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Finding and Fixing a Refrigerant Leak in a Commercial Cool Room

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In the world of commercial refrigeration, few issues are as impactful, and potentially costly as a refrigerant leak. Recently, our team at BM Refrigeration was called out to assist a valued client facing cooling issues in their commercial cool room. The temperature was unstable, and their perishable stock was at risk.

Upon inspection, we discovered the root of the problem: the evaporator coil was unable to hold refrigerant. This wasn’t just a minor issue, it was a critical failure that needed immediate attention.

Why a Full Refrigerant Charge Is Essential

Many business owners assume that if a fridge or cool room isn’t cooling properly, it simply needs a “top-up” of gas. While that’s a common belief, it’s not always the right solution. In this case, however, the system was indeed low on refrigerant, but the real issue was the leak that caused it.

Here’s why maintaining proper refrigerant levels is crucial:

  • Consistent Cooling: Low refrigerant leads to fluctuating temperatures, risking spoilage of perishable goods.
  • Energy Efficiency: A system low on gas works harder, increasing power consumption and utility costs.
  • Compressor Protection: Running a system with insufficient refrigerant can cause the compressor to overheat and fail, resulting in expensive repairs or full replacement.

How We Found and Fixed the Leak

1. Initial Inspection

We began with a full system diagnostic to confirm the cooling issue wasn’t due to electrical faults or airflow restrictions. The pressure readings quickly confirmed a refrigerant loss.

2. Leak Detection

Using advanced leak detection tools including electronic sniffers and UV dye, we traced the leak to the evaporator coil. This component is critical for absorbing heat inside the cool room, and any breach compromises the entire system.

3. Evaporator Repair

Once the leak was pinpointed, we isolated the system, repaired the damaged section of the evaporator, and pressure-tested the coil to confirm the integrity of the fix.

4. System Recharge

With the leak sealed, we recharged the system with the correct refrigerant type and volume, restoring optimal cooling performance.

5. Performance Testing

Finally, we monitored the system’s operation to ensure stable temperatures and efficient cycling. The cool room was back to full functionality, without the risk of recurring failure.


The Hidden Cost of Ignoring Refrigerant Leaks

Delaying action on a refrigerant leak can lead to:

  • Product spoilage
  • Compressor burnout
  • Higher energy bills
  • Unexpected downtime

A minor leak today could become a major expense tomorrow. That’s why proactive maintenance is always more cost-effective than reactive repairs.


Preventative Measures:

To keep your refrigeration system running reliably, we recommend:

✅ Regular Maintenance Checks

  • Inspect coils, valves, and joints for early signs of wear
  • Monitor refrigerant pressure levels
  • Clean evaporator and condenser coils

✅ Scheduled Leak Detection

  • Use electronic leak detection during routine servicing
  • Log refrigerant usage to identify slow leaks over time

✅ System Performance Monitoring

  • Track temperature consistency
  • Listen for unusual noises or extended compressor cycles

If you notice any of the following, it’s time to call in a refrigeration expert:

  • Fluctuating temperatures in your cool room
  • Ice buildup on the evaporator
  • Unusual hissing sounds
  • Increased energy bills
  • Compressor running constantly

Don’t wait until your stock is compromised or your system fails completely. A fast response can save you thousands.


Fix the Cause, Not Just the Symptoms

At BM Refrigeration, we don’t just “top up” gas and walk away. We find the root cause, fix it properly, and ensure your system is running at peak performance. That’s the difference between a quick fix and a long-term solution.

If your commercial refrigeration system is underperforming or you suspect a refrigerant leak, don’t delay. Contact us today for expert diagnostics and reliable repairs.

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