What We Do
Dual Expertise Under One Roof
Since 1981, EMSI has delivered full-service HVAC and electrical contracting across Erie County, western New York, eastern Ohio, and as far south as Meadville. Family-owned and deeply rooted in Erie, we’re known for clean workmanship, responsive service, and lasting client relationships. We design, install, and maintain mechanical and electrical systems for everything from industrial facilities to residential renovations—always on time, on code, and on budget.
As one of the only contractors in the tri-state region offering both HVAC and electrical expertise under one roof, EMSI simplifies your service needs while delivering the quality and reliability you deserve.
who we serve
Commercial Clients
We partner with general contractors, facility managers, and business owners on commercial HVAC and electrical projects, from design to build-out. Our work includes office buildings, schools, banks, industrial spaces, and retail environments.
Residential Electric
From whole-home generators and EV charger installations to lighting upgrades and electrical panel updates, our team of expert electricians ensures homeowners stay safe, powered, and up to code—year after year.
Why Choose EMSI
Built on Experience.
Trusted for Generations.
Family-Owned and Erie-Grown Since 1981
As a second-generation, family-run company, we’ve served the tri-state region for over 40 years with consistent, accountable work and deep local roots.
Fully Licensed in PA & OH
Our team meets all state licensing and insurance requirements for residential and commercial jobs.
Generac Authorized Dealers
In 2023, we acquired a local Generac service provider and now support over 300 generator clients with installation, maintenance, and responsive service.
Trusted by Contractors and Repeat Clients
We’ve built long-standing relationships with GCs, business owners, and homeowners who call us project after project.
