in business
Family-owned since 1980
Haas has been installing low-voltage systems in Southwest Michigan for 45 years. Two generations, one company.
Family-owned · Dowagiac, Michigan
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
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
Haas has been installing low-voltage systems in Southwest Michigan for 45 years. Two generations, one company.
Every fire alarm install meets NFPA 72. Every cabling run is tested and documented. Do it once, do it right.
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
We serve commercial customers across Cass, Berrien, Van Buren, St. Joseph, and southern Kalamazoo counties. If you're nearby and unsure whether we cover your area, just ask.
Tell us about your project. We'll be in touch within one business day.