Generac 7039 Guardian Series 20kW/18kW Air Cooled Home Standby Generator with Whole House 200 Amp Transfer Switch (not CUL)


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Generac 7039 Guardian Series 20kW/18kW Air Cooled Home Standby Generator with Whole House 200 Amp Transfer Switch (not CUL)


  • True Power Technology delivers best-in class power quality (less than 5% THD) for smooth operation of sensitive electronics and appliances
  • Includes a 200 Amp NEMA 3 (indoor / outdoor rated) whole house smart transfer switch
  • Generac's Evolution Controller features LED indicators for generator status, utility power presence or maintenance required
  • Tough, durable all-weather aluminum enclosure offers 3 removable sides for easy access for installation, service and maintenance
  • Battery Not Included. Generac battery model 5819 sold separately.


See User Reviews And Ratings On Amazon


More Home Generators To Choose From

Westinghouse WGen7500 Portable Generator with Remote Electric Start - 7500 Rated Watts & 9500 Peak Watts - Gas Powered - CARB Compliant - Transfer Switch Ready
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Westinghouse WGen7500 Portable Generator with Remote Electric Start - 7500 Rated Watts & 9500 Peak Watts - Gas Powered - CARB Compliant - Transfer Switch Ready
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  • Plug-and-Play: Comes with a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a User's Manual to Get You Started Right Out of the Box (Minimal Assembly Required)
  • Powered by a 420cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve with Automatic Low Oil Shutdown and Digital Hour Meter. Noise Level-72 dBA
Generac 70432 Home Standby Generator Guardian Series 22kW/19.5kW Air Cooled with Wi-Fi and Transfer Switch, Aluminum
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Generac 70432 Home Standby Generator Guardian Series 22kW/19.5kW Air Cooled with Wi-Fi and Transfer Switch, Aluminum
  • 5-Year limited Warranty for automatic standby generators.
  • Up to whole house protection with the 200 Amp, NEMA 3R (aluminum outdoor enclosure) smart switch
  • Smart, User-friendly controls. Generac’s evolution controller features a multilingual LCD display that allows you to Monitor Battery status and track maintenance intervals to ensure your generator is always in top operating condition.
Champion Power Equipment 76533 4750/3800-Watt Dual Fuel RV Ready Portable Generator with Electric Start
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Champion Power Equipment 76533 4750/3800-Watt Dual Fuel RV Ready Portable Generator with Electric Start
  • Dual Fuel: Operate your 3800-watt portable generator right out of the box on either gasoline or propane, plus the unit holds 0.6-quarts of oil (included) and has a low oil shut-off sensor
  • Electric Start: Power up the 224cc Champion engine with the handy toggle switch, battery included
  • Intelligauge: Keep track of voltage, hertz and run-time hours to easily monitor power output and track maintenance intervals. Dimensions-26.3 x 24.8 x 22.9 inches
DuroMax XP12000EH Dual Fuel Electric Start Portable Generator, Blue and Black
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DuroMax XP12000EH Dual Fuel Electric Start Portable Generator, Blue and Black
  • POWERFUL DUROMAX ENGINE: The XP12000EH is Powered by a DuroMax 18HP, 457cc DuroMax OHV Engine
  • PLENTY OF POWER: With 12,000 starting watts and 9,500 running watts, this unit can handle heavy loads from lights and a refrigerator to a home air conditioner and high amperage power tools
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Durostar DS4000S Portable Generator, Yellow/Black
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Durostar DS4000S Portable Generator, Yellow/Black
  • POWERFUL DUROSTAR ENGINE: The DS4000S is powered by a DuroStar 7 HP 208cc OHV engine with automatic low oil shutoff; Fuel Capacity: 3.96 Gallons; Noise Level: 69dB
  • PLENTY OF POWER: With 4,000 peak watts and 3,300 running watts, this unit is a workhorse that provides plenty of power to handle multiple jobs from powering high voltage appliances to heavy duty power tools
  • POWERING EVERYONE ANYWHERE: Like all DuroStar generators, the DS4000S is EPA and CARB approved for use in all 50 states

Last update on 2020-09-24 PST / Affiliate links / Images from Amazon Product Advertising API

Types Of Home Generators


Back up energy is very important not just in business establishments but also in houses. This can be in particular so if folks are experiencing man-made or organic calamities and have no way of preventing energy shortage.

During these unfortunate occasions, people today need a source of vitality to energy up appliances or furniture that is vital in working their family. Examples of those are heaters to warm the dwelling in winter instances, air conditioning for summertime occasions and naturally, oven and other cooking appliances for foods assistance.

Generators are critical for the reason that folks have no means of figuring out how extended the electrical power will probably be down. If you'd like to make certain that your house will stay in the fantastic and steady ailment, you'll want to have back up vitality in order and able to use at any time.

What are the two types of back up generators?

Portable Generators


This is actually the most cost-effective generator that is capable of supplying back up vitality. Portable generators are the most commonly used in properties or household. Appliances that necessary electrical power supply are plugged directly into this generator. This is certainly accomplished employing wires along with other cords that are applicable to your appliances.

A lot of of these variety of generator by now has advance attributes such as the prevent or begin button which people today can use to be ready to conserve up to the energy they may be needing for some time.

Moveable generators also have unique forms depending on the volt specification that you are applying in your home. You can have the ability to pick out from 120 as much as 240 volts capability.

One of the broadly used moveable generators could be the one that may be gasoline-powered. People today choose this kind of generator as it costs much less compared to another type. You can find even these that run on diesel or maybe a mixture of each.

Considered one of the downside to this is that it can't be utilized for longer time. Individuals should refill and refuel this generator usually to get in a position to lengthen its energy assistance. On top of that, diesel powered generators are much more expensive. Even though it is far more efficient and with supplies that are easy to search out, you may uncover it tough to get started in cold seasons.

Permanent Home Generators


Long term generators are programmed to be turned on immediately within the specified time after electrical power loss. These generators are connected for the wiring method inside the home. That is why it is going to start out on its own whether there is certainly no one current within the residence all through black out. Furthermore, it has the capability to shut down on its own after electrical power is restored.

This sort of generator is powered by normal gases. The type of gas that you are applying to electrical power a number of the appliances at your house can also be utilized to power this generator.

The decision of everlasting generator will rely on how the property owners plan to use it. In case you should power up extra than the needed appliances, then you definitely can select long lasting generators that have a lot more than 17,000 watts capability.

These kinds are usually additional highly-priced than transportable generators. But with all its capacity, the first funds spent will likely be really worth it when you see the kind of back up power it'll offer after you need it probably the most.

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