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The 14 best diesel home generators of 2025

The 14 best diesel home generators of 2025

Updated: May, 08 2025

Damien Volkman
Damien Volkman

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In this September 2025 review, we explore the 14 best diesel home generators options available. Our expert analysis, led by Damien Volkman, ensures you find the perfect fit.

Westinghouse 28000 Peak Watt Home Backup Portable Generator, Remote Electric Start with Auto Choke, Transfer Switch Ready 30A & 50A Outlets, Gas Powered, CO Sensor,Blue
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The 14 best diesel home generators of 2025

best diesel home generators

Westinghouse 28000 Peak Watt Home Backup Portable Generator, Remote Electric Start with Auto Choke, Transfer Switch Ready 30A & 50A Outlets, Gas Powered, CO Sensor,Blue
Westinghouse 28000 Peak Watt Home Backup Portable Generator, Remote Electric Start with Auto Choke, Transfer Switch Ready 30A & 50A Outlets, Gas Powered, CO Sensor,Blue

4.2

$3,799.00
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Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered

4.7

$999.00
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view on amazonwestinghouseoutdoorpower.com

Pros

  • High Power Output

  • Dual Fuel Capability

  • Remote Electric Start

Cons

  • Heavy and Bulky

  • Noise Level

  • Higher Price Point

Westinghouse Outdoor Power Equipment 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
Westinghouse Outdoor Power Equipment 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered

4.8

$1,499.00
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DuroMax XP13000EH Dual Fuel Portable Generator 13000 Watt Gas or Propane Powered Electric Start-Home Back Up, Blue/Gray
DuroMax XP13000EH Dual Fuel Portable Generator 13000 Watt Gas or Propane Powered Electric Start-Home Back Up, Blue/Gray

4.4

$1,499.00
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Generac Guardian 10kW Home Standby Generator with 100 Amp Transfer Switch, Durable All Aluminum, WiFi Enabled with G-Force Engine, Easy to Use, Whole House Power Backup, Smart Outage Solution - Bisque
Generac Guardian 10kW Home Standby Generator with 100 Amp Transfer Switch, Durable All Aluminum, WiFi Enabled with G-Force Engine, Easy to Use, Whole House Power Backup, Smart Outage Solution - Bisque

4.2

$3,707.10
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Generac 6864 XD5000E 5000-Watt Diesel-Powered Portable Generator - Ideal for Emergency Backup Power and Job Sites - Reliable Power for Demanding Applications - CARB Compliant
Generac 6864 XD5000E 5000-Watt Diesel-Powered Portable Generator - Ideal for Emergency Backup Power and Job Sites - Reliable Power for Demanding Applications - CARB Compliant

3

$4,019.00
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WEN 11,000-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start (DF1100T)
WEN 11,000-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start (DF1100T)

4.5

$799.99
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DuroMax XP13000HX Dual Fuel Portable Generator - 13000 Watt Gas or Propane Powered - Electric Start w/ CO Alert, 50 State Approved, Blue
DuroMax XP13000HX Dual Fuel Portable Generator - 13000 Watt Gas or Propane Powered - Electric Start w/ CO Alert, 50 State Approved, Blue

4.5

$1,499.00
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Champion Power Equipment 4000-Watt RV Ready Portable Inverter Generator with Quiet Technology and CO Shield
Champion Power Equipment 4000-Watt RV Ready Portable Inverter Generator with Quiet Technology and CO Shield

4.7

$595.00
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WEN Quiet 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with Fuel Shut Off and CO Watchdog for Electric Vehicle Backup (DF680iX)
WEN Quiet 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with Fuel Shut Off and CO Watchdog for Electric Vehicle Backup (DF680iX)

4.6

$803.40
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Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered

4.8

$1,236.51
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Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered

4.8

$1,149.00
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Westinghouse 6500 Watt Dual Fuel Home Backup Portable Generator, Transfer Switch Ready 30A Outlet, RV Ready 30A Outlet, CO Sensor
Westinghouse 6500 Watt Dual Fuel Home Backup Portable Generator, Transfer Switch Ready 30A Outlet, RV Ready 30A Outlet, CO Sensor

4.6

$549.00
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Honda 664240 EU2200i 2200 Watt Portable Inverter Generator with Co-Minder
Honda 664240 EU2200i 2200 Watt Portable Inverter Generator with Co-Minder

4.8

$1,099.00
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Pros

  • Quiet Operation: Runs at 48-57 dBA, making it one of the quietest in its class—perfect for camping or residential use

  • Reliable Power: Delivers 2200 peak watts and 1800 rated watts, sufficient for small appliances, tools, and RV needs.

  • Fuel Efficiency: Up to 8.1 hours on a 0.95-gallon tank with Eco Throttle, ideal for overnight use.

  • Portability: Lightweight at 47 lbs with an ergonomic handle, easy to carry and store.

  • CO-Minder Safety: Carbon monoxide detection system shuts it down if CO levels rise, adding peace of mind.

  • Durability: Honda’s renowned build quality ensures long-term reliability with minimal maintenance.

  • Parallel Capability: Can be paired with another EU2200i for double the power (with optional kit).

Cons

  • High Price: Around $1,199, it’s pricier than many competitors offering similar wattage.

  • Recoil Start Only: Lacks an electric start, which may be an issue for some users.

  • Limited Outlets: Only one 20A 120V receptacle (no 30A without the Companion model), requiring adapters for some uses.

  • Small Fuel Tank: 0.95 gallons means more frequent refueling for extended runtime.

  • Oil Maintenance: Oil changes can be slightly messy or tricky without additional tools.

4.9

92 ratings

Damien Volkman
Damien Volkman

contributing writer

I can make anything run. From old motors to batteries to generators to generators to generators, I am your generator expert. (As if that wasn’t enough.) I’m able to repair or rebuild any part of your system. I also know the ins and outs of working with generators; I can make sure you are running smoothly. You can depend on me to get the job done right and get it done right the first time. Contributing Writer.

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