Lennox – Maintenance, cleaning, repair & parts for heating and cooling

For over a decade, Tran Climatisation has been the trusted choice for Lennox equipment in Greater Montreal. We focus exclusively on preventive maintenance, deep cleaning, repair, and certified parts replacement for Lennox air conditioners, heat pumps, and furnaces. Our certified technicians provide fast service in Montreal, Laval, the South Shore, and the North Shore. With us, you always benefit from a free quote and  emergency service, available year-round.

Lennox: Over 125 years of innovation and energy efficiency

Founded in 1895 in the United States, Lennox is a world leader in heating and cooling technology. It is synonymous with:

  • High energy efficiency, with numerous ENERGY STAR® certified models
  • Proven durability, built for harsh winters and humid summers like Quebec’s
  • Cutting-edge technology, including systems compatible with smart thermostats and home automation
  • Trusted reliability, used in multiple homes in Quebec and Canada

Tran Climatisation ensures your Lennox systems operate at peak performance, delivering comfort all year long.

Which Lennox systems do we service and repair?

Our certified technicians maintain and repair the most common Lennox units in Quebec, including:

  • Lennox central heat pumps
  • Lennox gas furnaces

We provide precise diagnostics and fast repairs, always with genuine Lennox replacement parts to preserve long-term performance.

What services do we offer for Lennox equipment?

Our complete service offering for Lennox systems includes:

  • Preventive maintenance: Annual inspections, filter cleaning, and performance optimization
  • Full cleaning: Coils, filters, ducts, and both indoor and outdoor units
  • Fast, guaranteed repairs: Accurate on-site diagnosis with genuine Lennox parts
  • Certified parts replacement: Filters, motors, compressors, circuit boards, fans, and more

With Tran Climatisation, you are guaranteed professional, fast and efficient service, perfectly adapted to your residential, commercial and industrial needs. Our certified technicians travel in fully equipped service trucks with genuine parts and all necessary tools, allowing us to complete most maintenance, cleaning and repairs on the very first visit

Common problems with Lennox systems – and our solutions

Even though Lennox is known for premium quality, some issues may occur over time:

  • Water leaks or condensation: caused by clogged drains or improper airflow
  • Unusual noises: linked to worn motors or dirty fans
  • Loss of performance: often due to clogged filters or coils
  • Sudden shutdowns: caused by defective circuit boards
  • Temperature instability: requiring sensor adjustments or replacements

Our technicians quickly identify these issues and provide lasting solutions, backed by certified Lennox parts.

Why choose Lennox over another brand?

On the Quebec market, brands like Carrier, Goodman, Payne, and Haier are common. Lennox stands out because of its:

  • Superior energy efficiency compared to entry-level systems
  • Advanced technology, including compatibility with smart thermostats and automation
  • Extended durability, often exceeding that of more affordable brands
  • Premium positioning, trusted for both residential and commercial applications

Relying on Tran Climatisation for your Lennox systems ensures you get specialized service tailored to this high-end brand.

Why maintain your Lennox equipment?

Regular service is essential to keep your Lennox system running at its best. It allows you to:

  • Lower energy bills with optimized efficiency
  • Extend lifespan (12 to 18 years on average with proper maintenance)
  • Improve indoor air quality, thanks to clean filters and ducts
  • Prevent costly breakdowns through proactive inspections
  • Ensure safety, by checking gas and electrical components thoroughly

What are the benefits for our clients?

By choosing Tran Climatisation for your Lennox systems, you benefit from:

  • Lower operating costs through reduced energy consumption
  • Greater indoor comfort with stable temperature and improved air quality
  • Fast, local service across Greater Montreal
  • A free, transparent quote before any intervention
  • Guaranteed repairs, always with certified Lennox parts
  •  emergency service, available year-round

Why choose Tran Climatisation for your Lennox systems?

  • Recognized specialist in Lennox maintenance, cleaning, repair, and certified parts
  • Over 10 years of proven HVAC expertise
  • Certified technicians with advanced diagnostic tools
  • Exclusive use of genuine Lennox parts
  • Free quotes and transparent service
  •  emergency service, summer and winter
  • A solid reputation built on speed, reliability, and client satisfaction

Our certifications & accreditations

Tran Climatisation is recognized by the most credible organizations in the industry:

Service areas

Our Lennox services cover the entire Greater Montreal and Montreal’s South Shore region:

  • Laval: Chomedey, Sainte-Dorothée, Duvernay, Laval-des-Rapides
  • Montreal: Ahuntsic, Rosemont, Ahuntsic-Cartierville, Anjou, Villeray, Côte-des-Neiges
  • Montreal’s South Shore: Longueuil, Brossard, Boucherville, Saint-Hubert
  • Montreal’s North Shore: Terrebonne, Blainville, Sainte-Thérèse, Repentigny

FAQ – Lennox maintenance, cleaning, repair & parts

Does Tran Climatisation sell and install Lennox systems?

No, we only provide maintenance, cleaning, repair, and certified parts replacement.

What is the average lifespan of Lennox units?

On average, 12 to 18 years, depending on use and maintenance.

Is annual maintenance required?

Yes, yearly service is strongly recommended to maintain efficiency and prevent costly breakdowns.

Do you provide  emergency service for Lennox?

Yes, our  emergency response covers all of Greater Montreal.

Do you stock Lennox parts?

Yes, we maintain a full inventory of filters, motors, compressors, fans, and circuit boards.

