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Best Generator Brands of 2025 for Home Backup Power

Which generator brand meets your unique needs?
Explore our 2025 favorites!
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When power outages strike, a reliable generator keeps your home safe, comfortable, and connected. From whole-home standby systems to portable inverters and solar power stations, the right generator depends on your energy needs, home size, and local fuel availability.

The best generator brands of 2025 stand out for quality, technology, and durability. Modern homeowners value low noise, fuel efficiency, and smart monitoring systems that make operation simple.

Most homeowners spend $7,000 to $20,000+ for an installed standby system, while portable and solar generators typically range from $500 to $3,500, depending on capacity and features.

  • Best for Whole-Home Standby: Generac, Kohler, Cummins
  • Best for Quiet Portable Power: Honda, Yamaha
  • Best for Dual-Fuel Flexibility: Champion, DuroMax, Westinghouse
  • Best for Solar Energy Backup: EcoFlow, Jackery, Bluetti

Best Brands at a Glance

Best Generator Brands of 2025

Our selection of the Best Generator Brands of 2025 was determined through detailed research and expert evaluation by the Modernize team. Each brand was assessed for reliability, performance, and power quality, as well as product variety across standby, portable, and solar models. We also considered noise levels, fuel efficiency, safety technology, and warranty coverage. Cost, installation value, and service availability played an important role in ranking each brand to ensure homeowners can find dependable, long-lasting power solutions for their specific needs.
  1. Generac
  2. Kohler
  3. Honda
  4. Cummins
  5. Briggs & Stratton
  6. Champion
  7. Westinghouse
  8. Yamaha
  9. EcoFlow
  10. DuroMax
  11. Jackery
  12. Bluetti
1

Generac

5/5
  • Average Cost: Standby installed $8,500 to $19,000; portable $500 to $2,200
  • Products Offered: Standby, Portable, Inverter
  • Fuel Types: Natural Gas, Propane, Gasoline, Dual-Fuel
Best For: Whole-home standby power and smart monitoring

What We Love

Generac remains the go-to choice for whole-home backup power. The Guardian Series offers automatic standby protection, seamless transfer switches, and remote monitoring for real-time updates. Portable and inverter models extend the brand’s reliability to small homes and outdoor use.

We rate it 5 stars for proven dependability, technology integration, and overall value.

Cost Information

  • Standby Generators Installed: $8,500 to $19,000+
  • Portable Models: $500 to $2,200
  • Transfer Switches and Setup: $1,000 to $2,500

Regional labor and permit costs may increase installation totals. Generac provides financing and extended maintenance plans for long-term coverage.

Best Series

The Generac Guardian Series offers dependable, fully automatic standby protection with Wi-Fi monitoring and load management.

Wide product range for any home
Smart Wi-Fi and app controls
Large national dealer network
Premium pricing for standby models
Can be noisy under full load
Requires professional installation
2

Kohler

5/5
  • Average Cost: Standby installed $9,500 to $20,000+
  • Products Offered: Standby (Residential and Light Commercial)
  • Fuel Types: Natural Gas, Propane
Best For: Premium whole-home standby systems

What We Love

Kohler generators provide quiet, reliable power with premium components designed for longevity. They’re built to withstand severe weather and feature rapid transfer capabilities that minimize downtime during an outage.

We rate it 5 stars for durability, design quality, and exceptional customer support.

Cost Information

  • Installed Standby Units: $9,000 to $20,000+
  • Permitting and Fuel Setup: $1,000 to $3,000
  • Annual Service Packages: $300 to $600

Kohler units carry a standard 5-year warranty, with optional extended coverage and maintenance plans through certified dealers.

Best Series

The Kohler 20–26kW Standby Generator Series delivers robust, quiet, whole-home protection with corrosion-resistant housing.

Heavy-duty weather-resistant design
Fast, automatic power transfer
Excellent service and warranty
Higher upfront cost
Limited portable options
Installation must be dealer-managed
3

Honda

5/5
  • Average Cost: Inverter $900 to $2,600
  • Products Offered: Portable, Inverter
  • Fuel Types: Gasoline
Best For: Ultra-quiet, long-lasting inverter power

What We Love

Honda generators are the gold standard for portable reliability. Renowned for ultra-quiet operation, their inverters provide safe, clean power for sensitive electronics, medical devices, and home essentials.

We rate it 5 stars for durability, quiet performance, and best-in-class engineering.

