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Power Class Sizing Hub

5,000-Watt Class Generators (4,500W - 6,999W)

Verify Your Home Load Compare Class Leaders

Mid-size 5,000-watt backup generators produce 120V/240V split-phase power for manual transfer switches. They comfortably run well pumps, furnace blowers, refrigerators, and multiple household convenience circuits simultaneously.

Typical Household Loads Supported in this Wattage Class
240V 1/2 HP deep-well water pump (1,500W running)
Gas furnace blower fan and smart thermostats (600W)
Kitchen refrigerator plus chest freezer and home office circuits (1,000W)

Tested Models in this Power Band (13)

Validated under resistive and inductive motor loads
Dual-Fuel Score 9.3/10
Enclosed Inverter 1.2% THD
Honda : Honda GX390 EFI Closed-Loop Fuel-Injected OHV : Floating Neutral

Honda EU7000iS 7,000W Peak / 5,500W Running Fuel-Injected Ultra-Quiet Inverter

Best For: Ultra-reliable fuel-injected (EFI) quiet backup with whisper-quiet 52 dBA acoustic insulation.

Running / Surge 5,500W / 7,000W
Noise @ 23ft 52 dBA (Quiet)
Fuel & Runtime Gas EFI (18h)
Backup Outlet NEMA L14-30R
Power Purity <1.2% THD (Floating)
Weight & Mobility 261 lbs (Wheel Kit)
Lowest Verified Price
$5,199.00
$0.95 / Running Watt
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Dual-Fuel Score 8.6/10
Enclosed Inverter 2% THD
A-iPower : 322cc 4-Stroke OHV Copper-Wound Alternator : Floating Neutral

A-iPower GXS7100iRD 7,100W Peak / 5,700W Running Compact 240V Dual-Fuel Inverter

Best For: Homeowners wanting the lightest enclosed 240V dual-fuel inverter (129 lbs) for a 30A transfer switch.

Running / Surge 5,700W / 7,100W
Noise @ 23ft 60 dBA (Quiet)
Fuel & Runtime Gas EFI (12.5h)
Backup Outlet NEMA L14-30R
Power Purity <2% THD (Floating)
Weight & Mobility 129 lbs (Wheel Kit)
Lowest Verified Price
$1,149.00
$0.20 / Running Watt
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LFP Station Score 9.2/10
Enclosed Inverter 1.1% THD
Anker SOLIX : 3000Wh LiFePO4 EV-Grade Battery + Split-Phase Inverter : Floating Neutral

Anker SOLIX F3800 Plus 6,000W Running / 12,000W Surge High-Voltage Solar LiFePO4 Generator

Best For: Whole-home solar + gas generator hybrid backup with 30% IRS tax credit eligibility.

Running / Surge 6,000W / 12,000W
Noise @ 23ft 30 dBA (Quiet)
Fuel & Runtime 3.84kWh LFP
Backup Outlet NEMA 14-50R
Power Purity <1.1% THD (Floating)
Weight & Mobility 136 lbs (Wheel Kit)
Lowest Verified Price
$3,899.00
$0.65 / Running Watt
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LFP Station Score 9.1/10
Enclosed Inverter 1.2% THD
Anker SOLIX : 3000Wh LiFePO4 EV-Grade Battery + Split-Phase Inverter : Floating Neutral

Anker SOLIX F3800 6,000W Running / 9,000W Surge 120/240V Split-Phase Solar Battery Generator

Best For: Plug-and-play 6,000W 240V indoor home backup with built-in 14-50R and L14-30R ports.

Running / Surge 6,000W / 9,000W
Noise @ 23ft 30 dBA (Quiet)
Fuel & Runtime 3.84kWh LFP
Backup Outlet NEMA 14-50R
Power Purity <1.2% THD (Floating)
Weight & Mobility 132.3 lbs (Wheel Kit)
Lowest Verified Price
$3,299.00
$0.55 / Running Watt
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LFP Station Score 8.7/10
Enclosed Inverter 1.3% THD
Bluetti : 6000Wh LiFePO4 EV-Grade Battery + Split-Phase Inverter : Floating Neutral

Bluetti AC500 + 2x B300S 5,000W Running / 10,000W Surge Modular LiFePO4 Home Battery

Best For: Modular basement battery backup where lifting a single 150-lb unit is impractical.

Running / Surge 5,000W / 10,000W
Noise @ 23ft 32 dBA (Quiet)
Fuel & Runtime 6.14kWh LFP
Backup Outlet NEMA 14-50R
Power Purity <1.3% THD (Floating)
Weight & Mobility 145 lbs (Wheel Kit)
Lowest Verified Price
$4,299.00
$0.86 / Running Watt
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Tri-Fuel Score 8.6/10
Enclosed Inverter 1.9% THD
Firman : 338cc 4-Stroke OHV Copper-Wound Alternator : Floating Neutral

Firman WT05571 6,850W Peak / 5,500W Running Whisper Series Enclosed Tri-Fuel Inverter

Best For: Quiet 58 dBA 30-amp home transfer switches running on natural gas or propane.

Running / Surge 5,500W / 6,850W
Noise @ 23ft 58 dBA (Quiet)
Fuel & Runtime Gas/LPG/NG (13h)
Backup Outlet NEMA L14-30R
Power Purity <1.9% THD (Floating)
Weight & Mobility 146 lbs (Wheel Kit)
Lowest Verified Price
$1,399.00
$0.25 / Running Watt
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Dual-Fuel Score 8.5/10
Open-Frame Inverter 4.8% THD
Generac : 389cc Generac OHV Engine : Bonded Neutral

Generac GP6500 8,125W Peak / 6,500W Running Gas Generator with COsense

Best For: Whole-home backup resilience and jobsite power requiring dependable Bonded Neutral operation and clean electrical sine waves.

