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Compare the Generac Guardian Home Standby Generators
Model # Watts Cooling Fuel Type Rated Amps Transfer Switch Enclosure Mounting Pad Weight/Dimensions (lb/in) Documents
5837Current Price:  $1,861.00 6,000Rated Watts when running on Natural Gas.
7,000Rated Watts when running on LP/Propane.
Air Cooled Natural Gas/LP 25 Amps @ 240 Volts (Single Phase) 50A 7 CircuitPre-Wired Circuits: (5)-15A/120V, (1)-20A/120V, (1)-30A/240V Steel Composite (Included) 250
24.4Lx30.2Wx33H
Spec Sheet
6237Current Price:  $2,349.00 7,000Rated Watts when running on Natural Gas.
8,000Rated Watts when running on LP/Propane.
Air Cooled Natural Gas/LP 33 Amps @ 240 Volts (Single Phase) 100A 10 CircuitPre-Wired Circuits: (3)-15A/120V, (3)-20A/120V, (1)-20A/240V, (1)-30A/240V Steel Composite (Included) 350
48Lx25Wx29H
Spec Sheet
6245Current Price:  $2,149.00 7,000Rated Watts when running on Natural Gas.
8,000Rated Watts when running on LP/Propane.
Air Cooled Natural Gas/LP 33 Amps @ 240 Volts (Single Phase) Sold Seperately Steel Composite (Included) 350
48Lx25Wx29H
Spec Sheet
5871Current Price:  $0.00 9,000Rated Watts when running on Natural Gas.
10,000Rated Watts when running on LP/Propane.
Air Cooled Natural Gas/LP 42 Amps @ 240 Volts (Single Phase) 100A 12 CircuitPre-Wired Circuits: (5)-15A/120V, (3)-20A/120V, (1)-30A/240V, (1)-40A/240V Steel Composite (Included) 387
48Lx25Wx29H
Spec Sheet
6438Current Price:  $2,939.00 10,000Rated Watts when running on Natural Gas.
11,000Rated Watts when running on LP/Propane.
Air Cooled Natural Gas/LP 46 Amps @ 240 Volts (Single Phase) 200A Generac SwitchIncludes a 200AMP RTSY200A3 Generac Smart Switch Steel Composite (Included) 387
48Lx25Wx29H
Spec Sheet
6241Current Price:  ERROR 13,000Rated Watts when running on Natural Gas.
14,000Rated Watts when running on LP/Propane.
Air Cooled Natural Gas/LP 58 Amps @ 240 Volts (Single Phase) 200A Generac SwitchIncludes a 200AMP RTSY200A3 Generac Smart Switch Steel Composite (Included) 439
48Lx25Wx29H
Spec Sheet
6242Current Price:  $3,694.00 16,000Rated Watts when running on Natural Gas.
17,000Rated Watts when running on LP/Propane.
Air Cooled Natural Gas/LP 71 Amps @ 240 Volts (Single Phase) 100A 16 CircuitPre-Wired Circuits: (5)-15A/120V, (5)-20A/120V, (1)-20A/240V, (1)-50A/240V, (1)-40A/240V Steel Composite (Included) 455
48Lx25Wx29H
Spec Sheet
6243Current Price:  $4,213.00 16,000Rated Watts when running on Natural Gas.
17,000Rated Watts when running on LP/Propane.
Air Cooled Natural Gas/LP 71 Amps @ 240 Volts (Single Phase) 200A Generac SwitchIncludes a 200AMP RTSY200A3 Generac Smart Switch Aluminum Composite (Included) 421
48Lx25Wx29H
Spec Sheet
6244Current Price:  $0.00 18,000Rated Watts when running on Natural Gas.
20,000Rated Watts when running on LP/Propane.
Air Cooled Natural Gas/LP 83 Amps @ 240 Volts (Single Phase) 200A Generac SwitchIncludes a 200AMP RTSY200A3 Generac Smart Switch Aluminum Composite (Included) 451
48Lx25Wx29H
Spec Sheet
6250Current Price:  $3,997.00 18,000Rated Watts when running on Natural Gas.
20,000Rated Watts when running on LP/Propane.
Air Cooled Natural Gas/LP 83 Amps @ 240 Volts (Single Phase) Sold Seperately Aluminum Composite (Included) 541
48Lx25Wx29H
Spec Sheet

