Head to head

Generac Guardian 26kW vs Briggs & Stratton PowerProtect 26kW

Generac Guardian 26kW

Generac · Home Standby Generator

Generac Guardian 26kW

~$6,849

26,000 W · up to whole home with central air

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Briggs & Stratton PowerProtect 26kW

Briggs & Stratton · Home Standby Generator

Briggs & Stratton PowerProtect 26kW

~$6,970

26,000 W · up to whole home with central air

Quick takeThe Generac Guardian 26kW lists about $121 lower; the Briggs & Stratton PowerProtect 26kW is quieter at 65 dB.

SpecGenerac Guardian 26kWBriggs & Stratton PowerProtect 26kW
Approx. price~$6,849~$6,970
TypeHome Standby GeneratorHome Standby Generator
FuelNG/LPNG/LP
Running / output watts26,000 W26,000 W
Starting / surge watts26,000 W26,000 W
Battery capacity——
Expandable to——
Noise67 dB65 dB
RuntimeContinuous (runs on home NG/LP supply); 26kW on LP, 22.5kW on NGContinuous (runs on home NG/LP supply); 26kW on LP, 24kW on NG
OutletsNone — hardwired via automatic transfer switch (7291 bundle adds 200A ATS)None — hardwired via automatic transfer switch (sold separately)
Fuel tank——
Weight518 lbs540 lbs
Transfer-switch readyYesYes
Warranty5-year limited10-year comprehensive

Highlighted cell is the better figure for that row.

Owner pros and cons

Generac Guardian 26kW

  • +26kW air-cooled tops the class for raw output
  • +Starts dual AC compressors with load management
  • +Costs far less than any liquid-cooled alternative
  • +Compact enclosure for the output — same pad as smaller units
  • +<5% THD with ±1% voltage regulation
  • −22.5kW on natural gas — a 3.5kW derate
  • −67 dB under load; not a small-lot-friendly machine
  • −Transfer switch extra on this SKU

Briggs & Stratton PowerProtect 26kW

  • +10-year comprehensive warranty, the longest in its class
  • +24kW on natural gas covers most whole-house loads
  • +65.5 kVA starting handles a 5-ton AC
  • +65 dBA, quietest of the PowerProtect line
  • +18-inch clearance to a building where code permits
  • +Certified for demand-response programs
  • −$6,970 excludes transfer switch, batteries and install
  • −540 lbs needs a proper pad and delivery plan
  • −Smaller installer and parts network than Generac
  • −Whole-house use still needs a load-management module on big homes