The ideal combination of four-season comfort and meticulous finishing in a downtown condo.
Context and comfort objectives
In this high-rise apartment in Ville-Marie , we aim for stable comfort in both summer and winter, controlled consumption and impeccable visual integration. The chosen wall-mounted heat pump — Gree Vireo R32 (recent range) — meets these priorities thanks to its quiet operation, its R-32 efficiency and its precise remote control.
Technical data and performance in brief
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Type : wall-mounted heat pump (mini-split) with direct expansion, heating and air conditioning mode.
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Brand / Range : Gree — Vireo R32 (new generation).
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Refrigerant : R-32 , lower GWP than R-410A.
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Operating range : low temperature heating adapted to the climate of Greater Montreal.
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Comfort : discreet digital display on the front, motorized shutters for even diffusion.
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Controls : dedicated wall remote control, fine adjustments (flow, oscillation, Night mode).
Installation details — what makes the difference in a downtown condo
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Interior installation : wall head positioned high, away from the ceiling to ensure free air intake and avoid recirculation.
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Short and clean technical route : right side exit towards the facade, white capping matching the wall for minimalist visual integration.
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Single drilling of ± 65 mm (≈ 2 ½ in) with gravity slope for condensate drainage — no risk of water returning to the housing.
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New high-density insulated refrigeration lines , UV-shielding tape and waterproof caps on the exterior side.
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Anti-vibration support for the outdoor unit (balcony/terrace) to limit noise transmission to the building.
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Dedicated code-compliant power supply , appropriate circuit breaker and shielded communication cable for reliable exchanges between units.
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Professional commissioning : nitrogen test, vacuum drawing down to ≤ 500 microns using a digital vacuum gauge , stabilization and leak test before releasing the fluid.
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Comfort calibration : orientation of the shutters to avoid direct airflow onto the sleeping area and optimize stratification in heating mode.
Result: tangible comfort and controlled consumption
From the first hour of operation, the temperature stabilizes without deviations, the noise levels remain contained and the air diffusion covers the living room and the kitchen area evenly. In summer, the wall-mounted air conditioner mode dehumidifies effectively; in winter, the heating mode maintains constant comfort while reducing dependence on auxiliary heating.
Why the Gree Vireo R32 in Greater Montreal
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Seasonal efficiency adapted to Montreal's typical long mid-season periods.
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R-32 : better mass performance and lower climate impact compared to R-410A.
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Proven components and stable control electronics ensure durability for everyday use in condos.
Grants and Eligibility
Depending on the sizing and performance criteria, this HVAC installation may be eligible for certain programs in effect in Quebec. We systematically check the scales and prepare the file when the model and configuration meet the requirements (Montreal, Laval , Longueuil , North Shore , South Shore ).
AirGreen Best Practices for Condos
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Condensates : priority to gravity drain with constant slope; pump only if required by the architecture.
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Acoustics : anti-vibration pads, positioning outside resonance zones, checking the balcony railing fixings.
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Aesthetics : choice of white accessories (capping, plates, screws) to blend in with the decor, flush outlet cover.
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Exterior Protection : Snow/ice shield and regulatory clearances for winter performance.
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Service : Clear access to service panels for annual HVAC maintenance.
Maintenance: Keeping Performance at Peak
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Filters : Light vacuuming every 4–6 weeks; wash in warm water as needed.
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Exchanger : gentle cleaning of the fins; avoid corrosive products and high-pressure jets.
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Annual inspection : checking pressures, blowing temperatures, electrical tightening, condition of insulation and drain .
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Good use : reasonable set temperature, Night mode activated if necessary, shutters in slow oscillation to homogenize the air.
Pitfalls to avoid (field feedback)
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Installing the head too close to a beam/fall creates air recirculation and noise: we maintain sufficient clearance.
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Drain without slope or connected to an internal siphon: source of odors and water alarm. We favor the short route to the outside.
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Multiple unnecessary drilling: a single route is planned as soon as measurements are taken to preserve the envelope.
What you gain with AirGreen
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Dimensional engineering : BTU selection and location validated on plan and on site.
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Careful installation and instrumented commissioning .
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Full support : maintenance, operating advice and administrative support for subsidies when applicable.
Do you want the same level of finish in your condo or house in Montreal , Laval , Longueuil , on the North Shore or the South Shore ? At AirGreen, we transform an installation into a real improvement in lasting comfort .