Skip to content

Family-owned · Dowagiac, Michigan

Keeping Southwest Michigan safe, secure, and connected — since 1980.

Commercial fire alarms, security systems, cabling, and access control — installed and maintained by a family-owned company that picks up the phone.

What we do

The systems that keep your building safe, connected, and code-compliant.

Haas Systems designs, installs, tests, and maintains the systems that keep commercial buildings safe, connected, and code-compliant. We work with business owners, facilities managers, and property managers across Southwest Michigan.

Why Haas

Local, code-compliant, and here for the long haul.

45 years
in business

Family-owned since 1980

Haas has been installing low-voltage systems in Southwest Michigan for 45 years. Two generations, one company.

Code compliance, not shortcuts

Every fire alarm install meets NFPA 72. Every cabling run is tested and documented. Do it once, do it right.

Responsive local support

We're in Dowagiac. When you call, we answer — and we can be on site, not on hold with a call center six states away.

Where we work

Southwest Michigan, from our shop in Dowagiac.

We serve customers across Cass, Berrien, Van Buren, St. Joseph, and southern Kalamazoo counties — plus South Bend and Elkhart in Northern Indiana. If you're nearby and unsure whether we cover your area, just ask.

Haas Systems service network — a stylized diagram showing six service regions: Van Buren, Kalamazoo, Berrien, Cass, and St. Joseph counties in Southwest Michigan, plus Northern Indiana (South Bend and Elkhart). Routes from Paw Paw, Portage, St. Joseph, Three Rivers, South Bend, and Elkhart converge on Haas Systems headquarters in Dowagiac, Cass County. SERVICE NETWORK HAAS SYSTEMS · SW MICHIGAN & N. INDIANA VAN BUREN KALAMAZOO BERRIEN CASS ST. JOSEPH NORTHERN INDIANA Paw Paw Portage St. Joseph Three Rivers South Bend Elkhart DOWAGIAC (HQ)

Ready to get started?

Tell us about your project. We'll be in touch within one business day.