Repair of a Trane XL90 Electric Furnace in Chambly
AirGreen repaired a Trane XL90 furnace in Chambly by replacing a faulty control relay. Discover how our team restored comfort for the client with a quick and professional intervention.
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.
Repair and troubleshooting of a Trane XL90 furnace in Chambly: recognized expertise for lasting results
At AirGreen, we specialize in the repair of heating, ventilation, and air conditioning systems (HVAC), providing exceptional services in the Montreal, Laval, Longueuil, as well as the North Shore and South Shore areas. Recently, we carried out an in-depth repair of a Trane XL90 electric furnace in Chambly, allowing our clients to restore optimal comfort in their homes. This article presents in detail this intervention, highlighting our technical expertise and commitment to providing high-quality service.
Service context in Chambly
The client, residing in Chambly, contacted AirGreen due to a malfunction in their Trane XL90 furnace, a high-performance model used for home heating. This system, which plays a crucial role in maintaining a comfortable temperature during the cold winter months, was malfunctioning. After noticing that the system was no longer producing heat, the homeowner quickly sought a professional to resolve the issue.
Diagnosis and problem analysis
Upon arrival, we immediately conducted a thorough diagnosis to identify the cause of the malfunction. One of the first things we noticed was an issue with the thermostat control, which was preventing the furnace from starting correctly. We also performed checks on the power supply and the internal components of the system, including the heating elements and the blower motor.
After a careful analysis, we determined that the issue was with a faulty control relay. This relay was defective and not allowing the furnace to receive the signal to turn on, causing the heating system to stop entirely.
Repair and solutions provided
Once the problem was identified, we proceeded with repairing the Trane XL90 furnace following a methodical and careful approach. The restoration involved several key steps:
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Replacing the faulty control relay: We ordered and installed a new relay compatible with the XL90 model, thus restoring the furnace’s functionality.
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Checking the heating elements: We inspected the heating elements to ensure they were operating correctly and not affected by any internal malfunctions.
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Cleaning and general maintenance: We performed a thorough cleaning of the system to ensure optimal efficiency and prevent future issues. This step included cleaning the filters and air ducts to improve airflow and the overall efficiency of the system.
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Performance testing: Finally, we conducted a series of tests to ensure that the system was operating at full capacity, verifying that the furnace was turning on correctly and that heat was being evenly distributed throughout the home.
Final result and customer satisfaction
After completing the repairs, we performed a full system check to ensure everything was functioning properly. The Trane XL90 furnace was restored to its full efficiency, providing our clients with reliable and effective heating for the upcoming months.
The homeowner expressed great satisfaction with the speed and quality of our intervention. Thanks to our technical expertise, we not only solved the immediate problem but also took steps to prevent future malfunctions.
Why choose AirGreen for your HVAC repairs in Chambly?
At AirGreen, we understand the importance of a functioning HVAC system, especially during the cold winters in Quebec. That’s why we provide high-quality repair services tailored to each specific need. Here’s why you should trust us for your Trane and other HVAC equipment repairs:
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Expertise and professionalism: Our technicians are certified and experienced, ensuring effective and timely handling of all your heating, ventilation, and air conditioning problems.
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Fast and reliable service: We understand the urgency of an HVAC system malfunction, which is why we offer fast and high-quality interventions in the Montreal, Laval, Longueuil areas, and beyond.
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Long-lasting solutions: We are committed to providing repairs that not only resolve the immediate problem but also ensure the long-term functionality of your equipment.
Contact AirGreen for your HVAC repairs in Chambly and surrounding areas
If you are experiencing problems with your Trane XL90 furnace or any other heating, ventilation, or air conditioning system, AirGreen is here to provide you with reliable and effective solutions. Contact us today to schedule a repair or get expert advice on the maintenance of your equipment. We will be happy to answer all your questions and provide you with superior service.
How it goes, from the first call to the end
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.
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.
Which type of equipment for your project?
Pick what looks like your need.
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).