Generac 18 kW Standby Generator

Generac · GEN7259 + GENRXSW100A3CUL · SKU GEN-GEN-18KW

$14,999estimate · installed

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18 kW whole-home standby generator with a 100A service-rated transfer switch — room for a big load or two.

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On-site installation included

Licensed & insured team · ESA permits included

Same-week scheduling available

Manufacturer warranty: 5 years

1-year Copper Bee workmanship guarantee

What's included

In the box.

18 kW air-cooled generator
100A service-rated transfer switch
Whole-home automatic backup
Runs on natural gas or propane
Wi-Fi monitoring via Mobile Link
5-year limited warranty
Installation included

Before you buy

Important details.

Complete installation with 100A Serivce ATS and generator to be placed 15M away from the main panel

Fine print

Good to know.

Wiring only inlcuded up to 50ft, digging not included if required. ESA included, HYDRO NOT INCLUDED IF NOT FREE

The details

Everything you need to know.

Whole-home coverage with headroom. The Generac 18 kW pairs an 18 kW air-cooled generator with a 100A service-rated transfer switch — enough capacity to keep an EV charger or central AC running alongside the rest of the home during an outage. Runs on natural gas or propane. Complete professional installation included.