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In Contrecoeur, the services described here pertain exclusively to new installations , incorporating all major solution types according to building constraints and energy objectives. We install wall-mounted heat pumps and air conditioners for targeted zones, central heat pumps and air conditioners when overall distribution is required, and multi-zone systems to manage several spaces with independent controls. Air-to-water systems are chosen when hydronic systems better meet operational requirements, and PTAC/VTAC units are suitable for certain layout configurations. Ventilation (air exchangers, humidity control, fresh air supply) is integrated when air quality, flow rates, and humidity balance must be consistently controlled. This approach applies to houses , multi-unit residential buildings , commercial spaces , and mixed-use buildings , relying in particular on:

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  building characteristics (envelope, volumes, possible layout, constraints)
  
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  usage profiles (occupancy, schedules, internal gains, priority areas)
  
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  thermal loads and performance, modulation and control objectives
  
  The objective is to obtain a new system that regulates correctly, avoids overcapacity and maintains stable performance under real conditions.

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 Contrecoeur, 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:

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  durability of components and consistency of settings over time
  
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  operational stability validated during commissioning
  
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  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 Contrecoeur.