Job sheet · Refrigeration

Refrigeration System Repair in Montréal: Precision Work in a High-Traffic Convenience Store

Need fast and reliable refrigeration repair? Learn how AirGreen restored a convenience store’s cooling system in Montréal, ensuring optimal performance and minimal downtime!

By AirGreen Climatisation & Chauffage Admin7 min read
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Refrigeration System Repair in Montréal: Precision Work in a High-Traffic Convenience Store
Refrigeration System Repair in Montréal: Precision Work in a High-Traffic Convenience Store
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AirGreen recently responded to an urgent service call at a busy convenience store in Montréal. The store's refrigeration system, which is crucial for keeping beverages and perishable goods cool, had started showing signs of malfunction. With shelves packed with soft drinks and snacks, the store owner couldn't afford a breakdown in the middle of a sweltering summer week. Luckily, AirGreen's expertise in refrigeration system repair and maintenance came to the rescue.

A High-Stakes Refrigeration Job in the Heart of Montréal

When the call came in, we understood that this wasn’t just another routine job. Refrigeration systems are often the heartbeat of a business like this convenience store, located on a bustling corner of downtown Montréal. Any failure would not only disrupt daily operations but could lead to a significant loss in products and revenue.

With years of experience handling refrigeration systems in commercial settings such as grocery stores, depanneurs, and restaurants, AirGreen immediately sent out a team of certified HVAC specialists to diagnose and repair the issue. What awaited us was a RefPlus unit, known for its reliability in commercial refrigeration, but this one had run into trouble due to wear and tear.

Diagnosis: Why Regular Maintenance Matters

Upon arriving at the store, our team quickly performed an assessment of the refrigeration unit. The store's RefPlus machine had been in operation for several years without proper maintenance, and the evaporator coil had accumulated dust and grime. This buildup was blocking airflow, causing the compressor to work harder and leading to an increased risk of complete failure.

One of the key findings was a clogged condensate drain line. This may sound like a small issue, but in refrigeration systems, it can lead to water buildup, resulting in leaks and eventually system breakdown. In this case, the excess water had begun dripping inside the cold storage unit, risking product spoilage. Our team addressed this by thoroughly cleaning the drain line, allowing water to flow freely away from the unit.

The RefPlus Refrigeration Unit: A Sturdy Machine Needing Attention

The RefPlus refrigeration system installed in the convenience store is a top-tier machine for commercial purposes, designed to withstand heavy usage. Known for its robust build and energy efficiency, it’s a reliable choice for businesses handling high volumes of refrigerated goods. However, like any system, it requires regular attention to maintain its performance.

This unit in particular featured a high-performance evaporator fan to ensure even airflow, keeping products at a consistent temperature. However, with dust and grime accumulating on the fan and coils, efficiency had dropped significantly. By cleaning these components and replacing worn-out parts, our technicians were able to restore the unit’s efficiency, reducing the strain on the system.

Step-by-Step Repair Process

We follow a detailed protocol for all commercial refrigeration repairs to ensure that no detail is overlooked.

1. Initial System Check

First, we checked the unit’s performance, noting any unusual noises, leaks, or signs of wear. The RefPlus system was indeed struggling, and temperatures were fluctuating within the refrigerated storage space.

2. Evaporator and Condenser Coil Cleaning

Cleaning the evaporator and condenser coils is a critical step in restoring a refrigeration unit’s performance. The accumulation of dirt can drastically reduce heat exchange efficiency, causing the unit to work harder than necessary. We used a specialized cleaning solution to safely remove all debris from the coils, improving airflow and cooling capacity.

3. Condensate Drain Line Clearing

The clogged condensate line was the root of the water leakage issue. We carefully flushed the line, ensuring that any obstructions were cleared out to allow smooth water drainage.

4. Fan and Motor Check

Next, we inspected the evaporator fan motor and blades. Dust and dirt can accumulate here too, affecting airflow and causing the motor to overheat. After cleaning the fan blades and lubricating the motor bearings, the system's airflow returned to optimal levels.

5. Testing and Calibration

Once all parts were cleaned and replaced where necessary, we tested the system to ensure that it was cooling efficiently and maintaining the right temperatures. We also calibrated the unit’s thermostat and checked the refrigerant levels to ensure everything was in perfect working order.

The Importance of Regular Maintenance

Refrigeration units in commercial settings endure heavy use, often running 24/7. This continuous operation takes a toll on components, making regular maintenance not just recommended, but essential. Neglecting periodic upkeep leads to higher energy costs, potential breakdowns, and, in the worst case, product spoilage that can severely impact a business.

