Restoring Peak Performance.
Minimizing Downtime.
With over 20 years of specialized mechanical expertise, Neptune International LLC provides turnkey cooling system solutions designed to minimize downtime and maximize operational lifespan. We don't just repair systems — we restore them to peak performance.
Our Core Competencies
Cooling Tower Lifecycle Management
Full-scale installation, refurbishment, retrofitting, and precision maintenance, specializing in top-tier brands including Baltimore Aircoil, Marley, and Evapco.
Chiller & Heat Exchanger Excellence
Comprehensive servicing of Centrifugal, Electromagnetic, and Absorption units.
Custom Fabrication
Specialized mechanical and sheet metal fabrication, including high-durability water distribution system rebuilding.
Performance Auditing
Thermal performance testing, structural integrity inspections, and data-driven preventive maintenance programs.
Pump Repairs & Replacement
Full-service pump repair and replacement for cooling systems and industrial fluid handling — from seal replacements to complete pump commissioning.
Dynamic Commissioning, Performance Testing, Startup & Energization
End-to-end commissioning services — dynamic system testing, performance verification, controlled startup sequences, and full energization to ensure every system operates to specification from day one.
All-in-One Parts, Service & Sales Solution
A single source for everything your cooling system needs — OEM and aftermarket parts, expert service, and equipment sales. Streamlined procurement, zero runaround.
Emergency Response
24/7 rapid mobilization for critical troubleshooting and repairs. We are always ready when you need us most.
Critical Infrastructure
We Protect
The Neptune Advantage
Rapid Response
24/7 emergency availability because your uptime is our priority.
Certified Precision
Our team holds OSHA 30, EPA 608, and industry certifications — every technician on-site is a subject matter expert.
Safety-First Culture
Zero-incident safety record through proactive job hazard analysis and daily toolbox talks.
Quality Assurance
All work meets or exceeds ASHRAE and manufacturer standards, backed by a rigorous QA program.
Claim Your Value-Added Start
We offer Complimentary Inspections to help you identify and mitigate risks before they become costly failures.