Central AC & Heat Pump Repair of a Lennox Unit on the Rive Nord
Experience the reliability of AirGreen's HVAC repair services. We expertly restored a Lennox central AC on the Rive Nord, delivering efficiency and satisfaction through our thorough and detailed approach.
Take a tour of the installation
Each number is a point we check on site. Switch between summer and winter to watch air and heat move.
In summer, the outdoor unit rejects the house's heat outside.
Generic illustration of this type of installation, not a survey of this job site. Tap a number.
It captures or rejects heat outside. It sits on a level base, above the snow, with free space all around.
The insulated refrigerant lines enter the house through a sealed opening and run to the indoor coil.
A shut-off switch near the outdoor unit isolates it safely for service.
Sitting on the indoor module, it moves heat between the house air and the refrigerant.
Electric furnace or air handler: its fan pushes air through the ducts. The electric backup takes over in extreme cold.
Supply ducts bring air to the rooms; returns bring it back to the unit. Their condition matters as much as the unit's.
It protects the coil and the fan. A dirty filter cuts airflow, so it gets checked regularly.
It runs the heat pump and the backup heat. It must be compatible with the installed system.
Restoring Comfort and Reliability with a Comprehensive Lennox Central AC Repair
When it comes to ensuring your home remains comfortable, especially during the extreme temperature fluctuations we experience in the Montreal area, having a reliable central AC and heat pump system is essential. At AirGreen, we pride ourselves on delivering exceptional HVAC repair services across Montreal, Laval, Longueuil, and the Rive Nord and Rive Sud regions. Recently, we completed a service call that not only involved repairing a Lennox central AC and heat pump but also left a lasting impression on our customer, who was thrilled with our commitment to finding and fixing the root of the issue.
An Insightful Story of Our Latest Repair Call
Our customer on the Rive Nord reached out to us after noticing that their Lennox central air conditioning system was no longer providing the cool comfort they were accustomed to. The machine, a trusted unit that had served them well through many seasons, was showing signs of wear. The airflow was weak, the cooling inconsistent, and the energy bills were noticeably higher, a clear indication that something was amiss. This wasn’t just a typical repair call; it was an opportunity for us to demonstrate the meticulous, professional care that sets AirGreen apart.
Identifying the Core Problem – Not Just a Quick Fix
Upon arriving at the location, our AirGreen technician team conducted a thorough inspection of the Lennox unit. Many companies might jump straight to quick fixes, hoping to get the system running temporarily. However, we believe in finding and addressing the root cause to ensure long-lasting results. Our assessment revealed several underlying issues: a blocked condenser coil, a refrigerant leak, and a worn-out fan motor, each contributing to the system’s poor performance.
Blocked Condenser Coil
Over time, the condenser coil can accumulate dust, dirt, and debris, restricting airflow and reducing the unit’s efficiency. In this case, the coil was significantly blocked, preventing the machine from releasing heat effectively. Our technicians carefully cleaned the coil, removing the buildup that had been stifling the system. This not only improved cooling but also helped restore the unit’s efficiency, reducing the strain on the machine and potentially lowering the customer’s energy costs.
Refrigerant Leak – A Hidden Culprit
One of the most critical issues we discovered was a refrigerant leak. Low refrigerant levels can severely impair the cooling capability of a heat pump, forcing the unit to work harder to achieve the desired temperature. After locating the leak, we sealed it carefully and refilled the refrigerant to the manufacturer’s recommended level, ensuring that the Lennox unit could once again cool the home effectively and efficiently. Our expertise in handling refrigerant issues played a crucial role in restoring this system to optimal operation.
Worn-Out Fan Motor Replacement
Another component that needed attention was the fan motor, which had seen better days. The wear and tear on the motor were causing reduced airflow and inconsistent cooling. Replacing the motor was essential not only to improve performance but also to extend the life of the system. With a new fan motor installed, the Lennox heat pump was back to functioning as it should, providing consistent, reliable comfort.
Going Above and Beyond – Exceeding Customer Expectations
Our customer was genuinely pleased with our service, not just because we fixed the issues but because we took the time to explain every step of the process. We believe in transparency and educating our customers, ensuring they understand how to maintain their HVAC systems to avoid future issues. It’s this level of care and detail that makes AirGreen a trusted name in HVAC repair across Montreal and beyond.
