Illustration of an eco-friendly air conditioning unit surrounded by lush green forest, promoting energy efficiency in Québec. RBQ #5645-9605-01.

Get a quote for your project in less than 24 hours anywhere in Saint-Lazare!

✅ Over 15 years of experience!

✅ Over 10,000 customers trust us!

✅ Warranty included for every product and service!

✅ Transparent and competitive pricing!

✅ The largest selection in Quebec, residential and commercial!

✅ Quick and professional installation!

✅ Work protected by $5,000,000 liability insurance!

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Permits and Regulations: Saint-Lazare

If you are planning an air conditioning, ventilation or heating project in Saint-Lazare, it is essential to find out beforehand whether you need to obtain a permit.

Furthermore, it is strongly recommended to consult the regulations in force concerning the installation of heat pumps or air conditioners to ensure a compliant and trouble-free implementation!

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AirGreen is proud to be part of:

Logo of Corporation des maîtres électriciens du Québec with blue emblem and text on light background.
Logo of Régie du bâtiment Québec with fleur-de-lis symbols.
Logo of the Commission de la Construction du Québec with geometric design.
Concessionnaire Sharp OR seal with red ribbon on green background.
Concessionnaire Fujitsu Elite badge showcasing Airstage détaillant status on a green background.
Logo of "Concessionnaire Midea Pro Partner" in green and white text.
Concessionnaire GREE Elite branding image with logo and text on green background.

Certain Categories of Residential Air Conditioning, Ventilation & Heating in Saint-Lazare

Modern wall-mounted air conditioner in a living room, providing efficient cooling in a bright and minimalistic space.
Hand wearing bracelets pointing at a blank wall, ceiling lights visible.

Don't make the mistake of buying a wall-mounted system without reading our 2025-2026 Buying Guide ! Discover the best models, our tips for saving money, and everything you need to know before making your choice. Click here to access this essential guide and make a smart investment now!

Some of Our Partners in Saint-Lazare

Some of our Repair Services in Saint-Lazare

Sharp AirGreen AIREST air conditioner with WiFi and energy-efficient features, rated by RenoClimat and Energy Star.

In Stock at AirGreen!

A New Standard in Air Conditioning and Air Purification!

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Certain Categories of Commercial Air Conditioning, Ventilation & Heating in Saint-Lazare

  • Collage of modern cityscapes with industrial buildings, scenic views, and sunset skyline featuring silhouetted birds and smokestacks.
  • Modern commercial spaces with large windows, greenery, and industrial interiors showcasing natural light and ventilation systems.
  • Industrial HVAC systems, cooling fans, and units in a large warehouse facility highlighting ventilation and climate control technology.

Some of our Cleaning Services in Saint-Lazare

Some of our recent service calls

Information before buying

AirGreen vehicles and equipment in a vibrant autumn setting, ready for HVAC installation and climate services.

Regional roots and structured expertise

A family business established in Montreal for over 15 years, AirGreen Air Conditioning & Heating has developed extensive expertise in the installation of new HVAC systems for residential, commercial, and industrial projects. This expertise is exemplified by projects completed in Saint-Lazare , where architectural, energy, and regulatory constraints are integrated from the design stage. Sustained expansion on the South Shore, supported by the Boucherville showroom, strengthens the company's capacity to coordinate and deploy projects of varying sizes, while maintaining a rigorous approach focused on quality workmanship. This presentation describes only AirGreen's approach to new installations and does not limit the overall scope of its activities.


  • expertise applied to buildings of various types

  • internal organization adapted to multi-site projects

  • technical continuity ensured from design to commissioning
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Wall-mounted Fujitsu air conditioner in a modern room setting.

Technological choices adapted to built uses

The systems described here are exclusively for new installations , selected according to the specific characteristics of houses, multi-unit dwellings, commercial spaces, and mixed-use buildings. AirGreen designs and installs wall-mounted heat pumps , wall-mounted air conditioners, central heat pumps , central air conditioners , multi-zone systems , air-to-water systems , PTAC/VTAC systems, as well as ventilation solutions including air exchangers, humidity control, and fresh air supply. Equipment selection is based on a precise analysis of volumes, occupancy profiles, and thermal loads, consistent with long-term operational and energy efficiency objectives.


  • adaptation to the physical constraints of the building

  • consistency between actual needs and installed capacity

  • seasonal performance optimization
Wall-mounted Sharp eco inverter air conditioner surrounded by green foliage

Sustainable performance-oriented execution process

Each project follows a structured methodology dedicated to new systems , integrating functional analysis, load assessment, equipment compatibility verification, installation coordination, and final commissioning. This approach aims to guarantee operational reliability , controlled scalability , and stable performance over time, regardless of the building's complexity or intended use. The work organization and commissioning sequence are designed to ensure seamless integration of the systems into the built environment.


  • Technical validation before deployment

  • synchronization of installation steps

  • functional check during startup
Gree inverter air conditioning unit mounted outdoors against a brick wall.

Regulatory framework, sustainability and local relevance

Project success relies on regulatory compliance, rigorous coordination, and comprehensive commissioning procedures, including technical documentation and structured system handover. AirGreen assists its clients in understanding Hydro-Québec and federal subsidy programs , without guaranteeing their approval or outsourcing the responsibility. Emphasis is placed on sustainability , operational stability, and long-term energy efficiency—criteria that are particularly crucial for projects located in Saint-Lazare , where the alignment between design, local climate, and actual use determines the long-term value of the installations.

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Career: Join the AirGreen team in Saint-Lazare!

Join our dynamic team at AirGreen! We have several positions available in the Saint-Lazare area and the rest of the Montérégie region!

  • Refrigeration Technician / Refrigeration Specialist
  • HVAC Installer
  • Duct installers
  • Apprentices
  • Sales Representative
  • Customer Service Representative
  • Maintenance staff
  • Estimator
  • Warehouse staff
  • Project Manager
  • And many others!
View our job offers and apply now!