Repair of an Air Handler in Old Port
Our AirGreen team recently repaired a Lincoln air handler in Old Port, restoring its functionality with electrical repairs and a thorough cleaning. Discover our HVAC repair expertise in Montreal.

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 of a Lincoln Electric Furnace Air Handler in Old Port
At AirGreen, we specialize in HVAC repairs and maintenance of heating, ventilation, and air conditioning (HVAC) equipment throughout the Montreal, Laval, Longueuil, and North and South Shore regions. Recently, our team was called to repair a Lincoln air handler in Old Port, an electric furnace model that was no longer working properly. This article will detail the challenges encountered during the repair and how we restored the unit to full functionality, ensuring the comfort of our customer.
Identified Issue: Lincoln Air Handler Breakdown
During our service call, the customer reported that their Lincoln air handler was malfunctioning. This heating and ventilation unit had stopped blowing air, causing discomfort throughout the house. A quick analysis revealed that the device had a blockage in the electrical circuit, as well as a buildup of dust in the internal components that was affecting its proper functioning.
Accurate Diagnosis and Analysis
One of the first steps in our process is to perform a precise diagnosis of the unit. In this case, the Lincoln air handler was unresponsive to heating commands, despite repeated attempts by the owner. After isolating the unit and inspecting the electrical connections, we found a minor short circuit in the furnace’s system. Additionally, a thorough cleaning of the filters and ducts was needed to prevent future blockages.
Repair Steps Taken
We took several steps to effectively repair the air handler. Here is an overview of the actions taken by our technicians:
-
Disconnection and Isolation of the Unit: For safety, we first cut the power to the air handler.
-
Inspection and Repair of the Electrical System: After opening the control panel, we located the short circuit. We had to replace some damaged electrical wiring.
-
Complete Cleaning of Internal Components: We conducted a deep cleaning of the air handler’s internal system, removing accumulated dust from the fans and filters, which is essential to maintain optimal performance and avoid motor overload.
-
Final Functionality Test: Once the repairs were completed, we tested the unit to ensure the air handler was working correctly. We checked the airflow and the temperature of the output to confirm everything was in order.
Results and Customer Satisfaction
After the repair, the Lincoln air handler resumed its efficient operation, blowing warm air evenly throughout the customer’s home. The customer expressed satisfaction, highlighting not only the speed of the intervention but also the high quality of service provided by our skilled team of technicians.
Why Choose AirGreen for Your HVAC Repairs in Montreal, Laval, and Longueuil?
At AirGreen, we are committed to providing responsive, reliable, and high-quality service for all HVAC repairs. Our experienced technicians are trained to work on a wide range of heating and air conditioning systems, including air handlers, heat pumps, water heaters, and other ventilation devices. We also offer energy-efficient solutions and specialize in repairing equipment from renowned brands such as Lincoln, Goodman, Bosch, and more.
High-Quality HVAC Repair Service
We understand the importance of keeping your equipment in perfect working condition, not only to ensure your comfort but also to extend the lifespan of your appliances. Our team uses certified replacement parts and advanced techniques to ensure that your repairs are performed to the highest standards.
Qualified Technicians at Your Service
Our technicians are trained to diagnose and quickly repair any issues with your HVAC systems, whether it's a minor maintenance task or a major repair. On every service call, we are dedicated to delivering exceptional customer service, paying attention to every detail, and explaining each step of the repair process.
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.
Useful pages for what comes next
More jobs to see, near you
By town, by equipment or by region: browse more than 4,700 published projects.
Each dot: a town where AirGreen has published projects. The glowing dot: this job.
Tell us about your house. We come and see it for free.
The on-site estimate is free and the quote follows within 24 hours.
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).
