Mitigating freeze risk of data center infrastructure

The rising demand for cloud services, AI workloads, and real-time analytics continues to drive unprecedented investments in data centers globally. In the U.S. alone, the number of active data centers is projected to rise from more than 5,400 today to roughly 9,500 by 2030. As operators build larger, more powerful, and more interconnected facilities, they must also optimize energy use while reducing environmental impact.

One of the most significant challenges in modern data center design is cooling. Servers generate intense heat, and cooling systems account for a substantial portion of total energy consumption. As a result, data center innovation is no longer just about performance within the data center, it’s about developing smarter and more sustainable  infrastructure cooling design without driving up operational costs.

One of the ways operators are tackling this challenge is by locating new data centers in colder regions. These environments allow facilities to take advantage of naturally low ambient temperatures, reducing reliance on mechanical chillers and large-scale cooling systems.

At first glance, it’s an ideal solution.

This shift aligns with the growing adoption of natural cooling strategies, including free air cooling, adiabatic systems, and hybrid water-cooled designs. By building in colder climates, operators can improve Power Usage Effectiveness (PUE), cut long-term energy use, and strengthen sustainability performance.

But colder climates don’t come without trade-offs.

The challenges of cold climate data center cooling

Many facilities operate in environments where extreme temperatures introduce real risks to both indoor and outdoor infrastructure. While these locations support cooling efficiency, they also demand careful planning and protection.

Imagine a sudden cold snap hitting a data center. Critical piping, such as chilled water loops or fire suppression lines, begins to freeze. Ice forms, flow is restricted, and pressure builds.

Without protection, the consequences can escalate quickly: disrupted cooling, damaged equipment, and unplanned downtime.

Key risks include:

• Freezing of critical piping systems, including chilled water loops, fire suppression lines, and condensate drains can disrupt thermal management and create pressure buildup that damages equipment.
• Condensation and moisture accumulation can lead to short circuits, corrosion, and premature equipment failure.
• Ice formation on exposed mechanical systems, such as air handling units, rooftop equipment, and intake systems reduce airflow and straining critical components.
• Operational disruptions from freezing events can threaten uptime, reliability, and service-level commitments.

While cold climates offer clear efficiency benefits, data centers must actively mitigate these risks to ensure uninterrupted operations.

Safeguarding data center operations in cold climates

So, how do operators protect critical infrastructure in these environments?

This is where heat trace technology plays a central role.

Electric heat trace systems actively monitor and maintain temperatures across pipes, valves, roofs, tanks, and enclosures—preventing freezing before it happens. Instead of reacting to failures, these systems create a stable thermal environment that keeps critical infrastructure operating as intended.

In many installations we’ve worked with, heat trace is not just a safeguard, it’s a core part of maintaining uptime in cold climates.

For data centers, heat trace helps:

• Prevent freezing in fire suppression systems, chilled water infrastructure, pumping stations, and exposed piping
• Protect equipment integrity by ensuring water-cooled systems, HVAC components, and mechanical equipment operate within required temperature ranges
• Ensure resilience at scale supporting AI and high-density computing where downtime is not an option

Why Chromalox?

At Chromalox, we don’t just supply heat trace—we help engineering firms and data center operates design for reliability from the ground up.

With more than 100 years of experience in industrial  and commercial heating, we work closely with customers to solve complex thermal challenges across a wide range of environments. We understand where systems are most vulnerable, and we help operators proactively protect them—before issues arise.

Data centers choose Chromalox because we provide:

• High-performance, energy-efficient heat trace systems with precise temperature control
• Expert guidance and partnership, from system design through installation and long-term operation
• Custom-engineered solutions tailored to complex and mission-critical environments
• Proven reliability in applications where uptime is non-negotiable

Ready to safeguard your data center with advanced heat trace solutions? Contact our heat trace experts to help design the right system for your facility.