An exemplary outdoor installation on a terrace, designed for the Montreal climate
At AirGreen , we installed a Sharp Eco Inverter wall-mounted heat pump for an apartment in the Verdun area (Montreal) . The outdoor unit is positioned on a tiled terrace , near a patio door . It rests on a raised aluminum support equipped with anti-vibration pads , which guarantees stability, sound discretion and durability despite the freeze-thaw cycles typical of the riverside.
We approach this type of project with a clear logic: performance, compliance, aesthetics . The refrigeration and electrical connections follow a direct path to the interior head, insulated and capped at the exposed sections to preserve the COP in heating and ensure a clean appearance along the facade. All wall penetrations are sealed to protect the building envelope and prevent air or water infiltration.
Why a raised stand changes everything
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It elevates the condenser above snow and meltwater, extending the life of low-lying components.
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It mechanically separates the device from the ground and limits the transmission of vibrations .
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It facilitates maintenance (cleaning the exchanger, access to the electrical box, pressure readings).
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It guarantees compliant air releases around the exchanger, crucial for defrost flow rates.
The safe bet: Sharp Eco Inverter for Greater Montreal
The wall-mounted heat pump has established itself as the most energy-efficient solution for many homes in Montreal, Laval, Longueuil, on the South Shore and the North Shore . Sharp's Eco Inverter range focuses on:
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variable speed technology that adapts power to actual needs to reduce consumption;
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a discreet blower with even air distribution;
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the presence of Plasmacluster Ion treatment, appreciated for indoor air quality ;
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reliability in cold weather when commissioning complies with best practice (leak test, deep vacuum, defrost calibration).
In this Verdun configuration, the wall-mounted head serves the living area adjacent to the patio door. Depending on the surface area and insulation, the 12,000 to 18,000 BTU range offers appropriate sizing, capable of finely modulating in mid-season while delivering the necessary power during cold peaks.
Mechanical design: stability, silence and protection of the terrace
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Raised aluminum chassis with anti-vibration pads on each foot to absorb micro-vibrations from the compressor.
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Fan orientation and clearances respected to maintain optimal airflow and avoid recirculation.
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Galvanized/stainless steel screws against corrosion; torque controls to withstand gusts and frost .
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Interface mat under each pad to protect the tile and distribute the load.
Refrigeration and food processing: efficiency and compliance
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Continuously insulated copper connections , with rigid cover at the foot of the facade for a neat finish and UV protection.
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Short, straight route to limit bends, reduce pressure losses and preserve seasonal yields.
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Accessibly positioned proximity switch (RBQ/CSA requirement) and waterproof sheathed wiring on the outside.
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Sealed wall crossings (mastic/collar) to prevent any infiltration and thermal bridges.
Condensate management on the interior side
The wall-mounted head drains condensate by gravity with a controlled slope. When the configuration requires it, we integrate a condensate pump with a safety tank and alarm; here, the geometry of the part allows for simple and reliable drainage , reducing maintenance and the risk of overflow.
The AirGreen method: a controlled process from identification to delivery
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Simplified load identification and calculation to validate the BTU capacity adapted to the space.
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Location : choice of terrace area limiting the length of connections and preserving traffic flow.
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Pre-assembly of the support , checking leveling and clearances .
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Nitrogen brazing and circuit leak testing .
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Deep vacuum to remove moisture and non-condensable gases (key to compressor durability ).
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Opening the valves, switching on the power and reading the currents .
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Performance checks : delta T supply/return in cold and hot conditions, defrost inspection, operating noise.
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User settings : shutter orientation, night mode, usage advice (set temperatures, filter maintenance).
Each site is documented to ensure traceability and full compliance with guarantees .
Concrete results for the client
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Four-season comfort : rapid temperature rise in winter and effective dehumidification in summer.
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Quiet : The raised support and anti-vibration pads significantly reduce sound transmission to the interior and surrounding areas.
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Energy savings : inverter modulation smooths consumption compared to electric baseboards.
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Aesthetics : discreet cladding at the foot of the facade, harmonious integration near the patio door.
Best practices and pitfalls avoided on Montreal terraces
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No blowing in front of the patio door : avoid recirculation of hot/cold air and condensation on the glass.
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Respect the lengths/differences in altitude recommended by the manufacturer to maintain the COP and the warranty.
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Protection of the coating : pads and interfaces to avoid concentrating loads on the tiles.
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Defrost runoff management : Keep equipment away from sensitive seals and door sills.
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Visible and accessible disconnect switch for maintenance and safety.
HVAC Maintenance: Maintaining Performance Year After Year
AirGreen offers a maintenance program tailored to wall-mounted heat pumps installed in Montreal, Laval, Longueuil, on the South Shore and the North Shore . On the menu:
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Cleaning of filters, coils and tank; checking of pressures and intensities .
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Checking the electrical connections and support anchors.
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Inspection of the condensate drain and exterior casing.
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Energy assessment and instruction recommendations according to occupancy.
Annual maintenance ensures optimal air quality , stable performance and increased compressor longevity .
Installation summary sheet
| Element | Details |
|---|---|
| Place | Verdun, Montreal |
| Kind | Wall-mounted heat pump – outdoor unit on tiled terrace |
| Brand / Range | Sharp – Eco Inverter |
| Indicative capacity | 12,000 to 18,000 BTU depending on the area served |
| Support | Raised aluminum chassis with anti-vibration pads |
| Course | Isolated and covered connections, short distance, sealed crossings |
| Electricity | Proximity disconnect and RBQ/CSA compliant wiring |
| Condensates (interior) | Gravity evacuation with controlled slope |
| Special features | Installation near a patio door , clear maintenance access, calibrated defrosting |
AirGreen: your HVAC partner in Verdun and throughout Greater Montreal
Our commitment: clean, compliant and durable HVAC installations , rigorously commissioned and monitored by responsive local maintenance . Whether you are in Montreal, Laval, Longueuil , on the South Shore or the North Shore , we design systems that integrate with your building and optimize your comfort at the best operating cost. For a project on a terrace or balcony, our team guides you from sizing to the first heating season , with a single point of contact and controlled deadlines.