20 kW Aluminum Air-Cooled Standby Generator Model 5875

Installed Generac Generator 20KW
The NEW Guardian 20 kW standby generator provides the quietest, cleanest and most affordable whole house power outage protection on the market. The aluminum enclosure ensures corrosion resistance for the generator's weather-proof housing as the stylish fascia trims out its industrial design. It comes standard with the PowerManager® LTS automatic transfer switch that prevents overload while eliminating the need to add a separate service disconnect when backing up the entire house. For extra convenience, this model has a digital control panel, external main circuit breaker, system status LED and maintenance interval LED as well as an external GFCI outlet for outdoor power needs.

Convenient, Hands-Free Operation
No fueling. No manual start. No extension cords. Runs on natural gas or liquid propane

Clean, Smooth Power
True Power™ Technology provides safe operation of sensitive electronics

Powerful Output
Highest power output in its class

Quietest, Confident Operation
Patented Whisper Test™ feature makes the 20kW model as quiet as a car at idle during the weekly self-testing cycle

Easiest Installation
Simple, pre-packaged system

PowerManager LTS transfer switch
Provides whole house protection by managing essential and non-essential circuits

Generac OHVI® Industrial Engine
The only air-cooled engine designed specifically for generators
Ultimate Weather Protection
Aluminum enclosure for superior corrosion resistance

Base Fascia
Matching trim piece finishes off the new design

UL Listed
For safety and certified power ratings

*most kitchens require multiple circuits
**May not start all brands or models of central air conditioners. Make sure the surge capability (Amps) of the generator is greater than the LRA listed on the data plate of the A/C before purchasing.

Generator Set
Model Number 5506
Rated Power (LP / NG) 20/18 kW
Rated Amps @ 60 Hz
240 V, 1Ø (LP / NG) 83.3/75
Surge Watts - 240V, 1 Ø 35,470
Surge Amps 147
Engine (Generac OHVI) 999cc /
V-Twin
Alternator RPM 3600
Enclosure Aluminum
Whisper Test Yes
Sound Level (dBA @ exercise) 60
(dBA @ normal operation) 66
Dimensions (L" x W" x H") 48x24x28
Compatible Transfer Switches 200 Amp Load Shedding / SE
Weight 451
Price  
Full Spec Sheet Spec Sheet