
5+ Signs Your Cooling Tower Needs Maintenance
In the fast-paced world of industrial operations, your cooling tower is one of the hardest-working systems on site. It keeps temperatures stable, production running, and energy costs under control. However, like any other complex piece of equipment, your cooling tower must be maintained regularly to avoid a major breakdown.
At HSSR, we’ve helped Arkansas businesses avoid expensive repairs by catching small issues before they escalate. Whether you’re managing a manufacturing plant, food-processing facility, or commercial building, recognizing the signs of trouble early on is the key to keeping your system reliable and efficient.
1. Rising Water Temperatures or Reduced Cooling Efficiency
If your cooling tower isn’t working properly, a key warning sign is a noticeable decrease in cooling efficiency. When water temperatures remain higher than expected, even with the system running at full capacity, it indicates something may be wrong.
Common culprits include:
Clogged fill or spray nozzles
Worn fan blades or drive belts
Poor airflow due to drift eliminator buildup
Ignoring these issues can force your system to work harder, wasting energy and shortening the life of key components.
💡HSSR Tip: Schedule periodic thermal performance checks to spot efficiency losses early.
2. Unusual Noises or Vibrations
A cooling tower should run smoothly and quietly. Loud banging, rattling, or vibrating noises often mean there’s mechanical wear or imbalance.
Look for:
Loose fan components
Motor misalignment
Bearing wear
Drive system issues
If left unchecked, these small mechanical problems can quickly turn into significant failures. Immediate inspection and rebalancing can prevent costly motor or gearbox replacements.
3. Visible Corrosion, Rust, or Scaling
Arkansas’s humidity and variable climate can take a toll on metal surfaces. When you start to see corrosion, rust spots, or heavy scale buildup on your cooling tower, it’s time to act.
These signs suggest:
Poor water treatment or chemical imbalance
Excessive exposure to untreated air or debris
Aging or worn-out protective coatings
Not only do these weaken structural integrity, but they also decrease heat exchange efficiency. Regular inspection and chemical maintenance can extend your cooling tower’s life and keep your operations running safely.

Photo by HSSR
4. Leaks or Overflow
Small leaks may seem harmless, but in a cooling tower, they often signal underlying structural or seal failures. To avoid costly downtime, schedule maintenance if you observe any of these signs:
Puddles forming at the base of the tower.
Wet spots on drift eliminators or casing.
Overflow from clogged basins or faulty valves.
Leaks can cause water loss, mineral accumulation, and corrosion, which results in higher utility bills. HSSR’s maintenance specialists can pinpoint the cause and restore proper water flow before the damage spreads.
5. Biological Growth or Unpleasant Odors
A musty or foul odor coming from your cooling tower is more than just unpleasant; it’s a health risk you should pay attention to.
Algae, bacteria, and biofilm thrive in warm, untreated water, reducing heat transfer efficiency and posing Legionella contamination risks. If you notice slime buildup or discoloration, your system may need immediate cleaning and biocide treatment.
Maintaining a proper water treatment schedule is not optional; it’s critical for safety and compliance.
6. Frequent System Alarms or Increased Downtime
Are you resetting alarms more often than usual? Or noticing frequent shutdowns? These warning signs indicate deeper mechanical or control system problems.
Whether it’s sensor calibration, electrical faults, or component wear, recurring alarms should never be ignored. The sooner you have the system inspected, the better your chances of preventing a full breakdown.
7. Rising Energy Bills Without Increased Usage
If your energy costs are climbing but your production hasn’t changed, your cooling tower might be working harder than necessary.
Dirty coils, blocked air passages, and inefficient motors all contribute to higher energy consumption. Preventive maintenance and timely repairs keep your system running at peak performance, saving both energy and money in the long run.
Why Immediate Maintenance Matters?
Delaying maintenance might seem cost-effective in the short term, but it often leads to greater losses down the road, from unexpected shutdowns to expensive equipment replacements.
At HSSR, we understand that downtime isn’t an option for Arkansas businesses. That’s why we offer rapid-response maintenance and repair services, with access to OEM and high-quality aftermarket parts for brands like Marley, BAC, and Evapco.
Our expert technicians can assess, repair, and optimize your cooling tower system to keep your operations running smoothly and efficiently all year.

Photo by HSSR
How HSSR Keeps Your System Running Efficiently?
As a trusted cooling tower service company in Arkansas, we take a proactive approach to maintenance and repair. Our maintenance process includes the following steps:
Assessment & Quote: We analyze your facility’s cooling requirements and structural conditions.
Planning & Scheduling: Our experts design a solution optimized for performance and energy efficiency.
Execution: Certified technicians handle all electrical, mechanical, and safety aspects.
Quality Assurance: We verify performance, balancing, and compliance with regulations before handover.
Follow-Up Maintenance: Schedule routine maintenance to avoid future failures.
With years of experience and a commitment to long-term reliability, HSSR ensures your cooling tower performs at its peak.
Takeaway
Your cooling tower is an investment, one that deserves consistent care. Paying attention to performance changes, leaks, corrosion, or strange noises can help you prevent small problems from becoming costly emergencies.
At HSSR, we’re committed to helping Arkansas industries operate safely, sustainably, and without interruptions. If you’ve noticed any of the signs above, it’s time to get your cooling tower inspected. The sooner the problem is addressed, the easier and cheaper it is to fix.
Our team serves businesses across Arkansas, offering local expertise you can count on. Call (479) 644-1236 today to schedule an inspection.
FAQ: Cooling Tower Maintenance in Arkansas
How often should I schedule maintenance?
For most commercial cooling towers, a full inspection every 6–12 months is ideal, depending on system usage and water quality.
Do you offer emergency repair services?
Yes. HSSR offers emergency cooling tower repair services across Arkansas to help facilities recover quickly from unexpected shutdowns.
Can you service any brand of cooling tower?
Absolutely. Our technicians are prepared to handle Marley, BAC, Evapco, and other major systems with full OEM and aftermarket part access.
