Purpose
You’re seeing issues—or you suspect something isn’t right. This walkthrough helps confirm whether airflow is the root cause.

Instructions

Walk through your aisles and answer Yes or No

Visible Symptoms — Are problems already showing up?

Do some racks consistently run hotter than others?
Do you experience recurring hot spots?
Do temperature alarms occur without a clear cause?

Rack Integrity — Is cold air escaping before it reaches servers?

Are all unused rack spaces covered with blanking panels?
Are side panels installed between cabinets?
Are there large cable openings in racks or raised floor tiles? (Yes = problem)

Airflow Behavior — Is air mixing where it shouldn’t?

Do cold aisles ever feel warm or inconsistent?
Do you see signs of mixing between hot and cold air?

Temperature Visibility — Can you pinpoint the issue?

Do you know the inlet temperature of your warmest racks?
Can you identify exactly which racks are causing problems?

Recent Changes — Did something shift?

Have you added new equipment or increased density recently?
Were those changes thermally validated?

Interpreting Your Results

Mostly Yes (to problems)
Airflow is likely the issue—not cooling capacity.
Mixed Answers
You likely have localized airflow breakdowns.
Mostly No (to problems)
Issues may be intermittent or not yet visible—validate to be sure.

What to Do Next

Confirm the issue ✓
Run a short-term measurement or walkthrough to pinpoint airflow breakdown.
Understand why it’s happening
Read Airflow Management 101
Get help if needed
We can quickly isolate the issue and tell you what’s worth fixing.

Need More Help?

Book a 30-minute working session with Purkay Labs.

We’ll:

Review your environment
Identify likely airflow failure points
Tell you what to check internally
And be honest about whether you need equipment, a rental, or nothing at all

No sales pitch. Just clarity.

Free Consulting Call

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Airflow Management Articles

What “Good” Airflow Management Actually Looks Like

Good airflow management is not about perfection. It’s about good control. In a well-functioning data center, cold air consistently reaches server inlets, hot air returns without mixing, and temperatures behave predictably across the room. This article explains what “good” actually looks like on the floor—and how to tell if your environment is working the way it should.

This guide is designed to help you understand how air actually moves through your facility. It focuses on the fundamentals—how cold air reaches servers, how hot air returns, and where that process breaks down in real environments. By the end, you should be able to spot common airflow issues like bypass and recirculation and understand why they matter before they show up as temperature problems.

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Diagnosis Airflow Issues Checklist

Cooling problems in data centers often develop gradually and remain hidden until they trigger alarms or hot racks. This quick thermal risk self-assessment helps operators evaluate key indicators such as rack integrity, airflow behavior, temperature visibility, and cooling headroom. By answering a few simple questions, teams can quickly determine whether their cooling environment appears stable—or if hidden airflow constraints may be limiting performance.

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Airflow Management 101 Guide

Data center cooling is often described as “keeping the room cold,” but the real goal is much simpler: move heat away from servers efficiently. This guide explains how airflow actually works inside a data center, how Delta-T reveals cooling performance, and why airflow distribution often matters more than cooling capacity. Understanding the path from supply air to server inlet, exhaust, and return gives operators the foundation needed to diagnose cooling problems before they impact uptime.

A brand-new facility with recurring efficiency problems. Assessment identified airflow leaks introduced during construction. Fixed before reaching full operational load.

Intermittent temperature alarms in a PSU room with no obvious cause. Hidden airflow issues the BMS had missed entirely. Root cause identified and resolved.

Many legacy data centers need to increase their IT Load but don’t have enough cooling capacity. This article examines a way to free up stranded capacity using the AUDIT-BUDDY system.

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Data Center 101: Delta-T

In a data center, keeping the equipment cool is crucial to maintaining uptime and efficiency. But how do you know if your cooling system is working as it should? That’s where Delta-T comes in—a simple metric that helps you measure how well your cooling system is performing. In this article, we’ll explain Delta-T, break down the four types, and show you how managing airflow can boost your cooling efficiency.

Proper airflow management is essential to keep your data center running efficiently and effectively. In this blog post, we'll provide you with a simple checklist to help ensure that you are taking the necessary steps to maintain proper airflow in your data center.

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Diagnosis Airflow Issues Checklist

Visible Symptoms — Are problems already showing up?

Rack Integrity — Is cold air escaping before it reaches servers?

Airflow Behavior — Is air mixing where it shouldn’t?

Temperature Visibility — Can you pinpoint the issue?

Recent Changes — Did something shift?

Interpreting Your Results

What to Do Next

Need More Help?

Airflow Validation Checklists

Cooling Validation 101