At Climatisation Solution Air, our team of certified technicians intervenes quickly to diagnose and repair all types of breakdowns on your central air conditioning system, regardless of the make or model. Whether you are facing a lack of cooling, a refrigerant leak, a faulty compressor or an electrical malfunction, we have the tools and expertise to restore your comfort as quickly as possible.
We also intervene on central heat pumps and wall-mounted heat pumps if your problem concerns another type of equipment.
Our central air conditioning repair services
| 🔍 Accurate | Rapid identification of the root cause: refrigerant leak, compressor failure, ventilation problem. |
| 🔧 Replacement of parts | Compressor, fan, condenser — high-quality parts tailored to your make and model. |
| 🧹 Complete | Filters, coils, air ducts — removal of dust, mold and allergens. |
| 📅 Preventive | Annual inspection, lubrication of components, electrical check to avoid costly breakdowns. |
| ⚙️ Adjustment and calibration | Adjust temperature, fan speed, and cycles to maximize energy efficiency. |
| 🚨 24/7 | Intervention day and night, 7 days a week, everywhere in Montreal and on the South Shore. |
Common Problems and Solutions — Quick Guide
| Symptom | Probable | Recommended | Emergency |
|---|---|---|---|
| The system no longer | Refrigerant leak or compressor failure | Diagnosis + recharging or replacement of the compressor | ⚠️ High |
| The air conditioner won’t | Electrical problem, HS capacitor, defective | Electrical Verification + Part | ⚠️ High |
| Unusual noises | Worn fan or belt, foreign | Mechanical inspection + replacement of the component | 🟡 Moderate |
| Poor airflow | Clogged filter, clogged ducts | Complete cleaning of filters and ducts | 🟡 Moderate |
| Rising | Poorly calibrated system or loss of efficiency | Tuning and Calibration | 🟢 Low |
| Bad smells | Mould or bacteria in ducts | cleaning and disinfection | 🟡 Moderate |
| Frost on outdoor unit | Lack of refrigerant or clogged | Diagnosis + refrigerant | ⚠️ High |
Preventive maintenance: maximize the life of your central air conditioning
Preventative maintenance is essential to maximize the life and performance of your air conditioning system. Our skilled team conducts regular and thorough inspections to detect potential issues before they turn into costly breakdowns.
What our annual maintenance includes
| Step | Description | Benefit |
|---|---|---|
| Cleaning the filters | Removing, cleaning or replacing air | Better air quality, optimal flow |
| Electrical | Checking all connections and voltage | Preventing power outages |
| Component | Lubrication of moving parts (fan, motor) | Reduced wear and noise |
| Refrigerant | Control and recharge if necessary | Guaranteed efficient cooling |
| Coil and duct | Removal of deposits, mould and allergens | Healthy air, improved energy efficiency |
| Overall | Cycle and calibration | Consistent comfort and energy savings |
Are you also looking for a service for another piece of equipment? Consult our air conditioner maintenance or air conditioner repair pages.
Replacement of defective parts: restore the proper functioning of your air conditioning
When your air conditioning system has defective parts, it is essential to replace them quickly to restore its proper functioning. Our skilled technicians accurately diagnose the parts to be replaced and use high-quality components tailored to your specific make and model.
Whether it’s replacing a failing compressor, a faulty fan or any other critical part, we ensure that all parts are properly installed and tested to ensure safe and efficient operation.
Tuning and calibration: optimize the energy efficiency of your system
We fine-tune the temperature, fan speed, and duty cycles to maximize the energy efficiency of your central air conditioning. With our in-depth knowledge of different makes and models, we provide customized settings to suit your equipment — allowing you to reduce your energy consumption and save on your bills.
24/7 emergency service: fast and professional response to your critical breakdowns
In the event of a critical breakdown, our team is available 24/7. Whether it’s a total breakdown, a refrigerant leak or a major malfunction, we intervene quickly to restore the proper functioning of your system as quickly as possible.
Frequently Asked Questions — Central Air Conditioning Repair
How much does it cost to repair a central air conditioner in Montreal?
The cost depends on the nature of the breakdown. A basic diagnosis is charged separately; Replacing a compressor, recharging a refrigerant or replacing a condenser are additional costs. Contact us to receive an accurate quote tailored to your situation.
What are the signs that a central air conditioner needs repair?
The most common signs are: insufficient or no cooling, unusual noises (whistling, popping), an unexplained increase in the electricity bill, excessive condensation or a system that won’t start.
Do you offer emergency service for central air conditioning failures?
yes. Our team is available 24/7 for critical breakdowns, anywhere in Montreal, Brossard, Boucherville, Saint-Hubert and the surrounding areas.
What is the average lifespan of a central air conditioner?
With regular maintenance, a central air conditioner can operate for 15 to 20 years. Our preventative maintenance programs are designed to maximize the longevity of your equipment.
What is the difference between central air conditioning and a heat pump?
Central air conditioning distributes the cooled air via a network of ducts throughout the house. A heat pump provides both heating and cooling. Consult our dedicated pages: central heat pump repair and wall-mounted heat pump repair.
Can you repair a central air conditioning of any brand?
yes. We work with Direct Air, Elios, Climate Master and Thermolec equipment, among others.
Our other air conditioning and heating services
repair
Installation
- Air conditioner installation
- Heat pump installation
- Thermostat Installation
- Electric furnace installation
- Kitchen hood installation
- Bathroom spillway installation
Maintenance
Areas served — Montreal and South Shore
We offer our central air conditioning repair services throughout the Montreal area and on the South Shore, including Brossard, Boucherville, Saint-Hubert, Varennes and Greenfield Park.

