Apex Thermal Systems designs and manufactures advanced liquid cooling solutions that enable next-generation AI, HPC, and hyperscale data centers to operate at peak performance.
From single components to fully integrated rack-level systems, we manufacture everything required to deploy high-performance liquid cooling at scale.
Passive and active RDHx units that capture 100% of server heat at the rack, eliminating hot spots and reducing HVAC loads.
Learn MoreHigh-capacity CDUs with redundant pumps, intelligent flow control, and built-in heat rejection for mission-critical deployments.
Learn MoreReal-time temperature, flow, and pressure monitoring with predictive analytics and automated alerting.
Learn MoreWe partner with data center operators, system integrators, and OEMs who demand reliability, speed, and engineering excellence.
Designed, fabricated, and assembled in the United States with full supply chain traceability and domestic sourcing.
Standard product lead times measured in weeks, not months. Expedited programs available for critical infrastructure timelines.
Engineered specifically for high-density GPU clusters, supporting rack densities from 30kW to over 100kW per rack.
Every data center is different. Our engineering team designs bespoke cooling architectures tailored to your facility constraints.
Our thermal management solutions power the most demanding compute environments across every major vertical.
Supporting training and inference clusters with liquid cooling architectures designed for NVIDIA H100/H200, AMD MI300, and custom AI accelerators at densities exceeding 100kW per rack.
Explore AI SolutionsProven thermal infrastructure for national laboratories, research institutions, and enterprise HPC clusters where reliability and efficiency are non-negotiable.
Explore HPC SolutionsScalable liquid cooling platforms for multi-tenant facilities, enabling tenants to deploy high-density workloads without overprovisioning facility-wide infrastructure.
Explore Hyperscale SolutionsOur vertically integrated manufacturing facility in Phoenix, Arizona produces precision cooling components at production volumes with quality standards that meet or exceed ISO 9001 requirements.
Manufacturing floor
Rack systems shipped monthly
Field failure rate
Production capability
Quality management systems audited annually by third-party certification bodies.
Deep-dive engineering content to help you specify, design, and deploy liquid cooling infrastructure.
Complete technical specifications for our flagship rear door heat exchanger, including thermal performance curves, pressure drop data, and dimensional drawings.
Download PDFAn engineering guide to selecting, sizing, and deploying liquid cooling systems for next-generation GPU-based AI training infrastructure.
Download PDFStep-by-step methodology for accurately sizing coolant distribution units based on heat load, flow requirements, and redundancy needs.
Download PDFSpeak with our applications engineering team about your next data center project. We provide thermal audits, system design support, and rapid prototyping.