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Whole House Generators

DuroMax XP13000EH dual fuel generator front view
SAVE 28%
SAVE $500.99
DuroMax XP13000EH 13000 Watt Portable Hybrid Gas Propane Generator
$1,299.00 $1,799.99
Yanmar 5500 Diesel Generator
SAVE 36%
SAVE $2,361.00
YANMAR 5500 WATT PORTABLE DIESEL GENERATOR YDG5500W-6EI
$4,138.00 $6,499.00
Ecoflow Delta Pro Ultra
SAVE 38%
SAVE $2,400.00
EcoFlow Delta Pro Ultra Solar Generator 7200Wh Portable Power Station...
$3,999.00 $6,399.00
Duromax XP13000HXT 13,000 Watt Tri Fuel Generator w/ CO Alert - AllProGenerators
SAVE 53%
SAVE $1,700.00
Duromax XP13000HXT 13,000 Watt Tri Fuel Generator w/ CO Alert
$1,499.00 $3,199.00
Ecoflow Delta Pro Ultra + 400W Solar Panel - AllProGenerators
SAVE 37%
SAVE $2,698.00
Ecoflow Delta Pro Ultra + 400W Solar Panel
$4,599.00 $7,297.00
Kubota GL11000TM 11000 Watt Lowboy II Series Industrial Diesel Generator w Output Terminals - AllProGenerators
SAVE 11%
SAVE $1,475.95
Kubota GL11000TM 11000 Watt Lowboy II Series Industrial Diesel Generator...
$11,524.00 $12,999.95
Kubota GL11000 11000 Watt Lowboy II Series Industrial Diesel Generator - AllProGenerators
SAVE 11%
SAVE $1,450.95
Kubota GL11000 11000 Watt Lowboy II Series Industrial Diesel Generator
$11,349.00 $12,799.95
Ecoflow Delta Pro Ultra Solar Generator with 400 Watt Solar - Rigid Panels - AllProGenerators
SAVE 10%
SAVE $700.00
Ecoflow Delta Pro Ultra Solar Generator with 440 Watt Solar...
$6,599.00 $7,299.00
Cummins RS20AC 20KW QUIET CONNECT Home Standby Generator - AllProGenerators
SAVE 20%
SAVE $1,835.73
Cummins RS20AC 20KW QUIET CONNECT Home Standby Generator
$7,163.27 $8,999.00
Jackery 5000 Plus Portable Power Station – 5040Wh, 7400W Output | AllProGenerators - AllProGenerators
SAVE 37%
SAVE $1,700.00
Jackery 5000 Plus Portable Power Station – 5040Wh, 7400W Output...
$2,899.00 $4,599.00
15,000 Watt Electric Start Tri - Fuel Portable Generator - AllProGenerators
SAVE 35%
SAVE $1,400.00
15,000 Watt Electric Start Tri-Fuel Portable Generator
$2,599.00 $3,999.00
Ecoflow Delta Pro UItra + Smart Home Panel 2 - AllProGenerators
SAVE 37%
SAVE $3,100.00
Ecoflow Delta Pro UItra + Smart Home Panel 2 Combo...
$5,299.00 $8,399.00
Kubota GL7000 7000 Watt Lowboy II Series Industrial Diesel Generator - AllProGenerators
SAVE 3%
SAVE $230.95
Kubota GL7000 7000 Watt Lowboy II Series Industrial Diesel Generator
$8,769.00 $8,999.95
Duromax XP13000HX Watt Dual Fuel Portable Generator with CO Alert - AllProGenerators
SAVE 36%
SAVE $800.00
Duromax XP13000HX Watt Dual Fuel Portable Generator with CO Alert
$1,399.00 $2,199.00
DuroMax XP7000iHT – 7,000W Tri Fuel Inverter Generator - AllProGenerators
SAVE 28%
SAVE $700.00
DuroMax XP7000iHT – 7,000W Tri Fuel Inverter Generator
$1,799.00 $2,499.00
Kubota GL7000TM 7000 Watt Lowboy II Series Industrial Diesel Generator w Output Terminals - AllProGenerators
SAVE 8%
SAVE $830.00
Kubota GL14000 LowboyPro Series Industrial Diesel Generator - AllProGenerators
SAVE 9%
SAVE $1,361.95
Kubota GL14000 LowboyPro Series Industrial Diesel Generator
$14,638.00 $15,999.95
EcoFlow DELTA Pro Ultra X - AllProGenerators
SAVE 20%
SAVE $2,000.00
EcoFlow DELTA Pro Ultra X
$7,999.00 $9,999.00
Wildcat 10kW Freedom Diesel Generator - AllProGenerators
SAVE 9%
SAVE $1,279.00
Wildcat 15kW Freedom Diesel Generator
$12,720.00 $13,999.00
EcoFlow Transfer Switch for DELTA PRO ULTRA - AllProGenerators
EcoFlow Transfer Switch for DELTA PRO ULTRA
$399.00
Duromax 16,000 Watt Dual Fuel Portable Inverter Generator w/ CO Alert - AllProGenerators
SAVE 17%
SAVE $1,000.00
Duromax 16,000 Watt Dual Fuel Portable Inverter Generator w/ CO...
$4,999.00 $5,999.00
Cummins 17kW Quiet Connect™ Series Home Standby Generator - RS17A - AllProGenerators
SAVE 14%
SAVE $850.00
Cummins 17kW Quiet Connect™ Series Home Standby Generator - RS17A
$5,349.00 $6,199.00
Maspower 13kW Yanmar Diesel Generator – 13kW Standby Power
SAVE 7%
SAVE $1,470.00
MASPOWER 13 KILOWATT DIESEL GENERATOR with Yanmar Engine
$18,399.00 $19,869.00
Briggs & Stratton 200A Automatic Transfer Switch (Model 071272) - AllProGenerators
SAVE 16%
SAVE $300.00
Briggs & Stratton 200A Automatic Transfer Switch (Model 071272)
$1,599.00 $1,899.00