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Generac 5837 Core Power Standby Generator
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Generac 5837 7,000/6,000 Watt Core Power Standby Generator w/ Composite Enclosure and 8 Circuit Transfer Switch

  • Choose your fuel, liquid propane or natural gas
  • Provides 7,000/6,000 Watts of power
  • Composite enclosure is weather-resistant, excellent for coastal areas
$1,861.00
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Generac 6237 Air Cooled Standby Generator
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Generac 6237 8,000/7,000 Watt Air Cooled Standby Generator w/ Steel Enclosure and 100 AMP EZ Switch

  • Generac's OHVI engine was designed specifically for generators. It out performs most competitive generator engines with an engine life that is three to four times longer and has a significantly longer period between scheduled maintenance checkups
  • TruePower Technology provides clean, smooth operation of sensitive electronics and appliances
  • Sturdy, galvanneal steel enclosure with RhinoCoatTM finish for superior weather protection, modeled to withstand 150 mph winds
$2,349.00
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Generac 6242 Air Cooled Standby Generator
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Generac 6242 17,000/16,000 Watt Air Cooled Standby Generator w/ Steel Enclosure 100A 16-Circuit Switch

  • Provides 17,000 watts (liquid propane) or 16,000 watts (natural gas)
  • Features plateau honed cylinder walls and plasma-moly rings
  • Automatic voltage regulator equipped for +/- 1% regulation
$3,694.00
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Generac 6243 Air Cooled Standby Generator
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Generac 6243 17,000/16,000 Watt Air Cooled Standby Generator w/ Steel Enclosure and 200 Amp Generac Smart Switch

  • Restores power to your entire electrical panel automatically
  • Digital Power Management (DPM) protects against overload
  • Generac Smart Switch PMM technology allows for the smart control of 2 air conditioners
$4,213.00
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Generac 6244 Generator + Switch + Battery + Cold Weather Kit
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Generac 6244 20/18k Generator + Switch + Battery + Cold Weather Kit

  • Package includes generator, smart switch, generator battery and battery warmer cold weather kit
  • Neighborhood-friendly QuietTest mode self tests quietly
  • Dual-line, tri-lingual LCD display provides easy monitoring and management of generator functions, including runtime and maintenance intervals
$4,861.00
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Generac 6244 Standby Generator + 200a Nema 3R Switch + Battery
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Generac 6244 20/18k Standby Generator + 200a Nema 3R Switch + Battery

  • Package includes generator, smart switch and generator battery
  • Neighborhood-friendly QuietTest mode self tests quietly
  • Dual-line, tri-lingual LCD display provides easy monitoring and management of generator functions, including runtime and maintenance intervals
$4,596.00
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Generac 6245 Air Cooled Standby Generator
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Generac 6245 8,000/7,000 Watt Air Cooled Standby Generator

  • Generac's OHVI engine is purpose-built for the rigors of generator use, and requires significantly fewer scheduled maintenance checkups than competitive engines.
  • True PowerTM Technology provides clean, smooth operation of sensitive electronics and appliances
  • RhinoCoatTM finish for superior weather protection to help prolong the life of your generator.
$2,149.00
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Generac 6250 Air Cooled Standby Generator
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Generac 6250 20,000/18,000 Watt Air Cooled Standby Generator

  • Generac's OHVI® engine was designed specifically for generators. It out performs competitive generator engines with an engine life that is three to four times longer and has a significantly longer period between scheduled maintenance checkups
  • Aluminum, all-weather enclosure prolongs the life of your generator with corrosion resistant protection from the elements. Recommended for salt-air, coastal locations. Base fascia standard,providing protection against debris and rodents and completing the stylish look of your generator
  • Simple field conversion from natural gas to LP
$3,997.00
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Generac 6437 Air Cooled Standby Generator
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Generac 6437 11,000/10,000 Watt Air Cooled Standby Generator w/ Steel Enclosure and 50A 12-Circuit Automatic Switch

  • Operates On Clean Burning, Efficient Natural Gas or LP (Vapor)
  • Features plateau honed cylinder walls and plasma-moly rings
  • Full pressure lubrication system w/ 2 year oil change interval
$2,839.00
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Generac 6438 Air Cooled Standby Generator
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Generac 6438 11,000/10,000 Watt Air Cooled Standby Generator w/ Steel Enclosure and 200 Amp Generac Smart Switch

