Essential Refrigeration Maintenance Checklist for Commercial Units

Essential Refrigeration Maintenance Checklist for Commercial Units

In any business that depends on cold storage—whether it’s a restaurant, grocery store, café, or healthcare facility—reliable refrigeration is critical. Regular maintenance not only extends the lifespan of your units but also improves efficiency, prevents breakdowns, and protects your products.

Use this essential refrigeration maintenance checklist to keep your commercial units running smoothly all year round.


✅ 1. Regular Cleaning

Cleanliness is the foundation of performance and hygiene in commercial refrigeration.

Key Tasks:

  • Condenser Coils: Clean monthly to prevent overheating and system stress.

  • Evaporator Coils: Remove dust and buildup to ensure proper heat exchange.

  • Interior & Exterior Surfaces: Wipe down regularly to prevent mould, bacteria, and odours.


🔍 2. Check Door Seals & Gaskets

Worn or dirty door seals compromise temperature control and increase energy use.

What to Do:

  • Inspect Weekly: Look for cracks, brittleness, or misalignment.

  • Clean: Use mild soap and water to maintain flexibility.

  • Replace if Damaged: Faulty seals let cold air escape and force compressors to work harder.


🌡️ 3. Monitor & Calibrate Temperature Settings

Incorrect temperatures can lead to spoilage or unsafe food storage.

Best Practices:

  • Use a Digital Thermometer: Cross-check your built-in gauge.

  • Adjust for Seasonal Changes: External temperature fluctuations affect internal performance.

  • Log Daily Readings: Maintain compliance and track inconsistencies.


🌀 4. Inspect Fans & Motors

Fans and motors are the heartbeat of your refrigeration system—don’t let them fail.

Key Checks:

  • Visual Inspection: Look for dust, wobbling, or odd noises.

  • Clean Blades: Improve airflow and reduce motor strain.

  • Lubricate Bearings (if applicable): Follow manufacturer guidelines.


💧 5. Maintain Drain Lines

Clogged drain lines cause water overflow, mould, and even electrical issues.

Maintenance Steps:

  • Inspect Weekly: Look for blockages or slow drainage.

  • Flush with Vinegar or Hot Water: Prevent bacterial buildup and algae growth.

  • Watch for Odours: Smells can be an early sign of clogs.


🧊 6. Check Refrigerant Levels

Low refrigerant equals poor cooling and high energy bills.

What to Watch:

  • Check Pressure Readings (professionally): Requires proper tools and licensing.

  • Monitor System Performance: Icing or weak cooling may indicate a leak.

  • Call a Licensed Technician: Refrigerant handling is regulated—don’t DIY.


⚡ 7. Inspect Electrical Components

Electrical faults are a leading cause of commercial fridge failure.

Stay Safe By:

  • Checking for Loose Wires or Frayed Cables: Especially around control panels.

  • Testing Connections and Relays: Ensure no signs of overheating or corrosion.

  • Scheduling Annual Professional Checks: Prevent fire hazards and unexpected shutdowns.


🗓️ 8. Create a Maintenance Schedule

Routine matters. Create a maintenance calendar and stick to it.

Suggested Frequency:

  • Daily: Temperature checks, surface wipe-downs.

  • Weekly: Seal inspections, drain checks, airflow assessments.

  • Monthly: Coil cleaning, fan/motor checks, refrigerant pressure review.

  • Annually: Full system inspection by a professional.


👷 9. Train Your Staff

Well-trained staff are your first line of defence against issues.

Training Topics:

  • Recognising signs of wear or faults

  • Cleaning procedures and product handling

  • Recording temperature logs

  • Knowing when to escalate issues


📞 10. Know When to Call the Pros

Some tasks require certified technicians—don’t delay expert help.

When to Call ACRO Refrigeration:

  • Refrigerant Issues

  • Persistent Electrical Faults

  • Unexplained Temperature Swings

  • Annual Full-Service Inspections


🧰 ACRO Refrigeration: Your Partner in Performance

At ACRO Commercial Refrigeration, we offer full-service support across Queensland. From cold room maintenance to 24/7 emergency repairs, our experienced team is ready to keep your systems running efficiently and reliably.


📞 Let’s Keep Your Systems Running Cold & Clean

Ready to book preventative maintenance or an inspection?

📞 1300 227 600
📧 workshop@acrorefrigeration.com.au
🌐 Or request a service online