5. Solar:
   Solar-powered generators use renewable energy, yielding no emissions during operation. They provide a sustainable solution for long-term energy needs. However, their effectiveness can be limited by the availability of sunlight, and initial investment costs can be high. The National Renewable Energy Laboratory reports a significant decrease in solar energy costs by over 80% since 2010, making it increasingly viable for backup applications.

6. Biogas:
   Biogas is a renewable energy source derived from organic waste. It is environmentally friendly, reducing waste and emissions. However, biogas generators typically require specific setups or infrastructure that may not be readily available. Research from the International Renewable Energy Agency suggests that biogas can lead to lower lifecycle greenhouse gas emissions, enhancing the appeal of this option for environmentally-conscious users.

What Are the Essential Benefits of Having a Whole-House Backup Generator?

Having a whole-house backup generator provides essential benefits such as maintaining power during outages, ensuring comfort, and protecting home appliances.

1. Continuous Power Supply
2. Increased Home Safety
3. Protection of Appliances
4. Enhanced Property Value
5. Peace of Mind
6. Potential Cost Savings
7. Environmental Considerations

Having a whole-house backup generator offers several key advantages that address diverse needs and opinions.

1. Continuous Power Supply: A whole-house backup generator ensures a constant source of electricity. It activates automatically during a power outage and provides power to all essential home systems. This means homeowners can continue to use lights, heating or cooling systems, and medical equipment without interruption. According to the U.S. Department of Energy, power outages can last anywhere from a few hours to several days, depending on the cause, so having a generator can significantly reduce inconvenience.

2. Increased Home Safety: A whole-house backup generator enhances home safety during outages. It keeps security systems operational and outdoor lighting functional, deter potential intruders. The Electrical Safety Foundation International notes that homes with functioning security systems are 300% less likely to be burglarized, highlighting the importance of maintaining security during unforeseen outages.

3. Protection of Appliances: Having a generator protects sensitive appliances and electronics from damage caused by power surges or unexpected outages. Appliances such as refrigerators, freezers, and computers can suffer from severe damage when subjected to fluctuating electricity. Energy experts suggest that maintaining a steady power supply can extend the lifespan of home electronics by avoiding such issues.

4. Enhanced Property Value: Installing a whole-house generator can increase a home’s value. Some homebuyers view generators as a desirable feature, especially in areas prone to outages. According to a National Association of Realtors survey in 2021, homes with backup generators may enjoy a boost in market appeal, making them attractive to prospective buyers.

5. Peace of Mind: Homeowners experience peace of mind knowing they are prepared for emergencies. Having a backup generator eliminates worry during storm season or other events leading to outages. The American Red Cross recommends being prepared for emergencies, and having backup power contributes to personal safety and comfort during these situations.

6. Potential Cost Savings: A whole-house backup generator may save money in the long run. Homeowners avert losses from food spoilage, damage to appliances, and the high costs of temporary accommodations during extended outages. According to a 2022 study by Consumer Reports, homeowners spend an average of $500 during a week-long power outage on food and lodging.

7. Environmental Considerations: Modern whole-house generators often use more sustainable energy solutions. Many options now include natural gas or propane models that produce fewer emissions compared to older gasoline-powered generators. Energy experts advocate for cleaner technologies to minimize environmental impact, aligning with trends towards sustainability.

Overall, a whole-house backup generator provides various advantages that cater to safety, convenience, and property investment while addressing diverse homeowner needs.

How Can You Ensure Optimal Performance of Your Backup Generator?

To ensure optimal performance of your backup generator, conduct regular maintenance, perform routine tests, keep an adequate fuel supply, and store the generator in a suitable environment.

Regular maintenance: Schedule maintenance checks every six months or as recommended by the manufacturer. This includes changing the oil, replacing air filters, and inspecting spark plugs. According to a study by the American Society of Mechanical Engineers (ASME, 2021), regular maintenance can improve a generator’s lifespan by up to 50%.

Routine tests: Perform load tests at least once a year. A load test verifies that the generator can handle its rated capacity. The National Fire Protection Association (NFPA, 2022) emphasizes that testing ensures proper functionality during emergencies.

Adequate fuel supply: Maintain a sufficient level of fuel that is stable and appropriate for your generator type. Use fresh fuel, and consider adding a fuel stabilizer to extend shelf life. The U.S. Department of Energy (DOE, 2020) recommends replacing fuel every six months to prevent degradation.

Suitable environment: Store your generator in a dry and well-ventilated area. Protect it from extreme weather conditions, and ensure it’s free from debris. The Environmental Protection Agency (EPA, 2019) identifies environmental factors as significant to a generator’s operational efficiency and safety.

Following these practices will enhance the reliability and performance of your backup generator.

What Routine Maintenance Checks Should You Perform on Your Backup Generator?

Routine maintenance checks for your backup generator ensure its readiness and reliability when needed.

