Building Automation & Energy Management on Long Island
Expert building automation for commercial properties across Long Island — from Nassau County's dense commercial corridors to Suffolk County's industrial parks and healthcare campuses.
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Commercial Buildings Across Long Island
MJI Energy serves commercial buildings across all of Long Island — from Nassau County's dense commercial corridors to Suffolk County's industrial parks and healthcare campuses. The region encompasses some of the most energy-intensive real estate in the country, including the Hauppauge Industrial Park, the Route 110 office corridor in Melville, medical centers throughout Nassau, and major retail and mixed-use developments in communities from Hempstead to Riverhead.
A significant portion of Long Island's commercial building stock was constructed between the 1960s and 1990s. Many of these buildings are still running their original building control systems — or systems that were last updated when pneumatic controls were being replaced by early digital panels. These facilities face high energy costs, deferred maintenance, and increasingly stringent state energy requirements, but they also represent some of the best opportunities for measurable, high-ROI building automation upgrades.
PSEG Long Island's commercial efficiency programs make it financially attractive to modernize. Buildings that upgrade their controls and automation systems often qualify for $20,000–$125,000+ in rebates — significantly offsetting project costs.
Local Communities We Serve
Service Areas
What We Do
Our Services on Long Island
From single-system upgrades to full building automation retrofits, MJI Energy delivers Niagara-certified work with local support.
Ready to Upgrade Your Long Island Building?
Tell us about your building and we'll assess your automation needs, energy savings potential, and rebate eligibility — no commitment required.
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