Powering Erie’s Future

with Clean, Capable Workmanship

Since 1981, EMSI has delivered dependable electrical, HVAC, and generator services across the tri-state area. Our new site is coming soon—but we’re still ready to serve.

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Commercial Electrical Construction

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HVAC Installation & Service

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Generator Installation & Maintenance

What We Do

Built for Contractors.

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With a 40+ year legacy and deep roots in Northwest Pennsylvania, EMSI is the go-to subcontractor for precision-driven projects and specialty systems. Our clients come back project after project because we show up on time, deliver work that holds up under scrutiny, and leave no mess behind.

We’re licensed, insured, and trusted by the teams behind everything from retail conversions to large-scale property overhauls.

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Our Specialties Include

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Commercial Electrical Construction

From service upgrades to ground-up installs, our crews handle power distribution, lighting, and low-voltage systems with efficiency and polish.

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HVAC Installation & Service

Rooftop units, mechanical room overhauls, and ductwork done in-house — we fabricate what we install and back it with experience.

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Generator Installation & Maintenance

Need backup power that doesn’t fail? We install and service Generac systems with ongoing support plans and proactive upkeep.

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EV Charger Installation

Make your facility future-ready with reliable EV charging station installs tailored to commercial applications.

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Sheet Metal Fabrication (Limited Availability)

Custom ductwork produced onsite — currently available while fabrication capacity remains.

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GROWING OUR GENERATOR SERVICES

Preventative maintenance. Reliable power.

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In 2023, EMSI acquired a local Generac service provider and now supports over 300 active generator clients. From annual maintenance to complete system installs, our generator division is expanding fast. Whether you manage a multi-property portfolio or a single commercial site, we’ll keep you powered through every season.


Looking for installation or maintenance support? Give us a call — our team will get you on the schedule.

Financing Options Coming Soon!


Contact our team directly for payment or financing questions.

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Request a Service

Want to schedule a project or request a callback? We’re ready when you are.

Call Anytime: 814-453-2518

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Trusted by Clients Across the Tri-State Region

From retail buildouts to legacy home restorations, EMSI is proud to power Erie’s progress with clean, capable work.

  • Rebeka S

    I have been very impressed with the amount of skill and responsiveness from this company. I know that they will be there and do it right.

  • Victoria Dols

    Great company to work with!
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