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Office Hours: Mon-Fri, 8am - 5pm

  • Meet Us

    1850 N Greenville Ave. Suite 120, Richardson, Texas 75081

  • Call Us

    Tel: 972.437.5500

    Fax: 972.437.3318




LSi exists to provide stability and growth for our employees while enabling our customers to achieve energy conservation, comfort, and efficiency solutions.

Since 1995

LSi has enjoyed a partnership with a dynamic and innovative company - Automated Logic Corporation (ALC). A leader in the industry for over two decades, ALC continues to be at the forefront of innovative technologies. ALC and LSi - an outstanding combination for innovative building control!

Building Automation & Controls

When it comes to ease of operation and innovation, no other company or energy management system [...]

HVAC Services

Mechanical Services LSI established our mechanical service department so that we can serve as a [...]

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