Whole House Generators: Complete Backup Power for Your Home

A whole house generator is built to cover your home's full electrical load during an outage, not just a handful of essential circuits, which sets it apart from smaller portable units meant for partial or occasional backup. This category spans two fundamentally different approaches: fuel-powered standby generators that install permanently and start automatically, and large-capacity battery systems that store power silently and integrate with a home's panel through a dedicated backup interface. Our lineup includes standby units from Cummins, Briggs & Stratton, and Wildcat, industrial diesel systems from Kubota and Yanmar-powered Maspower units, and battery-based whole-home systems from EcoFlow and Anker.

Fuel-Powered Standby Generators

Cummins' Quiet Connect series, including the RS13A, RS17A, and RS20AC, along with the larger RS25 and RS30, covers residential standby needs from 13kW up through 30kW. Briggs & Stratton's PowerProtect DX line offers comparable 20kW, 25kW, and 26kW options. Wildcat extends further into commercial and heavy residential territory with the Freedom and Renegade series at 10 to 15kW, and the Roughneck line scaling all the way up to 100kW for larger properties or properties with substantial simultaneous load. Every unit in this category requires a matching automatic transfer switch and professional installation, since it connects directly to a home's electrical panel and fuel supply.

Industrial Diesel Options for Larger Properties

For properties needing continuous, heavy-duty output beyond typical residential standby ranges, Kubota's Lowboy II series (GL7000 through GL14000) and Yanmar-powered Maspower units (13kW up to 35kW) offer industrial-grade diesel reliability. These units are more commonly chosen for larger homes, working farms, or properties where a standard residential standby generator doesn't provide enough continuous capacity for the full electrical load.

Battery-Based Whole-Home Backup Systems

A newer alternative to fuel-based standby is the battery whole-home system, led by the EcoFlow Delta Pro Ultra paired with the Smart Home Panel 3, and the Anker SOLIX E10, rated from 6 to 90kWh and outdoor-rated for permanent installation. These systems store power rather than generating it on demand, recharging from solar panels or grid power, and integrate with a home's circuits similarly to how a fuel-based transfer switch works. The tradeoff versus a fuel generator is that runtime depends on stored capacity rather than continuous fuel supply, though pairing with solar panels can offset that during extended daylight outages.

Frequently Asked Questions

How many kW do I actually need for whole-house coverage?

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A fuel-based standby generator offers unlimited runtime as long as fuel supply, natural gas, propane, or diesel, continues, which makes it the stronger choice for very long outages. A battery system like the EcoFlow Delta Pro Ultra with Smart Home Panel runs silently with no exhaust and no fuel storage, but its runtime is capped by stored capacity unless recharged via solar or grid power. Buyers prioritizing multi-week resilience often lean fuel-based, while those prioritizing quiet, low-maintenance operation for shorter outages often lean battery-based.

Should I choose a fuel-based standby generator or a battery whole-home system?

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A fuel-based standby generator offers unlimited runtime as long as fuel supply, natural gas, propane, or diesel, continues, which makes it the stronger choice for very long outages. A battery system like the EcoFlow Delta Pro Ultra with Smart Home Panel runs silently with no exhaust and no fuel storage, but its runtime is capped by stored capacity unless recharged via solar or grid power. Buyers prioritizing multi-week resilience often lean fuel-based, while those prioritizing quiet, low-maintenance operation for shorter outages often lean battery-based.

Do I need a transfer switch for every type of whole house generator?

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Yes, both fuel-based standby generators and battery whole-home systems require a transfer switch or equivalent panel, like the EcoFlow Smart Home Panel or Anker SOLIX Power Dock, to safely integrate with your home's electrical system and switch between utility and backup power. This isn't an optional accessory in either category; it's what allows the system to detect an outage and route power to your circuits without manually rewiring anything during an emergency.

Does installing a whole house generator require permits or inspections?

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In most areas, yes. Standby generators connecting to gas lines and electrical panels typically require electrical and sometimes plumbing or gas permits, along with an inspection before the system can be legally operated. Battery whole-home systems connecting to a home's electrical panel through a smart panel generally require an electrical permit as well, even though there's no fuel line involved. Requirements vary by municipality, so checking with your local building department before installation avoids delays.

Why is there such a large price range across whole house generators?

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Price scales with both capacity and technology: a 13kW Cummins standby unit costs considerably less than a 30kW model or a 60kW Wildcat Roughneck, since larger units require more robust engines, alternators, and enclosures. Battery systems like the Delta Pro Ultra with Smart Home Panel also carry a wide price range depending on how much stored capacity and how many solar panels are included in the configuration. Rather than comparing price alone, it's worth comparing price against your home's actual coverage needs, since an undersized cheaper unit may not deliver true whole-house backup.

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