1. Generac Guardian Series 5875 20,000 Watt
Air-Cooled Liquid Propane/Natural Gas Powered
Standby Generator With Transfer Switch (CARB
Compliant)
Price :
CheckPrice
Average Customer Rating
4.1 out of 5
Product Feature
Convenient, hands-free operation with no fueling.q
No manual start. No extension cords. Runs on
natural gas or liquid propane.
Clean, smooth True Power Technology providesq
safe operation of sensitive electronics.
Patented Quiet-Test low speed exercise modeq
Includes 200 Amp automatic transfer switch forq
whole house protection
20,000 Rated Watts. CARB Compliant.q
Read moreq
Product Description
Experience fast-acting, automatic protection from power loss with the Generac Guardian Series 5875 20,000
Watt Air-Cooled Propane/Natural Gas Powered Automatic Standby Generator with Aluminum Enclosure. Ideal for
home use, this generator powers up automatically and within seconds of a power outage without the need for
any manual startup. Without any buttons to push or cords to plug in, an automatic standby generator starts up
by itself even when you're away! Featuring easy installation, it comes pre-wired and packaged with virtually
everything necessary to connect to your home's electrical system and existing LP or natural gas fuel supply, so
you can be protected the next time the lights go out.
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2. A 999cc Generac OHVI® Engine delivers
reliable performance with its long-life
design. View larger .
Standby generators power up
automatically within seconds of a power
outage to keep your family safe and
comfortable. View larger .
Hands-Free Automatic Operation
When the power goes out, this generator eliminates the trouble of dealing with a fuse box in a dark basement
or going outside in a storm to start a portable generator. After all LP or natural gas and electrical connections
are completed, the Generac 5875 is ready to run 24/7 and requires absolutely no manual operation, no fueling,
and no extension cords. The generator responds within seconds of power outages, so inconveniences like heat
or air conditioning loss and burst pipes or spoiled food are quickly avoided.
Initial setup is easy. The generator arrives pre-wired and equipped with the necessary installation gear: a 200
Amp service entrance rated transfer switch , an outdoor connection box, a flexible fuel line pigtail, and a
composite mounting pad. (Additional items and tools may be needed to complete the installation to meet local
codes. Consult a licensed professional for further details.)
The unit can be programmed to perform a weekly exercise at the time of your choice, so it will be ready for
continuous and reliable operation on a moment's notice. For convenience, it also offers clear, digital controls,
an at-a-glance status indicator, and an external GFCI outlet to accomodate your outdoor power needs.
Superior Technology for Secure Output, Quiet Operation, and Durability
Thanks to Generac's exclusive True Power Technology, this generator provides clean, continuous power, so
sensitive electronics and microchip appliances like laptops and HVAC equipment can be operated without the
worry that unexpected power surges bring. Also featuring Generac's patented Quiet-Test technology, this
generator is truly neighborhood-friendly: it's self-test mode is as hushed as an idling car to ensure that your
daily routine is unaffected.
The generator's aluminum enclosure offers superior corrosion resistance and is protected by Generac's
proprietary RhinoCoat system--a unique process that binds the paint to the metal surface for a long-lasting,
durable finish. This allows the generator to sit outdoors and withstand harsh weather conditions without
developing an unsightly appearance.
Like all Generac generators, this model is UL (Underwriters Laboratories) listed for safety.
Rugged, Worry-Free Design
The generator features the 999cc Generac OHVI® Engine, an exclusive air-cooled generator engine with a
high-performance design that can accommodate large electrical loads. The engine optimizes power to respond
swiftly to changing conditions. To add to your peace of mind, the engine requires routine maintenance only
once every two years, or after 200 hours of use.
This Generac generator meets CARB requirements. It requires a Group 26R 12-volt minimum 525 CCA battery
(sold separately).
What's in the Box
Generac Guardian Series 5875 20,000 Watt Air-Cooled Propane/Natural Gas Powered Automatic Standby
Generator with Aluminum Enclosure; 200 Amp NEMA 3R service entrance rated automatic transfer switch, base
fascia and composite mounting pad; installation guide and owner's manual.

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Find the Generac Generator That's Right for Your Needs
Generac Guardian Series Propane/Natural Gas Automatic Standby
Generators - Residential
KEY SERIES
FEATURES:
• True
Power™
technology
• Generac
OHVI®
engines
• Continuous
fuel -- runs
on natural
gas or LP
• 17-20 kW
models offer
exclusive
Quiet-Test™
self-test
feature
• UL Listed
for safety &
certified
power
ratings
Model #
Rated
Power
(Watts)
Enclosure
Type
Automatic
Transfer
Switch
CARB
Compliant
5870 8,000 Steel
100 Amp
NEMA 1
8 circuit load
center
Yes
5871 10,000 Steel
100 Amp
NEMA 1
10 circuit load
center
Yes
5872 14,000 Steel
100 Amp
NEMA 1
14 circuit load
center
Yes
5873 17,000 Steel
100 Amp
NEMA 1
16 circuit load
center
Yes
5874 17,000 Aluminum
100 Amp
NEMA 1
16 circuit load
center
Yes
5875 20,000 Aluminum
200 Amp
Nexus Smart
Switch
NEMA 3R
service rated
Yes
5887 20,000 Aluminum Not Included Yes
Generac Guardian Series Propane/Natural Gas Automatic Standby
Generators - Larger Residential/Commercial

4. KEY SERIES
FEATURES:
• Continuous
fuel - runs
on natural
gas or LP
• Powerful,
automotive
style
engines
• Exclusive
Quiet Test™
self-test
feature
• Clean,
consistent
power for
sensitive
electronics
• UL Listed
for safety &
certified
power
ratings
Model #
Rated
Power
(Watts)
Enclosure
Type
Transfer
Switch
CARB
Compliant
QT02516ANSX 25,000 Steel Not included Yes
QT03016ANSX 30,000 Steel Not included Yes
QT04524ANSX 45,000 Steel Not included No
QT042524ANSC 45,000 Steel Not included Yes
Generac Quiet Source Series Propane/Natural Gas Automatic Standby
Generators

5. KEY SERIES
FEATURES:
• Continuous
fuel - runs
on natural
gas or LP
• Quiet
operation
units with
automotive
style
engines that
operate at
lower speeds
• Aluminum,
all-weather
enclosures
for extra
corrosion
protections
• Exclusive
Quiet-Test™
self-test
feature
• Clean,
consistent
power for
sensitive
electronics
• UL Listed
for safety &
certified
power
ratings
Model #
Rated
Power
(Watts)
Enclosure
Type
Transfer
Switch
CARB
Compliant
QT02224ANAX 22,000 Aluminum Not included Yes
QT02724ANAX 27,000 Aluminum Not included Yes
QT03624ANAX 36,000 Aluminum Not included No
QT04842ANAX 48,000 Aluminum Not included No
Read more
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