Cost Information

  • Compact Units: $900 to $1,400
  • Mid-Range Inverters: $1,600 to $2,600
  • Maintenance Accessories: $100 to $300 per year

While priced at a premium, Honda units last 10 to 20 years with proper care. They also hold resale value and have nationwide service coverage.

Best Series

The Honda EU2200i Inverter Series delivers whisper-quiet, clean power perfect for households, RVs, and off-grid use.

Industry-leading quiet operation
Low fuel consumption
Outstanding long-term reliability
Higher initial price
Limited wattage range for large loads
Few dual-fuel options
4

Cummins (Onan Home Standby)

4.5/5
  • Average Cost: Standby installed $9,000 to $21,000
  • Products Offered: Standby, RV
  • Fuel Types: Natural Gas, Propane, Diesel
Best For: Quiet, utility-grade performance

What We Love

Cummins applies industrial generator expertise to residential models with the QuietConnect™series. Its low noise levels, automatic load management, and long-life engine design make it ideal for large homes or rural installations.

We rate it 4.5 stars for engineering quality, noise control, and performance.

Cost Information

  • Installed Standby Units: $9,000 to $21,000
  • Diesel Systems: $12,000 to $25,000+
  • Annual Maintenance: $300 to $600

Cummins units deliver commercial-level reliability with low vibration and long-term fuel efficiency. Diesel models require more frequent servicing but offer unmatched longevity.

Best Series

The Cummins QuietConnect™ Standby Series provides low-noise, utility-grade performance for reliable, automatic home power.

Exceptionally quiet operation
Commercial-grade engineering
Strong U.S. service network
Higher initial investment
Limited consumer models
Diesel refueling may be restrictive
5

Briggs & Stratton

4.5/5
  • Average Cost: Standby installed $8,000 to $18,000; portable $500 to $1,500
  • Products Offered: Standby, Portable, Inverter
  • Fuel Types: Gasoline, Propane, Natural Gas
Best For: Affordable standby power and versatility

What We Love

Briggs & Stratton pairs solid performance with affordability, offering standby and portable solutions backed by a century of engine innovation. Homeowners benefit from broad power options and user-friendly controls that ensure reliable backup during extended outages.

We rate it 4.5 stars for dependability, accessibility, and practical value.

Cost Information

  • Standby Systems Installed: $8,000 to $18,000
  • Portable Models: $500 to $1,500
  • Annual Service Plans: $150 to $300

Prices depend on size and power configuration. Its Symphony® II load management ensures efficient energy distribution during power shortages.

Best Series

The Briggs & Stratton Symphony® II Series optimizes energy use, keeping essential circuits running even during full-home outages.

Solid value for large homes
Load management technology
Good nationwide service coverage
Smart apps less intuitive
Not as quiet as premium brands
Design lacks aesthetic refinements
6

Champion Power Equipment

4.5/5
  • Average Cost: Portable/inverter $450 to $1,400; home standby $7,500 to $14,000 (unit only)
  • Products Offered: Portable, Inverter, Standby (select models)
  • Fuel Types: Gasoline, Propane, Dual-Fuel
Best For: Dual-fuel flexibility and value

What We Love

Champion Power Equipment is a household name for reliable, affordable dual-fuel generators. The brand offers a balanced mix of features, including CO-sense shutoff and cold-start technology, making it a strong performer in emergency situations.

We rate it 4.5 stars for affordability, innovation, and fuel efficiency.

Cost Information

  • Portable Generators: $450 to $1,400
  • Home Standby Systems: $7,500 to $14,000
  • Transfer Switch Installation: $900 to $2,000

Champion’s generators require minimal maintenance and are easy to fuel-switch during prolonged outages, offering long-term savings.

Best Series

The Champion Dual-Fuel Inverter Series combines portability, safety, and clean energy output for reliable home and RV backup power.

Excellent price-to-performance ratio
Dual-fuel versatility
Dual-fuel versatility
Heavier than premium brands
Higher noise under load
Limited app connectivity

Compare top-rated generators pros in your area.

Read real homeowner reviews, explore qualifications, and view promotions. Modernize makes it easy to browse professionals and find one that will be perfect for your project.