Running / Surge 6,500W / 8,125W
Noise @ 23ft 71 dBA (Open-Frame)
Fuel & Runtime Gas EFI (16h)
Backup Outlet NEMA L14-30R
Power Purity <4.8% THD (Bonded)
Weight & Mobility 177 lbs (Wheel Kit)
Lowest Verified Price
$899.00
$0.14 / Running Watt
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Dual-Fuel Score 8.5/10
Enclosed Inverter 2.2% THD
Genmax : 312cc 4-Stroke OHV Air-Cooled Engine : Floating Neutral

Genmax GM6000iED 6,000W Peak / 5,000W Running Dual-Fuel Inverter Generator

Best For: Whole-home backup resilience and jobsite power requiring dependable Floating Neutral operation and clean electrical sine waves.

Running / Surge 5,000W / 6,000W
Noise @ 23ft 62 dBA (Quiet)
Fuel & Runtime Gas EFI (11.5h)
Backup Outlet NEMA L14-30R
Power Purity <2.2% THD (Floating)
Weight & Mobility 118 lbs (Wheel Kit)
Lowest Verified Price
$999.00
$0.20 / Running Watt
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Dual-Fuel Score 8.5/10
Enclosed Inverter 2.3% THD
GENMAX : 312cc 4-Stroke OHV Copper-Wound Alternator : Floating Neutral

GENMAX GM7500aIED 7,500W Peak / 6,000W Running Enclosed 240V Dual-Fuel Inverter

Best For: 30-amp home transfer switches needing a lightweight 141-lb enclosed 240V dual-fuel inverter.

Running / Surge 6,000W / 7,500W
Noise @ 23ft 61 dBA (Quiet)
Fuel & Runtime Gas EFI (13.5h)
Backup Outlet NEMA L14-30R
Power Purity <2.3% THD (Floating)
Weight & Mobility 141.1 lbs (Wheel Kit)
Lowest Verified Price
$1,199.00
$0.20 / Running Watt
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Dual-Fuel Score 8.6/10
Open-Frame Inverter 2.8% THD
Honda : 389cc 4-Stroke OHV Copper-Wound Alternator : Floating Neutral

Honda EM6500S 6,500W Peak / 5,500W Running iAVR Commercial Home Backup Generator

Best For: Commercial-grade 30-amp home transfer switch and heavy jobsite motor starting.

Running / Surge 5,500W / 6,500W
Noise @ 23ft 64 dBA (Quiet)
Fuel & Runtime Gas EFI (11.2h)
Backup Outlet NEMA L14-30R
Power Purity <2.8% THD (Floating)
Weight & Mobility 230 lbs (Wheel Kit)
Lowest Verified Price
$3,299.00
$0.60 / Running Watt
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Dual-Fuel Score 8.8/10
Open-Frame Inverter 4.4% THD
Kohler : 429cc Kohler Command PRO 14 HP Engine : Bonded Neutral

Kohler PRO7.5 7,500W Peak / 6,300W Running Industrial Gas Generator

Best For: Whole-home backup resilience and jobsite power requiring dependable Bonded Neutral operation and clean electrical sine waves.

Running / Surge 6,300W / 7,500W
Noise @ 23ft 71 dBA (Open-Frame)
Fuel & Runtime Gas EFI (16h)
Backup Outlet NEMA 14-50R
Power Purity <4.4% THD (Bonded)
Weight & Mobility 198 lbs (Wheel Kit)
Lowest Verified Price
$1,499.00
$0.24 / Running Watt
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Dual-Fuel Score 8.6/10
Enclosed Inverter 1.8% THD
WEN : 240cc 4-Stroke OHV Copper-Wound Alternator : Bonded Neutral

WEN DF680iX 6,800W Peak / 5,100W Running 240V Dual-Fuel Enclosed Inverter

Best For: Sub-$900 enclosed 240V dual-fuel backup for 30-amp transfer switches and well pumps.

Running / Surge 5,100W / 6,800W
Noise @ 23ft 60 dBA (Quiet)
Fuel & Runtime Gas EFI (11.5h)
Backup Outlet NEMA L14-30R
Power Purity <1.8% THD (Bonded)
Weight & Mobility 115 lbs (Wheel Kit)
Lowest Verified Price
$899.00
$0.18 / Running Watt
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Tri-Fuel Score 8.4/10
Open-Frame Inverter 2.3% THD
Westinghouse : 420cc 4-Stroke OHV Copper-Wound Alternator : Bonded Neutral

Westinghouse iGen8200TFc 8,200W Peak / 6,600W Running Open-Frame Tri-Fuel Inverter

Best For: Mid-size 3-ton A/C homes needing a portable 144-lb tri-fuel inverter with 240V output.

Running / Surge 6,600W / 8,200W
Noise @ 23ft 65.5 dBA (Open-Frame)
Fuel & Runtime Gas/LPG/NG (14.5h)
Backup Outlet NEMA L14-30R
Power Purity <2.3% THD (Bonded)
Weight & Mobility 144 lbs (Wheel Kit)
Lowest Verified Price
$1,249.00
$0.19 / Running Watt
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Compare Other Wattage Classes

2,000-Watt (6) 3,500-Watt (15) 5,000-Watt (13) 7,500-Watt (19) 10,000-Watt (13) 12,000-Watt (4) 15,000-Watt+ (6)