Looking for the best whole house generator to ensure uninterrupted power supply for your home? Look no further!
Best Whole House Generator

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When the power goes out, life can grind to a halt. A whole house generator can provide peace of mind and keep your home running smoothly. These generators are connected directly to the home electrical system via transfer switches, ensuring an immediate response to power outages. They are an investment in comfort and security, powering everything from lights to critical appliances.

Choosing the right whole house generator involves considering various factors such as size, fuel type, and features. Transfer switches are essential, enabling a seamless transition between utility and generator power. This guide will help you navigate through the best options on the market.

Top 5 Whole House Generators

Discover generators that deliver reliable electrical power, serve as a steadfast power source, and offer backup power solutions, from robust 20kw generators to versatile power systems, including those supporting a sump pump and connect seamlessly to the power grid.

1. Generac 24000W Natural Gas or LP Gas Portable Generator

Best Whole House Generator

The Generac 24000W generator stands out with its dual fuel capabilities, allowing homeowners to utilize readily available natural gas or LP gas. Natural gas is a convenient and cost-effective power source, making this generator superior for whole house power. The unit’s large power output can handle most residential properties with ease.

Generac’s reputation for quality and reliability extends to this model, which is suitable for both longevity and performance. Its versatility in fuel choices offers flexibility in regions where natural gas might be more economical or preferable due to its cleaner burning properties. Additionally, the generator’s design facilitates easy installation and maintenance.

This generator has several features for enhancing user experience and safety, including an automatic start and an intuitive control panel. Natural gas use also reduces the frequency of refueling, a significant convenience during extended outages. Overall, the Generac 24000W offers a powerful and reliable solution for whole house power needs.


  • Dual fuel capability with natural gas and LP gas
  • High power output for comprehensive home coverage
  • Automated operation with transfer switch integration
  • User-friendly controls and easy maintenance
  • Renowned brand reliability and quality


  • Higher initial investment cost

2. A-iPower SUA12000E 12000 Watt Portable Generator

Best Whole House Generator

The A-iPower SUA12000E is a powerful portable generator that can be a strong backup power source for homes during outages. As one of the portable generators in the market, it offers the flexibility to be used in various locations, not just at home. With a substantial 12000-watt output, it can run multiple appliances and critical systems simultaneously.

Convenience is at the forefront of its design, with features such as an electric start and multiple outlets to connect various devices. Its portability allows it to be easily moved to the point of need, whether that’s within the home or at a remote site. This generator’s power source is gasoline, which is widely available, although it requires regular refueling.

Its robust construction is paired with safety features like overload protection, ensuring the generator operates within safe parameters. The A-iPower SUA12000E is a versatile option for those who need a reliable power source that deploys quickly and efficiently in various situations, including as a standby generator for the home.


  • High 12000-watt output for various uses
  • Portable design allows for multiple location use
  • Electric start for easy operation
  • Multiple outlets for convenience
  • Overload protection for safety


  • Requires regular refueling with gasoline

3. Champion Power Equipment 14Kw

Best Whole House Generator

Champion Power Equipment offers a 14Kw generator that is designed to be a reliable standby generator for residential use. Its 14Kw output is capable of powering essential home appliances and systems during an outage, ensuring that you maintain comfort level and functionality in your home. As a standby generator, it is permanently installed and operates automatically during power outages.

The generator is also designed to be quiet and unobtrusive, minimizing the disruption to your home environment. Its self-testing feature ensures that the generator is always ready for use, and it can be monitored remotely for added convenience. Champion’s model is engineered for durability and long-term reliability, making it a solid choice for whole house power needs.

Additionally, the generator’s design includes features that make maintenance straightforward, such as easily accessible oil and air filters. Champion Power Equipment’s 14Kw generator offers homeowners a dependable power source, with the added benefits of automated operation and ease of maintenance.