1. Check the oil level
2. Inspect the fuel system
3. Examine the battery condition
4. Test the exhaust system
5. Clean or replace the air filter
6. Run a load test
7. Inspect the transfer switch
8. Examine the coolant levels

Regular checks stay consistent, but opinions vary on their frequency and depth. Some users prefer monthly checks for optimal performance, while others opt for quarterly routines based on seasonal needs. Views may conflict around the necessity of running a load test, as some consider it crucial while others see it as optional. Different machine models may also require tailored approaches to maintenance.

The importance of checking the oil level arises from its role in lubricating the engine. Checking the oil ensures that the engine operates smoothly and prevents wear. Oil should be changed according to the manufacturer’s recommendations, typically between 50 to 100 hours of operation.

Inspecting the fuel system involves checking for leaks and ensuring clean fuel is supplied. Over time, fuel can degrade or gather moisture, leading to system malfunctions. Running the generator regularly can mitigate these issues, as frequent operation keeps the fuel system in good condition.

Examining the battery condition is essential for electric-start generators. Batteries can lose charge over time. Verify connections and replace batteries every few years or as needed to ensure reliability.

Testing the exhaust system includes checking for blockages and ensuring all components are secured and in good working order. A well-functioning exhaust system reduces harmful emissions and promotes efficiency in operation.

Cleaning or replacing the air filter is critical for maintaining airflow to the engine. A dirty filter restricts airflow and can reduce performance. Depending on usage, filters should be checked regularly, with replacements made when necessary.

Running a load test reveals if the generator can handle its designed output. This test identifies potential issues before a power outage occurs. Experts recommend performing this test at least once a year to ensure functionality under real operating conditions.

Inspecting the transfer switch is vital, as it connects the generator to household circuits. Ensuring it operates smoothly prevents electrical hazards. Regular inspection maintains safety and confirms that switching between utility and generator power occurs without issues.

Lastly, examining the coolant levels preserves the engine’s operating temperature. Low coolant can cause overheating, leading to costly repairs. It is advisable to check coolant levels before each use and top off as needed.

What Are the Top Recommendations for Reliable and Efficient Backup Generators?

The top recommendations for reliable and efficient backup generators include:

1. Fuel Type Selection (diesel, natural gas, propane, or gasoline)
2. Output Capacity (measured in watts)
3. Portability Options (portable vs. standby)
4. Automatic Start Features
5. Noise Level Considerations
6. Maintenance Requirements
7. Brand Reliability and Warranty
8. Efficiency Ratings (e.g., fuel efficiency)

The selection of a backup generator can vary based on individual needs and preferences.

1. Fuel Type Selection: Choosing the fuel type for a backup generator is crucial. Backup generators run on different fuel types such as diesel, natural gas, propane, or gasoline. Diesel generators often offer better fuel efficiency and longevity. Natural gas generators can provide a constant fuel supply without the need for storage. Propane generators are portable and can be easily stored; however, they may not be as efficient in terms of energy output as diesel. Gasoline generators are generally less expensive upfront but can be less efficient and require regular refueling.

2. Output Capacity: The output capacity of a generator is measured in watts. It indicates how much power the generator can provide. Home battery systems typically require between 5,000 to 10,000 watts to power essential appliances. The generator’s capacity should match or exceed the total power needs of the household to ensure uninterrupted service during an outage. Calculating wattage needs is essential for selecting the right generator.

3. Portability Options: Backup generators come in two main types—portable and standby. Portable generators can be easily moved and are ideal for powering tools or equipment at job sites and during camping trips. Standby generators are permanently installed and automatically turn on during a power outage. They usually have higher output capacities and can power an entire home.

4. Automatic Start Features: Generators with automatic start features provide a seamless transition when the power goes out. These generators detect outages and start automatically without any manual intervention. This feature is especially beneficial for homes with medical equipment that requires constant power.

5. Noise Level Considerations: The noise level of a generator can impact comfort and local regulations. Generators are rated by decibels (dB), and those below 70 dB are considered quieter. Portable generators tend to be noisier than standby models. Choosing a quieter generator helps minimize disturbance in residential areas.

6. Maintenance Requirements: Regular maintenance is essential for ensuring the longevity and reliability of a generator. Some generators require more upkeep than others. For example, diesel generators often need more regular servicing than gasoline units. Users should consider maintenance costs and procedures when selecting a generator.

7. Brand Reliability and Warranty: Selecting a reliable brand with strong customer reviews is important. Brands like Honda, Generac, and Champion are often recommended for their performance and support. A comprehensive warranty can provide protection against defects and issues, giving additional peace of mind.

8. Efficiency Ratings: Efficiency ratings evaluate how much of the fuel energy is converted into usable power. Generators with higher efficiency ratings consume less fuel for the same output, translating to lower operating costs. Checking for efficiency certifications can guide the purchase decision.

Considering these recommendations will help individuals select a backup generator that meets their specific needs for reliability, efficiency, and overall performance.

Related Post:

• Best dual fuel generator
• Best power generator for home
• Best home generators for power outage
• Best emergency generator
• Best generator for home power outage