Build Your Home Standby System
Pick a generator, choose the transfer switch it needs, add any extras — then get your installed price.
1 Generator
2 Transfer Switch
3 Add-ons
4 Get Price
Choose your generator
Not sure what size — or why two 10 kW units cost different amounts? Use “Help me choose,” or tick Compare on any 2–3 units to see the differences side by side.
Type
All
Air-Cooled
Liquid-Cooled
Diesel
Size
Any
≤ 13 kW
14–20 kW
22 kW +
Required: transfer switch
A transfer switch is required to connect your generator to your home. We've pre-selected the recommended option — change it if you like.
Optional add-ons
Compatible extras for your generator. Add any you'd like — all optional.
Your system & installed price
Here's your configured standby system. Enter your installation address and contact info, then pay securely to lock it in — our licensed electricians schedule your install after payment.
The installation line covers labor, permits & startup by GWH's licensed electricians. Extended warranties are not marked up for labor. Any change to scope discovered on-site is reconciled with you before work begins.