  • Automatic operation for convenience
  • Quiet performance for minimal disruption
  • Remote monitoring capabilities
  • Designed for durability and reliability
  • The self-testing feature ensures readiness


  • May require professional installation

4. DuroMax XP13000EH Dual Fuel Portable Generator

Best Whole House Generator

The DuroMax XP13000EH is a dual-fuel generator that stands as an impressive option among whole house generators. It can run on either gasoline or natural gas, offering flexibility in fuel choice according to availability or preference. With its 13000-watt output, the generator can handle the electrical needs of most homes, ensuring that your essential appliances and systems remain operational during a power outage.

This model is designed with versatility in mind, providing backup power not just for homes but also for job sites and recreational activities. Its natural gas capability is particularly beneficial as it allows for a cost-effective and cleaner burning power source. The DuroMax XP13000EH also features an electric start for easy operation and durable construction that is built to last.

Its portability adds to its appeal, allowing for easy transportation and placement where power is needed most. With a focus on safety, the generator includes features such as low oil shutoff and a built-in surge protector to safeguard against overloads. The DuroMax XP13000EH is a powerful and adaptable generator well-suited for comprehensive home power requirements.


  • Dual fuel capability with gasoline or natural gas
  • High 13000-watt output for whole house use
  • Portable design for versatility
  • Electric start and durable construction
  • Safety features like surge protection


  • Bulkier than some other models

5. EF ECOFLOW Solar Generator

Best Whole House Generator

The EF ECOFLOW Solar Generator stands out as a power source that prioritizes renewable energy. Unlike conventional whole house generators, this model offers an eco-friendly solution by harnessing solar power. It’s designed for those who seek a greener footprint without compromising on their power needs during outages or off-grid living.

With its portable design, the EF ECOFLOW Solar Generator can be a game-changer for outdoor enthusiasts or as an emergency power source. Its capacity to store and deliver electrical power efficiently makes it a valuable addition to any home, particularly for those in sunny regions.

Despite being less conventional than gas-powered units, this generator has carved out a niche in the market for those who prioritize sustainability and are willing to invest in solar panels to reap the long-term benefits of solar energy.


  • Environmentally friendly solar power source
  • Portable and versatile for various uses
  • Reduces reliance on fossil fuels
  • Quiet operation compared to traditional generators
  • Low maintenance requirements


  • Dependent on weather conditions
  • May have less power output than gas models

Buying Guide

An informed purchase decision hinges upon factors like price, user reviews, and brand reputation. Let’s learn more.


Price is a critical factor when selecting a whole house generator. Standby generators can be a significant investment, but their value is best assessed in terms of reliability and power outage protection. It’s essential to balance cost with features and longevity.

User Reviews

User reviews are invaluable for gauging the performance of standby generators. They offer insights into real-world experiences with natural gas efficiency, the dependability of limited warranties, and the overall satisfaction with generators on the market.


Quality in whole house generators is non-negotiable. It dictates longevity, efficiency, and safety. The sturdiness of an air-cooled generator or the reliability during continuous backup power usage are quality indicators to consider.

Power Source

The power source is a defining feature of standby generators. While many opt for natural gas due to its widespread availability, others prioritize portability with portable generators that offer varied fuel options.

Brand Reputation

Brand reputation is built on customer trust and product excellence. Standby generators from names like Briggs & Stratton are often synonymous with quality, while those seeking to power an air conditioner might look towards specific brands for optimized compatibility.

Weight and Capacity

The weight and capacity of a generator affect its installation and operation. Heavier units might offer more power but require a permanent location, whereas lighter models provide flexibility but might have limited capacity.

Frequently Asked Questions About Whole House Generators

Despite looking at the top contenders for best whole house generators, you might be left with some doubts. Users often have queries regarding the product’s performance and maintenance. So, we have answered the most frequently asked user questions for your convenience. This section will clear all your doubts regarding whole house generators.


Investing in the best whole house generator ensures that your home remains powered during outages, with top brands like DuroMax and Westinghouse providing reliable backup generators that become an indispensable part of your home’s resilience plan. Choosing the best whole house generator involves careful consideration of multiple factors to ensure uninterrupted power during outages. Follow our guide to help you through your buying journe

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