HVAC Services

in the Erie, PA Region

Complete Heating & Cooling Solutions for Businesses and Facilities

Full-Service Commercial Heating & Cooling You Can Count On

Erie’s climate demands more than standard comfort solutions—businesses need reliable, efficient HVAC systems that keep employees comfortable, protect equipment, and maintain productivity year-round. EMSI delivers commercial-grade heating and cooling services designed for the unique needs of offices, schools, retail spaces, manufacturing facilities, and institutional buildings. Backed by over four decades of experience, our team provides everything from emergency repairs to large-scale installations, all with the clean, capable workmanship that has earned us trust across the tri-state region.

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Commercial Furnace Services

Keep your building warm and efficient all winter long with professional commercial furnace repair, replacement, and installation. We work with high-capacity systems and ensure your equipment performs reliably even during peak demand.

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Commercial Boiler Services

Our technicians handle all types of commercial boiler systems, including steam and hot water units. Whether you need repairs, retrofits, or complete system replacements, we deliver solutions designed for large-scale operations.

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Commercial Heat Pump Services

For facilities seeking an energy-efficient solution, commercial heat pumps offer year-round comfort in a single system. EMSI installs and services advanced heat pump technology for offices, multi-unit buildings, and specialized commercial applications.

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Commercial Air Conditioner Services

From rooftop unit repairs to new system installations, EMSI keeps commercial spaces cool during Erie’s humid summers. We work with high-efficiency systems to reduce energy consumption and maintain consistent comfort across your facility.

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HVAC Maintenance for Businesses

Prevent costly downtime and extend the life of your HVAC systems with a customized maintenance plan. Our technicians perform regular inspections, tune-ups, and system optimizations to keep your facility running smoothly all year.

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Commercial Ductless AC Systems

For businesses without traditional ductwork or with specialized climate zones, ductless mini-split systems provide precise temperature control and energy savings. We design, install, and maintain systems tailored to your operational needs.

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Indoor Air Quality for Businesses

We install and maintain commercial-grade air purification, filtration, and humidity control systems to create healthier indoor environments. Cleaner air means improved occupant comfort and compliance with industry standards.

Ready for Reliable Comfort?

Why Choose EMSI for HVAC in Erie?

Decades of Local Experience
We’ve supported Erie-area businesses for more than 40 years, building  lasting partnerships with contractors, property managers, and facility operators.


Licensed in PA & OH
Our technicians are fully licensed and insured to handle commercial HVAC projects across state lines, from design-build to maintenance.


Active Industry Involvement
We stay ahead of industry trends through memberships in organizations like the Independent Electrical Contractors (IEC), ACCA, Home Builders Association, and NFIB.


Clean, Capable Workmanship
Expect professional communication, respectful service, and work completed right the first time—on schedule and on budget.


Transparent and Responsive
We provide clear pricing, fast scheduling, and consistent updates to keep your project or maintenance program on track.

Have a Heating Question?

Here are a few commonly asked questions. If your question isn't answered here, we'd be happy to talk with you to find a solution!

  • How often should commercial HVAC systems be serviced?

    We recommend quarterly maintenance for most commercial systems to prevent downtime, extend equipment life, and optimize efficiency.

  • Why is my commercial AC running but not cooling effectively?

    Commercial systems can experience refrigerant issues, airflow blockages, or control system faults. Our team diagnoses and resolves these issues quickly.

  • When should I consider replacing a commercial furnace or boiler?

    If your system is over 15 years old, requires frequent repairs, or struggles to meet demand, we can assess whether a replacement would reduce costs and improve reliability.

  • Does indoor air quality really affect workplace performance?

    Yes. Cleaner air can improve employee comfort, reduce sick days, and meet regulatory compliance, making it a critical part of facility management.