Welcome to Koch & White Heating & Cooling, Inc.
Since 1934, Koch & White Heating & Cooling has been Ann Arbor's most trusted name in residential and commericial heating and air conditioning service. As a certified Generac® dealer we sell, install and service residential and commercial generators. Let us bring you peace of mind with a full line of reliable Generac products backed by world-class service and support. Explore our product selection, and then contact us so we can help you select the Generac solution that is just right for you.
Generac® certified technicians.
Home Backup Generators: What Do You Need To Know?

It starts and stops automatically, and never needs refueling. This video explains how and why.

Hear what several Generac customers have to say about their home backup generators.

Find out why so many homeowners choose a Generac home backup generator over competitive brands.