Why Choose AirGreen for Your HVAC Repairs?
Choosing AirGreen means choosing quality, expertise, and a commitment to doing the job right. Here are just a few reasons why our customers trust us:
- Thorough Diagnosis – We don’t just fix symptoms; we find the root cause to provide a lasting solution.
- Experienced Technicians – Our team is highly trained and experienced, familiar with all major HVAC brands, including Lennox.
- Customer Satisfaction – We take pride in leaving our customers happy and comfortable, knowing their HVAC system is in the best possible hands.
- Transparent Pricing – No hidden fees or surprises; we offer clear, competitive pricing for all our services.
The Benefits of a Properly Maintained Central AC and Heat Pump
When you invest in regular maintenance and timely repairs for your central AC and heat pump, you’re investing in the longevity of your system and the comfort of your home. A well-maintained system offers several benefits:
- Increased Efficiency – Clean, well-functioning components mean your system can cool and heat more effectively without wasting energy.
- Lower Utility Bills – With an efficient system, you’ll likely see a decrease in energy costs.
- Extended Lifespan – Regular maintenance can add years to the life of your central AC, delaying the need for a costly replacement.
- Improved Indoor Air Quality – A clean system helps keep the air in your home fresh and free from contaminants.
AirGreen – Your Trusted Partner in HVAC Services Across Montreal
At AirGreen, we understand that HVAC issues can disrupt your life. That’s why we’re committed to providing fast, reliable service that brings peace of mind to our customers. Whether it’s a central AC repair, heat pump installation, or annual maintenance, we approach each job with the same dedication and attention to detail.
This recent repair on the Rive Nord is just one example of how we go above and beyond to ensure customer satisfaction. From pinpointing refrigerant leaks to thoroughly cleaning condenser coils, we take every step necessary to restore comfort and efficiency.
Contact Us for Your HVAC Needs
If you’re experiencing issues with your Lennox central AC, or any other HVAC system, don’t hesitate to reach out to us. AirGreen is here to provide top-tier HVAC services tailored to your needs, keeping your home comfortable all year round.
The big day, step by step
The main steps of this kind of job at AirGreen. Every house has its quirks: the estimate brings them out.
The symptoms, since when, the model (on the unit's label) and the error code if there is one.
We look for the cause, not just the symptom: readings, components, installation.
Repair, part to order or replacement, depending on the failure. We explain what we found.
The repair is done and parts replaced as needed.
The unit is restarted and checked in its operating modes.
What caused the failure and what can keep it from coming back.
- Your callThe symptoms, since when, the model (on the unit's label) and the error code if there is one.
- On-site diagnosisWe look for the cause, not just the symptom: readings, components, installation.
- The optionsRepair, part to order or replacement, depending on the failure. We explain what we found.
- The workThe repair is done and parts replaced as needed.
- TestsThe unit is restarted and checked in its operating modes.
- AdviceWhat caused the failure and what can keep it from coming back.
Your own project, step by step
What to do, season by season
Three habits per season for this unit. They take a few minutes and prevent many calls.
- Check the indoor module's filter.
- Clear winter debris from the outdoor unit.
- Test cooling before the heat arrives.
- Check the filter more often in peak season.
- Keep registers and returns clear.
- Watch condensate drainage near the coil.
- Change or clean the filter.
- Test heating and backup heat before the cold.
- Book periodic maintenance.
- Clear snow around the outdoor unit.
- Store nothing in front of the indoor module.
- Note any unusual noise or smell and call us.
Four statements: true or false?
It all comes down to details you have just seen.
1. A central heat pump uses the house's ducts.
It connects to the existing ducts to heat and cool everywhere.
2. In extreme cold, electric backup heat can take over.
The indoor module (furnace or air handler) works with the heat pump and takes over in extreme cold.
3. The filter only gets changed when the unit breaks down.
A dirty filter cuts airflow. It gets checked regularly.
4. You can reuse the old unit's size without checking.
The house may have changed: insulation, windows, added rooms. Capacity is confirmed on site.
0 / 4 right answers
What people ask us about this kind of work
What should I have ready before calling?
Repair or replace?
Can I keep my current ducts?
What happens in extreme cold?
Furnace, air handler, ducted: what is the difference?
Are there grants?
Do I need a permit?
Does AirGreen hold the required licences?
Is the estimate free?
No question matches. Write to us: we answer.
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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).