  • Restores power to your entire electrical panel automatically
  • Digital Power Management (DPM) protects against overload
  • Generac Smart Switch DLM technology allows for the smart control of 2 air conditioners
$2,939.00
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Generac 6439 Air Cooled Standby Generator w/BisqueSteel Enc
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Generac 6439 11 kW Air Cooled Standby Generator w/BisqueSteel Enc

  • Unit runs on natural gas or liquid propane and features hands-free operation with no fueling, no manual start and no extension cords
  • Clean, smooth True Power Technology provides safe operation of sensitive electronics
  • 10,000 rated watts and this model is UL, CUL and EPA compliant for safety
$2,399.00
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Generac 6459 16KW Standby No ATS Steel Enc.
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Generac 6459 16KW 16KW Standby No ATS Steel Enc.

  • Operates On Clean Burning, Efficient Natural Gas or LP (Vapor)
  • Full pressure lubrication system w/ 2 year oil change interval
  • Automatic voltage regulator equipped for +/- 1% regulation
$3,029.00
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Generac 6461 Air Cooled Standby Generator
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Generac 6461 16,000 Watt Air Cooled Standby Generator w/ 100A 16 Circuit Switch and Steel Enclosure

  • Operates On Clean Burning, Efficient Natural Gas or LP (Vapor)
  • Full pressure lubrication system w/ 2 year oil change interval
  • Automatic voltage regulator equipped for +/- 1% regulation
$3,379.00
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Generac 6462 Air Cooled Standby Generator
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Generac 6462 16,000 Watt Air Cooled Standby Generator w/ 200A Service Disconnect and Steel Enclosure

  • Includes 200A Service Disconnect plus AC Shedding
  • Full pressure lubrication system w/ 2 year oil change interval
  • Operates On Clean Burning, Efficient Natural Gas or LP (Vapor)
$3,479.00
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Generac 6551 Aluminum Standby Generator w/ 200A Switch + AC Shedding
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Generac 6551 22kW Aluminum Standby Generator w/ 200A Switch + AC Shedding

  • Restores power to your entire electrical panel automatically
  • Digital Power Management (DPM) protects against overload
  • DPM technology allows for the smart control of 2 air conditioners
$4,599.00
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Generac 6552 Air Cooled Standby Generator w/ Grey Aluminum Enc
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Generac 6552 22kW Air Cooled Standby Generator w/ Grey Aluminum Enc

  • Restores power to your entire electrical panel automatically
  • Digital Power Management (DPM) protects against overload
  • DPM technology allows for the smart control of 2 air conditioners
$4,099.00
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Generac 6720 Air Cooled Standby Generator w/ Grey Aluminum Enc
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Generac 6720 11 kW Air Cooled Standby Generator w/ Grey Aluminum Enc

  • Unit runs on natural gas or liquid propane and features hands-free operation with no fueling, no manual start and no extension cords
  • Clean, smooth True Power Technology provides safe operation of sensitive electronics
  • 10,000 rated watts and this model is UL, CUL and EPA compliant for safety
$2,498.00
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Generac 6721 Air Cooled Standby Generator w/ Grey Aluminum Enc
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Generac 6721 11 kW Air Cooled Standby Generator w/ Grey Aluminum Enc

  • Operates On Clean Burning, Efficient Natural Gas or LP (Vapor)
  • Full pressure lubrication system w/ 2 year oil change interval
  • Automatic voltage regulator equipped for +/- 1% regulation
$3,139.00
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Generac 6729 Air Cooled Standby Generator w/ 200A Smart Switch + Steel Enc
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Generac 6729 20kW Air Cooled Standby Generator w/ 200A Smart Switch + Steel Enc

  • Generac OHVI Air-Cooled Engine features plateau honed cylinder walls and plasma moly rings
  • Full pressure lubrication system w/ 2 year oil change interval
  • Operates On Clean Burning, Efficient Natural Gas or LP (Vapor)
$4,409.00
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Generac 6730 Air Cooled Standby Generator w/ Bisque Steel Enc
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Generac 6730 20kW Air Cooled Standby Generator w/ Bisque Steel Enc

  • Generac OHVI Air-Cooled Engine features plateau honed cylinder walls and plasma moly rings
  • Full pressure lubrication system w/ 2 year oil change interval
  • Operates On Clean Burning, Efficient Natural Gas or LP (Vapor)
$3,909.00
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