7

Westinghouse

4.5/5
  • Average Cost: Portable/inverter $400 to $1,300
  • Products Offered: Portable, Inverter
  • Fuel Types: Gasoline, Dual-Fuel
Best For: Reliable, feature-rich portable generators

What We Love

Westinghouse is a long-standing American brand known for dependable and budget-friendly generators. Its portable and inverter models deliver consistent, quiet operation and low emissions, making them a top choice for homes, RVs, and light emergency use.

We rate it 4.5 stars for affordability, performance, and clean power delivery.

Cost Information

  • Inverter Models: $400 to $1,000
  • Dual-Fuel Options: $600 to $1,300
  • Optional Transfer Kits: $300 to $700

Installation costs are minimal for portable models, though adding a transfer switch can significantly improve safety and convenience for home use.

Best Series

The Westinghouse iGen Inverter Series offers quiet, efficient power with remote start, dual-fuel capability, and built-in CO-sense safety technology.

Strong safety features including CO-sense
Clean, low-THD output for electronics
Great value for price and features
Limited availability for parts in some areas
Fewer commercial-grade options
Slightly higher fuel use under heavy load
8

Yamaha

4.5/5
  • Average Cost: Inverter $850 to $2,200
  • Products Offered: Portable, Inverter
  • Fuel Types: Gasoline
Best For: Quiet, efficient, and compact generators

What We Love

Yamaha’s inverters rival Honda in performance, with ultra-quiet operation and long runtimes. Designed for efficiency, these units are ideal for smaller homes, apartments, and backup during moderate outages.

We rate it 4.5 stars for reliability, fuel efficiency, and quiet operation.

Cost Information

  • Compact Inverters: $850 to $1,200
  • Larger Units: $1,400 to $2,200
  • Maintenance Costs: $100 to $200 annually

Yamaha generators require little upkeep, and their low emissions make them eco-friendly. They’re perfect for homeowners prioritizing quiet, efficient operation.

Best Series

The Yamaha EF2200iS Series provides long runtime, quiet performance, and efficient power for small to mid-size household needs.

Lightweight and portable
Fuel-efficient for long runtimes
Low emissions and noise
Limited dual-fuel options
Smaller wattage capacities
Higher price than some rivals
9

EcoFlow

4.5/5
  • Average Cost: $800 to $3,500+
  • Products Offered: Solar Generators, Smart Panels
  • Fuel Types: Solar, Battery, Grid Charging
Best For: Smart, fast-charging solar power systems

What We Love

EcoFlow leads the solar generator category with its smart ecosystem of battery storage, solar panels, and home power integration. Perfect for eco-conscious homeowners, these systems provide clean, maintenance-free power for essentials during outages.

We rate it 4.5 stars for innovation, sustainability, and modern design.

Cost Information

  • Generators: $800 to $2,500
  • Solar Panel Bundles: $1,500 to $3,500+
  • Expansion Batteries: $1,000 to $2,000

Prices vary by capacity and home integration level. EcoFlow units can pair with your main panel for automatic circuit backup.

Best Series

The EcoFlow DELTA Pro Series offers expandable battery capacity, lightning-fast charging, and smart home integration for reliable off-grid energy.

Fast recharge times
Expandable battery options
App-based monitoring
High upfront cost
Limited total wattage capacity
Dependence on sunlight for recharging
10

DuroMax

4/5
  • Average Cost: Portable/inverter $450 to $1,500
  • Products Offered: Portable, Inverter
  • Fuel Types: Gasoline, Propane, Dual-Fuel
Best For: High-power dual-fuel portables

What We Love

DuroMax offers heavy-duty, dual-fuel power at a competitive price. Ideal for large appliances or partial home backup, these generators provide rugged dependability and long runtimes for emergency preparedness.

We rate it 4 stars for power, versatility, and value-driven design.

Cost Information

  • Portable Units: $450 to $1,500
  • Dual-Fuel Models: $700 to $1,200
  • Transfer Switch Installation: $800 to $1,800

Fuel flexibility helps reduce long-term costs, while high surge power supports larger loads like HVAC systems or sump pumps.

Best Series

The DuroMax XP Dual-Fuel Series delivers high-output, dual-fuel power with durable construction for homes and worksites.

Impressive wattage output
Dual-fuel flexibility
Durable build for long-term use
Louder than inverter competitors
Heavier units
Service availability varies by region
11

Jackery

4/5
  • Average Cost: $600 to $2,500
  • Products Offered: Solar Power Stations, Solar Panels
  • Fuel Types: Solar, Battery
Best For: Lightweight solar backup solutions

What We Love

Jackery is a trusted name in portable solar generators, offering reliable, user-friendly options for small household devices and emergency backup. Their lightweight designs make setup easy, with flexible solar panel configurations for extended use.