Our work on this RefPlus refrigeration system highlights the importance of regular servicing. A simple cleaning of the coils and fan, along with clearing the condensate drain, can make all the difference between a smoothly operating system and one that's on the brink of failure. For this convenience store in Montréal, we were able to resolve the issues quickly and efficiently, preventing further disruptions.

Why Choose AirGreen for Your Refrigeration Needs?

At AirGreen, we pride ourselves on providing exceptional refrigeration repair and maintenance services across Montréal, Laval, Longueuil, North Shore, and South Shore. Our clients trust us because we bring:

  • Certified Technicians: Our team is highly trained and experienced in both commercial and residential HVAC systems, including advanced refrigeration units like RefPlus.
  • Fast Response Time: In a business setting, time is money. We understand that, and we work fast to minimize downtime and keep your operation running smoothly.
  • Comprehensive Service: From routine maintenance to complex repairs, we offer a full range of refrigeration services tailored to your needs.
  • Preventive Maintenance Plans: To avoid future breakdowns and ensure longevity, we offer custom maintenance plans designed for your specific system.

Keeping Your Business Running Smoothly

In this specific service call, the issue was resolved within a few hours, but the long-term benefit is what matters most. Our thorough maintenance and repair services not only restored this convenience store’s refrigeration unit but also extended its lifespan. With proper care, refrigeration systems like the RefPlus can serve a business efficiently for years, providing consistent cooling performance and energy savings.

If your refrigeration system is showing signs of wear, making unusual noises, or simply not cooling as effectively as it used to, don’t wait for a complete breakdown. Get in touch with AirGreen for a fast and professional solution.

We specialize in commercial refrigeration system repair for businesses across the Greater Montréal area. Whether it's a depanneur, restaurant, grocery store, or any other retail establishment, we have the skills and experience to get your systems running at peak performance again.

The steps

How the job unfolds

The main steps of this kind of job at AirGreen. Every house has its quirks: the estimate brings them out.

Step 1 of 5Your call

The affected equipment, displayed temperatures, error codes and how long the problem has lasted.

  1. Your callThe affected equipment, displayed temperatures, error codes and how long the problem has lasted.
  2. DiagnosisTemperatures, pressures and components: we look for the cause of the failure or the loss of cooling.
  3. The workRepair, part replacement or maintenance, depending on what we found.
  4. Tests and readingsRestart, then a check of temperatures and operation.
  5. RecommendationsThe maintenance that keeps the equipment reliable: clean condenser, door gaskets, free air around it.
Step 1 of 5Your call

The affected equipment, displayed temperatures, error codes and how long the problem has lasted.

  1. Your callThe affected equipment, displayed temperatures, error codes and how long the problem has lasted.
  2. DiagnosisTemperatures, pressures and components: we look for the cause of the failure or the loss of cooling.
  3. The workRepair, part replacement or maintenance, depending on what we found.
  4. Tests and readingsRestart, then a check of temperatures and operation.
  5. RecommendationsThe maintenance that keeps the equipment reliable: clean condenser, door gaskets, free air around it.
Maintenance

Good habits, once the unit is in place

Six simple habits that keep the unit going. Your list stays on this device.

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Frequently asked questions

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5 questions
Does AirGreen do refrigeration?
Yes. AirGreen holds subclass 15.10 Refrigeration under RBQ licence 5645-9605-01.
What should I do while waiting for the technician?
Keep doors closed as much as possible and note displayed temperatures and error codes: it speeds up the diagnosis.
Does maintenance prevent breakdowns?
A dirty condenser or a worn door gasket makes the compressor work harder. Regular maintenance lowers that risk.
Does AirGreen hold the required licences?
Yes. AirGreen holds RBQ licence 5645-9605-01, subclasses 15.8 Ventilation, 15.10 Refrigeration and 16 Electricity.
Is the estimate free?
Yes. The on-site estimate is free and the quote follows within 24 hours. Book my free estimate.

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Text and photo: a real AirGreen Climatisation & Chauffage job. The diagrams are generic illustrations of the type of installation, not a survey of this job site. Sources of the added figures: airgreen.ca product pages (NEEP / AHRI performance), Hydro-Québec (Heat pumps page, LogisVert, read on 13 October 2026), Régie de l’énergie (rate D as of 1 April 2026).

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