Reliable Commercial HVAC & Plumbing Service. Smarter Building Systems
At AMSI Services, we keep commercial buildings performing at their best with expert HVAC, plumbing, controls, and VRF system solutions. From emergency repair to long-term service contracts, we are the team built for uptime.
Supporting Commercial Facilities Across the Mid-Atlantic Since 1988
AMSI Services partners with building owners, facility managers, and multi-site operators to keep commercial systems running reliably—serving office towers, schools, healthcare facilities, and government buildings across the Mid-Atlantic.
Commercial Focus
Regional Coverage
Emergency Service
What We Do Best
From urgent repairs to full system optimization, we’ve got every corner of your commercial building covered:

CoolAutomation
Smart and remote building HVAC controls installed by a certified integration partner.

Commercial HVAC Services
Heating, cooling, and ventilation systems designed to perform—24/7.

Plumbing Services
Professional-grade commercial plumbing installations, diagnostics, and repairs.

Preventive Maintenance Contracts
Regular inspections and service to prevent breakdowns and extend system life.

VRF Systems
Advanced variable refrigerant flow solutions for modern, energy-efficient control.

Smart Building Controls
BAS and control integrations to automate and optimize your building’s systems.

Special Projects & Retrofits
Retrofit your outdated systems with tech-forward, high-efficiency replacements.

Startup & Commissioning
Precision testing and verification for new system installs and retrofits.

Smart Building Software Solutions
Integrated platforms from CoolAutomation, 75F, and others for remote access and analytics.

Our Story
Since 1988, AMSI Services has been the Mid-Atlantic’s trusted name in commercial HVAC and mechanical solutions.
Now part of Vertical Mechanical Group, AMSI focuses solely on high-performance service—not construction. Our commitment? Smart systems. Fast service. Honest work.
Why Building Owners Trust AMSI
Uptime-First Approach
We don’t just fix problems—we prevent them.
Smarter, Faster Service
Our techs are trained in cutting-edge systems and supported by leadership at every step.
Tech-Enabled Transparency
You get full reports, system insights, and photo documentation with every job.
Partner Mentality
Whether it’s a service call or a long-term contract, we’re here to help you win.
Our Process
Request a Quote
Tell us what you need. We’ll listen.
Leadership-Reviewed Plan
Each quote is reviewed by senior leadership.
Certified Pros Do the Work
No shortcuts. Just top-tier technicians doing it right.
Get Full Reports + Follow-Up
Transparent documentation, before-and-after photos, and proactive next steps.
Trusted by Industry Leaders
We’re proud to partner with tech-forward vendors like CoolAutomation, 75F, and Vertical Applied Controls to bring you smarter, more connected commercial buildings.
Whether it's controls, diagnostics, or energy optimization, we deliver future-ready service today.

Frequently Asked Questions
We specialize in commercial properties—office buildings, multi-site operations, industrial spaces, and smart facilities.
Yes. We provide emergency HVAC and plumbing service 24/7 for contract clients and urgent needs.
You’ll receive regular system checks, filter changes, performance diagnostics, and priority support—all tailored to your equipment and usage.
VRF (Variable Refrigerant Flow) systems provide energy-efficient, zone-based climate control ideal for large commercial spaces.
Yes. We integrate and support platforms like CoolAutomation and 75F for intelligent control and diagnostics.
Absolutely. We’re equipped for regional support across the Mid-Atlantic and Southeastern U.S.

Part of the Vertical Mechanical Group
AMSI Services operates as a service and maintenance division of Vertical Mechanical Group (VMG)—a trusted name in mechanical contracting.
While AMSI focuses on commercial HVAC, plumbing, VRF, and smart-building services, VMG leads our mechanical construction and project delivery operations.
If you're looking for large-scale mechanical construction, renovation, or design-build capabilities, visit our parent company for more information.
Ready to Improve
Uptime and Efficiency?
Let’s talk about how AMSI can support your building’s performance and longevity.


