What size generator do I need?

Select which scenario best describes your power needs below.

Here’s a quick guide to estimate the right size KOHLER® generator for your home or business. The best way to determine your specific power needs is to ask your generator professional to perform a site survey to analyze your electrical load and specify and install the proper generator system.

Just the basics

Designed to power all your essential electrical needs. From your furnace fan and refrigerator to your sump pump, lights, well pump, and more, these generators ensure everything runs smoothly when you need it most.

14 kW

12 kW

10 kW


Our most popular generators. These generators power everything that keeps your home running comfortably—furnace, refrigerator, sump pump, lighting, internet, washer/dryer, and more—ensuring comfort and security during any outage.

Live Comfortably

20 kW

26 kW

30 kW


Power it all

These KOHLER generators are built to handle the heaviest power loads, keeping everything in your home running—from the furnace and sump pump to your hot tub and espresso maker. With KOHLER, you can power it all, effortlessly.

26 kW

38 kW

48 kW


Explore all models

Need help selecting a model?

Butler Support: (717) 938-4253

Hours: Monday – Friday, 8:00am to 4:30pm