We rate it 4 stars for convenience, accessibility, and everyday practicality.

Cost Information

  • Solar Power Generators: $600 to $2,000
  • Solar Panel Kits: $800 to $2,500
  • Battery Expansions: $400 to $1,000

Jackery’s kits include everything needed for plug-and-play power. Perfect for apartments, condos, and smaller homes.

Best Product

The Jackery Explorer 2000 Pro delivers quiet, zero-emission solar power for essential appliances and mobile living.

Compact and easy to transport
Quiet and emission-free
Affordable entry-level solar systems
Limited storage for high-power appliances
Slower recharge than premium brands
Not intended for full-home use
12

Bluetti

4/5
  • Average Cost: $700 to $3,200
  • Products Offered: Solar Generators and Solar Power Stations
  • Fuel Types: Solar, Battery
Best For: Large-capacity, long-life solar storage

What We Love

Bluetti stands out for its large-capacity, expandable solar systems ideal for multi-day outages. Its advanced LiFePO₄ battery chemistry offers excellent longevity, making it a future-proof option for sustainable home energy storage.

We rate it 4 stars for battery life, versatility, and scalability.

Cost Information

  • Solar Kits: $1,000 to $3,000
  • Modular Expansion Systems: $1,500 to $3,200
  • Power Stations: $700 to $2,500

While heavier and more expensive upfront, Bluetti units can sustain full-home essentials longer than most portable power stations.

Best Series

The Bluetti Apex300 Series provides expandable, high-capacity power with long-lasting LiFePO₄ batteries for off-grid and emergency backup use.

High capacity and modular expandability
Long-lasting LiFePO₄ batteries
Powerful inverter outputs
Heavy for transport
Longer charge time at full capacity
More complex setup for new users

Generator Installers to Consider

Whole-home standby systems need pro sizing, electrical work, gas plumbing, permits, and ongoing service. Start with reputable installers who specialize in residential backup power.

  • Authorized Generac, Kohler, and Cummins dealer networks: Local site surveys and turnkey installs

  • Licensed electricians with transfer-switch experience: Essential-circuits integration and code compliance

Pro tip: Ask about load calculations, transfer switch type (manual vs. automatic), fuel line sizing, setback rules, remote monitoring, and annual service plans before you sign.

Frequently Asked Questions About Generator Brands

What is the most reliable generator brand for whole-home backup?

Generac and Kohler are the most trusted for standby systems. Both offer automatic power transfer, remote monitoring, and comprehensive warranties for long-term use.


How much does it cost to install a standby generator?

Professional installation costs for a standby generator typically range from $7,000 to $20,000+, depending on size, fuel source, permits, and electrical complexity. Always get multiple quotes from licensed installers.


Which generator brands are the quietest?

Honda and Yamaha lead in quiet operation, with inverter models averaging 48 to 57 decibels, quieter than normal conversation.


What’s the best generator for solar or eco-friendly power?

EcoFlow, Jackery, and Bluetti offer renewable, maintenance-free solar generator systems that provide clean power for sensitive electronics and small household appliances.


Which brands offer the best warranties?

Kohler, Generac, and Cummins all provide 5- to 10-year limited warranties on their residential standby models, covering parts and labor.


Are dual-fuel generators worth it?

Yes — brands like Champion, DuroMax, and Westinghouse offer flexibility between propane and gasoline, helping extend runtime and manage fuel shortages during storms.


What fuel type is best for standby generators?

Natural gas is the most convenient for homes with utility access, while propane offers longer shelf life and cleaner emissions.


How often do generators need maintenance?

Most require annual servicing or every 100 to 200 operating hours, including oil changes, spark plug replacements, and filter inspections.


Can solar generators power an entire home?

High-capacity systems like Bluetti Apex300 or EcoFlow DELTA Pro can support essential circuits, but full-home solar power typically requires battery banks and a transfer setup.


How do I choose the right size generator?

Add up the wattage of your essential appliances, then choose a model with at least 20% to 25% extra capacity. For whole-home coverage, a licensed installer can perform a load calculation.


You can use our generator size calculator worksheet to estimate your needs as well.


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