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.

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Home Backup Generators: What Do You Need To Know?

# HOW DOES A HOME BACKUP GENERATOR WORK?

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

# GENERAC CUSTOMER TESTIMONIALS

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

# 7 OUT OF 10 CUSTOMERS CHOOSE GENERAC

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