A clean, brick-matched connection path: a HVAC installation designed to last and respect the aesthetics of Rosemont's plexes.
Project background
In Rosemont–La Petite-Patrie, we are working on a red brick plex typical of the area. The client's goal: to ensure four-season comfort in the main unit, with a recent wall-mounted heat pump that is efficient in cold weather, quiet, and visually understated. We offer a Sharp ZU1 (R-32) range , renowned for its heating performance in cold weather and its energy efficiency. The installation must remain discreet on the facade, bypass openings, and allow for simple maintenance.
Why the Sharp ZU1 range for a Montreal brick building
Performance and winter comfort
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High efficiency inverter compressor, stable heating in freezing weather.
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R-32 refrigerant, with a lower GWP than R-410A and therefore more responsible.
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Modulated indoor airflow to reduce temperature differences between rooms.
Silence and sobriety
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Outdoor unit on wall brackets with anti-vibration pads to limit structural transmission in the masonry.
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Sober beige fairing and robust grille promote low perceived noise in the yard and among neighbors.
Simplified maintenance
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Direct access to the outdoor unit and covered connection path facilitating leak checks and adding protection if necessary.
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Washable filters on the inner head side, easy maintenance reminder to integrate into your seasonal routine.
What we achieved on site
Route of refrigeration and electrical connections
On the brick rear facade, we chose a rigid brown capping that matches the concrete joints and sills. The path follows a vertical rise from the condenser, then a horizontal landing under a window sill before rising to the target floor. This diagram:
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Preserves aesthetics : straight lines, clean cuts, neat angles.
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Protects connections against UV rays, snow drifts and impacts.
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Provides slope for condensate drainage when air conditioning mode is used, reducing the risk of stagnation.
All communication and power wiring is grouped inside the cover, avoiding exposed wiring. Sufficient clearance is maintained around the outdoor unit for ventilation and service operations.
Condenser mounting and vibration management
The Sharp condenser is mounted on galvanized wall brackets , with high-density anti-vibration pads . This configuration:
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Frees up ground clearance (useful when clearing snow).
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Reduces vibration transmission through masonry.
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Makes it easier to remove snow from under the device when it accumulates.
Drilling and sealing
We make a through-hole of the appropriate diameter, lined with a sleeve and compliant fire-resistant foam . On the outside, a sealing cap completes the finish before capping. On the inside, the outlet is properly dressed , guaranteeing airtightness to avoid energy losses and prevent condensation .
Working height and safety
The presence of a floor window and exterior lighting required precise positioning of the capping angles to preserve clearances and avoid any conflict with existing equipment. Work at height is carried out with secure ladders and anchors , in accordance with applicable standards.
Result: performance, silence and visual integration
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Constant comfort thanks to fine modulation of the compressor and optimized defrosting .
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Reduced noise level both outside and inside.
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Respected facade : the brown capping and tight angles fit in with the masonry lines and window sills .
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Maintenance made easier by clear access to service points.
HVAC Operation and Maintenance Tips for a Rosemont Plex
Recommended settings
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For heating, choose a stable setting (e.g. 21°C) and let the inverter modulate.
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In air conditioning, use the dehumidification mode during humid episodes in July and August for increased comfort without lowering the temperature excessively.
Seasonal maintenance
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Clean filters every 6 to 8 weeks during periods of heavy use.
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Visual inspection of the capping and clearing of vents around the condenser in spring and fall.
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Annual HVAC maintenance : checking pressures, condensate drainage, connection insulation and electrical tightening.
Montreal winter: best practices
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Maintain snow clearance under and around the outdoor unit.
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Avoid blowing snow directly onto the device.
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Allow the defrost cycle to run uninterrupted to protect the exchanger.
Key technical details of our installation
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Equipment type : Sharp wall-mounted heat pump , ZU1 range (R-32).
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Support : wall brackets with anti-vibration pads .
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Route : vertical + horizontal capped (brown capping), angles adjusted for window outline and lighting.
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Waterproofing : sleeved drilling, firestop, external cap, freeze-thaw resistant joints.
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Drainage : gravity drainage via continuous slope in the hood when the configuration allows; alternatives by condensate pump provided according to the interior context.
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Service access : front and side clearance maintained for ventilation and maintenance.
Grants and eligibility in Greater Montreal
Recent high-efficiency R-32 wall-mounted heat pumps may be eligible for assistance programs based on heating capacity and performance ratings . We support our clients in Montreal, Laval, Longueuil, the North Shore, and the South Shore to validate eligibility, prepare the required documents , and optimize the project's financial structure .
What a plex owner should remember
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Choose a heat pump adapted to the size of the rooms and the reality of Montreal winters.
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Take care with integration : harmonized capping, precise angles, clearances respected.
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Prevent humidity : controlled drainage, airtightness.
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Schedule maintenance : Annual HVAC maintenance protects warranty and performance.
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Looking at the life cycle : the Sharp ZU1 R-32 range combines comfort, operating costs and environmental impact.
Our AirGreen commitment
We operate weekly in Rosemont–La Petite-Patrie and the surrounding neighborhoods. Our strengths: precise diagnosis , careful execution , respect for masonry , and comprehensive support (selection, installation, maintenance, and financial assistance procedures). For a wall-mounted air conditioner or a wall-mounted heat pump that blends in with the lines of your facade and performs well in the heart of winter, we provide a turnkey and sustainable solution .
Frequently Asked Questions (short version)
Can I add more heads later?
Yes, depending on the configuration. We evaluate the refrigerant charge and lengths, and propose a compatible MultiZone solution if necessary.
What if I renovate the facade?
The capping can be removed cleanly. We coordinate with the masonry team to reinstall the connections and maintain the seal.
Noise from the neighborhood?
The placement, buffers , and defrosting management significantly limit perceived noise. A technical inspection can optimize orientation and clearances.
Next step
Need a HVAC system that's as clean and durable as possible for your plex in Montreal, Laval, Longueuil, North Shore or South Shore ? We perform an on-site assessment , size the BTU capacity, verify the power supply and suggest the best combination of performance, aesthetics and maintenance for your building.