Réparation d’une thermopompe murale Carrier sur la Rive-Sud
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Repair of a Carrier Wall-Mounted Heat Pump on the South Shore

Breathing New Life into a Reliable System: A Carrier Mini Split’s Journey to Perfection

When it comes to maintaining a comfortable home, few things are as essential as a functioning wall-mounted heat pump. Recently, we had the pleasure of servicing a Carrier ductless heat pump in the charming South Shore area. This unit, which had been faithfully serving its owners for years, was facing some operational hiccups that needed immediate attention. With winter on the horizon, the stakes were high, and our expertise was called into action to restore this household's comfort.


The Problem: A Heat Pump in Distress

Our story began with a call from a concerned homeowner. Their Carrier mini split, which had provided efficient cooling in summer and reliable heating in winter, suddenly stopped responding. It wasn’t cooling as it should, and to make matters worse, the heating function refused to turn on altogether. The family was understandably worried about the potential cost of replacing the system. That’s where we stepped in.

When we arrived, we performed a thorough diagnostic assessment of the unit. The culprit? A combination of a clogged coil system and a faulty sensor that disrupted the internal thermostat’s functionality. Over time, dirt and debris had built up, reducing the system’s efficiency and causing inconsistent performance. Fortunately, the unit's core components were still in good shape—an indication that a targeted repair could extend the life of this reliable Carrier machine.


The Repair Process: Step-by-Step Perfection

1. Cleaning the Coil and Filter

First, we disassembled the wall-mounted unit to clean its internal components. The evaporator coil, covered in a layer of grime, was meticulously cleaned to restore proper airflow. Additionally, the air filters—heavily clogged—were replaced with new ones, ensuring the unit could "breathe" properly once again.

2. Replacing the Faulty Sensor

Next, we turned our attention to the faulty temperature sensor. This small yet vital component ensures that the heat pump maintains the desired indoor climate. We replaced the sensor with an original Carrier part, optimizing the system for precise temperature control.

3. System Tune-Up and Refrigerant Check

After addressing the immediate issues, we conducted a complete system tune-up. This included checking the refrigerant levels, tightening electrical connections, and lubricating moving parts. The refrigerant levels were slightly low, so we added the necessary amount to ensure the unit's cooling and heating cycles operated efficiently.


A Happy Ending: Restoring Comfort and Peace of Mind

Once the repairs were complete, the transformation was remarkable. The Carrier ductless heat pump sprang back to life, delivering crisp cool air and cozy warmth with the flick of a switch. Our customer was thrilled to learn that their trusted system didn’t need to be replaced after all. Instead, our repairs gave the unit a new lease on life, potentially adding several more years to its operational lifespan.


Why Choose AirGreen for Your Heat Pump Needs?

Experience and Expertise

At AirGreen, we specialize in diagnosing and repairing all major brands of wall-mounted heat pumps, including Carrier, Gree, Sharp, and more. With years of experience, our technicians are equipped to handle even the most complex HVAC challenges.

Cost-Effective Solutions

Replacing an HVAC system can be costly. That’s why we prioritize repairs whenever possible, saving you money and reducing environmental waste. In this case, we were able to restore the Carrier unit’s full functionality for a fraction of the cost of a new installation.

Customer-Centric Approach

We understand how disruptive HVAC issues can be. That’s why we work quickly and efficiently to resolve problems, always keeping the customer informed at every step. From initial diagnosis to final testing, our focus is on delivering results that exceed expectations.


Key Features of the Carrier Wall-Mounted Heat Pump

For readers unfamiliar with Carrier’s products, here’s what makes their ductless systems a popular choice:

  • Energy Efficiency: Carrier heat pumps are known for their exceptional energy ratings, making them an eco-friendly choice for homeowners.
  • Dual Functionality: They provide both heating and cooling, ensuring year-round comfort.
  • Quiet Operation: Designed with sound-dampening technology, Carrier units are among the quietest on the market.
  • Durability: Built to last, these machines are a reliable investment for any household.

Lessons Learned: The Importance of Regular Maintenance

This story serves as a reminder of the importance of routine maintenance. Over time, even the best HVAC systems can accumulate dust and debris, leading to reduced efficiency and potential breakdowns. By scheduling regular servicing, you can:

  • Prolong the life of your system
  • Reduce energy consumption
  • Avoid costly emergency repairs
  • Ensure optimal performance year-round

At AirGreen, we offer comprehensive maintenance plans tailored to your specific needs. Let us help you keep your heat pump running like new!


Trust AirGreen for All Your HVAC Needs

Whether you need a simple repair or a complete system installation, AirGreen is your trusted partner for all things HVAC. We proudly serve Montreal, Laval, Longueuil, the North Shore, and the South Shore, bringing comfort to homes and businesses across the region. Our commitment to quality, affordability, and customer satisfaction sets us apart.


Get in Touch Today

Is your heat pump not working as it should? Don’t wait for the problem to escalate. Contact AirGreen today to schedule a repair or maintenance appointment. Together, we’ll ensure your home stays comfortable, no matter the season.