Quote within 24 hours Heat pump · Air conditioner · Wall-mounted & central

Heat pumps and air conditioners in Mont-Saint-Hilaire

Get a price for your work in less than 24 hours anywhere in Mont-Saint-Hilaire!

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!

QuoteWithin 24 hAfter the visit, residential and commercial.
EstimateFree, on siteWe come and see the house in Mont-Saint-Hilaire.
LicenceRBQ 5645-9605-01Subclasses 15.8, 15.10 and 16.
PermitTo be confirmedSee the bylaw summary
01 · Residential

Some residential air conditioning, ventilation and heating categories in Mont-Saint-Hilaire

See all

SHARP CPU Airest Wall Mounted Heat Pump | 12,000 BTU | Montreal, Laval, South Shore & North Shore

In Stock at AirGreen!

A New Standard in Air Conditioning and Air Purification!

SHARP CPU Airest Wall Mounted Heat Pump | 12,000 BTU | Montreal, Laval, South Shore & North Shore

Learn More

02 · AirGreen in Mont-Saint-Hilaire

AirGreen in Mont-Saint-Hilaire

Montreal family presence, rigorous execution: new facilities in Mont-Saint-Hilaire

AirGreen Air Conditioning & Heating is a family-owned business based in Montreal, active for over 15 years in the HVAC industry, with installation expertise applied to residential, commercial, and industrial projects. For new system projects, we carry out work in Mont-Saint-Hilaire, relying on a technical approach that prioritizes measurable performance: sizing based on actual load, clean mechanical integration, and initial settings consistent with the building's usage. Our expansion on the South Shore is supported by our Boucherville showroom, which strengthens our ability to configure compatible equipment and mobilize components suited to meticulously planned new installations. To ensure lasting stability from the moment of commissioning, our approach is based on:


  • capacity aligned with thermal load and occupancy profiles



  • seamless integration of networks (distribution, drainage, insulation, controls)



  • initial settings geared towards long-term operational stability

Types of new equipment and selection criteria for each building

In Mont-Saint-Hilaire, the services described here pertain exclusively to new installations , encompassing all major HVAC system types according to zoning, building envelope, and efficiency objectives. We install wall-mounted heat pumps and air conditioners when specific zones require precise control, central heat pumps and air conditioners when overall distribution is the priority, and multi-zone systems to manage multiple spaces with independent regulation. Air-to-water systems are preferred when hydronic systems better meet operational requirements, and PTAC/VTAC units are suitable for certain specific technical configurations. Ventilation (air exchangers, humidity control, fresh air supply) completes the installation when flow rates, humidity balance, and air quality must be consistently managed. This approach applies to houses , multi-unit residential buildings , commercial spaces , and mixed-use buildings , based in particular on:


  • building characteristics (volumes, envelope, possible layout, constraints)



  • usage profiles (occupancy, schedules, internal gains, priority areas)



  • thermal loads and performance, modulation and control objectives

    The objective remains to deliver a new system that regulates correctly, avoids overcapacity and maintains stable performance under real-world conditions.

New installation method: ensure compatibility and validate performance during commissioning

A new installation in Mont-Saint-Hilaire relies on a structured methodology aimed at reliability, scalability, and long-term stability. We proceed by analyzing the system to be implemented and evaluating the loads , then by verifying the compatibility between equipment, controls, and distribution (capacity, modulation, zoning, power supply, exhaust, ventilation integration). Installation coordination oversees the critical steps to maintain quality of execution, manage sensitive interfaces, and limit deviations that degrade performance. Final commissioning validates the actual operation of the system and allows for adjustments based on measurements, including:



  • flow rates, temperatures, pressures and control sequences



  • integrity of connections, drainage, insulation and waterproofing



  • system response to load variations and steady state stability

    This approach makes it possible to deliver reliable new systems, capable of adapting to evolving uses without compromising performance.

Compliance, document submission and sustainability: a relevant discipline in Mont-Saint-Hilaire

The durability of a new installation depends as much on the quality of execution as on regulatory compliance , coordination, and project close-out procedures. In Mont-Saint-Hilaire, our projects incorporate structured commissioning , the preparation of relevant documentation , and a clear system handover to guide configuration, adjustments, and operating parameters. AirGreen also supports clients in understanding applicable Hydro-Québec and federal subsidy programs, without presenting them as guarantees or as automatically outsourced administration. The goal is to link equipment selection to known criteria and an energy efficiency approach. This discipline is particularly relevant when projects require reliable control despite zoning, occupancy variability, or tight consumption targets, as it strengthens:


  • durability of components and consistency of settings over time



  • operational stability validated during commissioning



  • Energy efficiency supported by controlled sizing and integration

    A new system that is properly sized, properly integrated and properly commissioned is the most reliable basis for sustainable HVAC performance in Mont-Saint-Hilaire.

Get a 100% free quote!

03 · Permits and bylaws

Permits and Regulations: Mont-Saint-Hilaire

If you are planning an air conditioning, ventilation or heating project in Mont-Saint-Hilaire, 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!

Learn more

What the bylaw says
Permit
To be confirmedNot on the list of work needing a permit: confirm with urban planning
Distance from lot lines
1.5 mAt least 1.5 m from the lot lines
Noise limit
55 / 50 dB55 dB by day and 50 dB at night, at the lot line

Permits and bylaws · Checked on September 30, 2026. Summary only: the official bylaw prevails.

04 · Our installations

Some of our recent installations across Québec

See all

05 · Brands

Some of our partners in Mont-Saint-Hilaire

FUJITSU: Air Conditioning, Ventilation & Heating | Montreal, Laval, Longueuil, South Shore and North ShoreHITACHI: Air Conditioning, Ventilation & Heating | Montreal, Laval, Longueuil, South Shore and North ShoreSAMSUNG: Air Conditioning, Ventilation & Heating | Montreal, Laval, Longueuil, South Shore and North ShoreLG: Heating, Ventilation & Air conditioning | Montreal, Laval, Longueuil, South Shore and North ShoreSHARP : Heating, Ventilation & Air Conditioning | Montreal, Laval, Longueuil, South Shore and North ShoreMIDEA: Air Conditioning, Ventilation & Heating | Montreal, Laval, Longueuil, South Shore and North ShoreGREE : Heating, Ventilation & Air Conditioning | Montreal, Laval, Longueuil, South Shore and North ShoreDIRECT AIR: Air Conditioning, Ventilation & Heating | Montreal, Laval, Longueuil, South Shore and North ShoreCANAIR: Air Conditioning, Ventilation & Heating | Montreal, Laval, Longueuil, South Shore and North ShoreELIOS: Air Conditioning, Ventilation & Heating | Montreal, Laval, Longueuil, South Shore and North ShoreBOSCH : Heating, Ventilation & Air Conditioning | Montreal, Laval, Longueuil, South Shore and North ShoreFORESTAIR: Air Conditioning, Ventilation & Heating | Montreal, Laval, Longueuil, South Shore and North Shore
Buying guide

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

AirGreen is proud to be part of:
AirGreen refrigeration team
06 · Careers

Career: Join the AirGreen team in Mont-Saint-Hilaire!

Join our dynamic team at AirGreen! We have several positions available in the Mont-Saint-Hilaire 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!

See our job offers and apply now!

AirGreen · Air conditioning and heating

A heat pump or air conditioner project in Mont-Saint-Hilaire?

We come and see the house, and the estimate is free.

RBQ licence 5645-9605-01Subclasses 15.8, 15.10 and 16.
Free on-site estimate
Quote within 24 hours