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Technology Simplified

Limited Energy Contractor and Systems Integrator

For the past 20+ years our limited energy technicians have provided limited energy installation services, monitoring, and system integration solutions for security, access control, life safety, fire alarm, mass notification systems, automation, WiFi, audio, and video. Our team of over 100 highly-trained limited energy technicians deliver unparalleled value to both residential and commercial clients of every size and budget.

Quality you deserve and dependability you can count on.

ECSI specializes in designing personalized solutions that accommodate the unique needs of each client. We offer an unparalleled scope of limited energy products and services that result in easy-to-use, fully-integrated systems that set new standards in home and business technology.

Ready to Start Your Project?

It’s time to fully integrate your home or business. If you need a contractor for your next project, contact ECSI Systems Integrators today to discuss how we can create a system beyond your boldest expectations.

Recent News

  • March 21, 2025

    Co-Founder Jerry Hein Retires from ECSI

    With mixed emotions, we announce the retirement of ECSI’s co-founder and President, Jerry Hein, effective March 21. Please join us in thanking him for 28 years of dedicated service and in wishing him a joyful retirement.
  • January 27, 2025

    Kelly Tomsche Promoted to Assistant Manager

    This April, Kelly will celebrate 12 years with ECSI—a milestone that highlights her dedication, leadership, and countless contributions. Recently promoted to ECSI's Assistant Service Manager, Kelly’s journey has been nothing short of remarkable.
  • June 25, 2024

    New Carbon Monoxide Alarm Requirements in Minnesota

    As of August 1, 2024, the State of Minnesota will require owners of hotels, motels, and lodging houses to install a carbon monoxide (CO) alarm in any room which can be lawfully used for sleeping.