What common problems do you repair?

Leaks, compressor failures, clogged filters, unusual noises, electronic malfunctions, and more.

Are your Lennox repairs guaranteed?

Yes, all our repairs are guaranteed and performed exclusively with genuine Lennox parts.

Can I get a free quote before a repair?

Absolutely. Every intervention begins with a detailed, free estimate.

Are Lennox systems compatible with smart thermostats?

Yes, most modern Lennox units integrate seamlessly with smart home technology.

How does Lennox compare to other brands?

Lennox is considered a premium brand, offering greater efficiency, advanced technology, and longer durability compared to lower-cost alternatives.

Tran Climatisation: Your trusted Lennox partner!

For more than a decade, Tran Climatisation has been the top choice for Lennox maintenance, cleaning, repair, and certified parts in Montreal, Laval, the South Shore, and the North Shore. Our technicians combine expertise, responsiveness, and transparency to deliver a service you can trust.

Trust Tran Climatisation with your Lennox systems

Don’t let a faulty Lennox furnace, heat pump, or air conditioner reduce your comfort. Whether you need annual maintenance, a complete cleaning, an emergency repair, or certified parts replacement, Tran Climatisation is your reliable partner.

Contact us today to:

  • Request your free quote
  • Schedule preventive maintenance

Access our  emergency service

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Areas we serve

Greater Montreal
Laval
Montreal's North Shore
Montreal’s South Shore / Montérégie
Greater Montreal
  • Ahuntsic-Cartierville
  • Anjou
  • Baie-d'Urfé
  • Beaconsfield
  • Côte-des-Neige-Notre-Dame-de-Grâce
  • Côte-Saint-Luc
  • Dollard-Des Ormeaux
  • Dorval
  • Hampstead
  • Île des Sœurs
  • Kirkland
  • L'Île-Bizard-Sainte-Geneviève
  • Lachine
  • Le-Plateau-Mont-Royal
  • Le-Sud-Ouest
  • Mercier-Hochelaga-Maisonneuve
  • Montréal
  • Montréal-Est
  • Montréal-Nord
  • Mont-Royal
  • Pierrefonds-Roxboro
  • Pointe-Claire
  • Rivière-des-Prairies-Pointe-aux-Trembles
  • Rosemont-La-Petite-Patrie
  • Sainte-Anne-de-Bellevue
  • Saint-Laurent
  • Saint-Léonard
  • Senneville
  • Verdun
  • Ville-Marie
  • Villeray-Saint-Michel-Parc-Extension
  • Westmount
Laval
  • Auteuil
  • Chomedey
  • Duvernay
  • Fabreveille
  • Laval-Ouest
  • Laval-des-rapides
  • Laval-sur-le-Lac
  • Sainte-Dorothée
  • Saint-François
  • Sainte-Rose
  • Pont-Viau
  • Vimont
Montreal's North Shore
  • Laurentides
    • Blainville
    • Boisbriand
    • Bois-des-Filion
    • Deux-Montagnes
    • Laval
    • Lorraine
    • Mirabel
    • Rosemère
    • Sainte-Anne-des-Plaines
    • Sainte-Marthe-sur-le-Lac
    • Sainte-Thérèse
    • Saint-Eustache
    • Saint-Joseph-du-Lac
  • Lanaudière
    • Charlemagne
    • L'Assomption
    • Mascouche
    • Repentigny
    • Terrebonne
Montreal's South Shore / Montérégie
  • Acton
    • Acton Vale
    • Roxton Falls
    • Waterloo
  • Beauharnois-Salaberry
    • Beauharnois
    • Sainte-Martine
    • Salaberry-de-Valleyfield
  • Le Haut-Richelieu
    • Mont-Saint-Grégoire
    • Saint-Jean-sur-Richelieu
  • Marguerite-D'Youville
    • Contrecoeur
    • Saint-Amable
    • Sainte-Julie
    • Varennes
    • Verchères
  • La Vallée-du-Richelieu
    • Beloeil
    • Carignan
    • Chambly
    • McMasterville
    • Mont-Saint-Hilaire
    • Otterburn Park
    • Saint-Basile-le-Grand
  • Les Jardins-de-Napierville
    • Napierville
    • Saint-Rémi
  • Les Maskoutains
    • Saint-Hyacinthe
    • Saint-Pie
  • Longueuil
    • Boucherville
    • Brossard
    • Longueuil
    • Saint-Bruno-de-Montarville
    • Saint-Lambert
    • Saint-Hubert
  • Rouville
    • Marieville
    • Saint-Césaire
    • Saint-Mathias-sur-Richelieu
  • Vaudreuil-Soulanges
    • L'Île-Perrot
    • Les Cèdres
    • Notre-Dame-de-l'Île-Perrot
    • Pincourt
    • Rigaud
    • Saint-Lazare
    • Saint-Zotique
    • Vaudreuil-Dorion
  • Roussillon
    • Candiac
    • Châteauguay
    • Delson
    • La Prairie
    • Mercier
    • Saint-Constant
    • Saint-Philippe
    • Sainte-Catherine

Our accreditations

Since 2010, Tran Climatisation has held recognized certifications and accreditations that guarantee the quality, safety and energy efficiency of our services. A true mark of trust, they demonstrate our commitment to excellence for residential, commercial and industrial clients across Montreal, Laval, the South Shore and the North Shore.

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