A careful intervention in a bright condo in the Plateau
At AirGreen , we are regularly contacted by co-owners in the Plateau-Mont-Royal looking for four-season comfort without increasing their electricity bill. In this apartment, we are installing a Fujitsu Altair (R-32) wall-mounted heat pump , a recent generation designed for Montreal's extreme cold and the space constraints specific to central buildings. The indoor unit is integrated above a passageway, at the ideal height for even distribution, while preserving the clean aesthetic of the home.
Customer context
The owner wanted to replace an aging unit and gain more stable heating between October and April, while maintaining precise air conditioning for heat waves. His priorities: silence , efficiency , visual sobriety and a project carried out without dust or surprises.
Why the Fujitsu Altair (R-32) is exactly what you need
Performance and energy efficiency
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R-32 Technology : Next-generation refrigerant offering better heat transfer and reduced charge, with less environmental impact than R-410A.
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High Efficiency : The Altair range features a highly competitive SEER and HSPF designed for harsh winters, resulting in tangible energy savings year-round.
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Extreme cold weather : maintaining stable heating capacity when the outside temperature drops, a key point in Montreal , Laval , Longueuil , the North Shore and the South Shore .
Acoustic comfort and precision
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Very quiet operation of the indoor head: ideal for a bedroom or open area.
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Fine regulation of temperature and airflow, to avoid deviations and drafts.
Aesthetics and compactness
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Discreet format, neutral lines, white casing matching the walls: the device visually disappears and respects the existing decoration.
What we are doing on this project: AirGreen methodology
1) Study and preparation of the wall-to-wall passage
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Precise tracing of the exit point on the back of the head, respecting the slope for gravity condensates .
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Checking the exterior wall and clearances for a short, direct route to the condenser (typical Plateau rear balcony/terrace).
2) Drilling and protection
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Hole saw drilling with continuous suction to limit dust.
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Wall-mounted ring installed, ensuring the sealing and cleanliness of the drilling.
3) Inner head pose
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Fixing on reinforced plate , perfectly level for condensate drainage without pump.
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Optimized height above the passage: long-range air diffusion without obstructing traffic.
4) Refrigeration connections and power supply
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New refrigeration lines , carefully flared , brazed where necessary and insulated along the entire length.
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Communication cabling and dedicated power supply protected in discreet white capping up to the exit point.
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Proper grounding and circuit breaker appropriate to the panel, sized according to the nameplate.
5) Condensate management
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Gravity drainage to the outside with continuous slope, without adding a pump (less maintenance and no parasitic noise).
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Non-return nozzle and discreet outlet on the rear panel.
6) Vacuuming, loading and testing
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Deep vacuum and vacuum hold to check for leaks.
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Opening of valves , checking of pressures , blown temperature and flow rate .
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Setting the heating and air conditioning mode, testing the shutters and calibrating the remote control .
Salient installation details observed on site
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Positioned above a door frame , allowing efficient air distribution in the living room.
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White interior capping , aligned with the head, guaranteeing a clean finish .
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Short connection path: we limit pressure losses and optimize thermal response .
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Standard, safe working height , without heavy scaffolding: quick and clean intervention for the occupant.
Result: immediate comfort and lasting savings
What the customer gains
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Stable heating from mid-season until the heart of winter.
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Precise air conditioning in summer, with better controlled humidity .
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Appreciable operating silence in the evening and at night.
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Lower operating costs compared to electric baseboard heaters or an old air conditioner.
Recommended maintenance
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Clean filters every 4 to 8 weeks depending on usage.
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Annual HVAC maintenance : pressure inspection, evaporator and condenser washing, electrical check.
Regular maintenance extends lifespan, maintains performance and prevents odors.
Grants and financial aid available
Recent R-32 wall-mounted heat pumps, efficient in extreme cold , are eligible for Quebec's main programs. We support our customers in:
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Hydro-Québec – LogisVert (main residences).
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Municipal and provincial programs when the equipment meets the efficiency criteria .
Our team prepares the required documents and guides the process , whether you are in Montreal , Laval , Longueuil , on the North Shore or on the South Shore .
Best practices and pitfalls to avoid in a Plateau condo
Best practices
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Choose a power (BTU) adapted to the actual volume, orientation and insulation.
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Favor a short route for refrigerated connections to limit losses and reduce response time.
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Ensure gravity drainage of condensates from the design stage to avoid pumps.
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Check the co-ownership rules : authorizations, condenser locations, work schedules.
Common Pitfalls
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Undersizing the unit in an open area: risk of operating at full capacity and overconsumption .
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Forget the slope of the drain: overflows are possible in summer.
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Neglecting to defrost the condenser in winter: reduced performance and excess electricity consumption.
Why entrust your project to AirGreen?
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Local expertise : hundreds of wall installations created each year in Greater Montreal .
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Mastery of recent brands : Fujitsu , Gree , Midea , Sharp and other R-32/R-454B models.
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Quality of execution : clean drilling, careful finishing, complete technical documentation.
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Administrative support : advice on grants and support until they are obtained.
Summary technical sheet of the intervention
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Type of equipment : wall-mounted heat pump (mini-split).
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Brand/Range : Fujitsu Altair (R-32) .
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Context : condo in Plateau-Mont-Royal .
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Evacuation : gravity , continuous slope, discreet rear exit.
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Finishes : white capping , reinforced mounting plate.
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Objectives : stable winter heating , uniform air conditioning , silence and energy savings .
Conclusion
This Fujitsu Altair (R-32) installation illustrates our approach: precise sizing , clean execution , invisible finishes and complete support up to subsidies . The result: immediate comfort , sustainable returns and a scalable solution perfectly adapted to the apartments of the Plateau-Mont-Royal and, more broadly, to all of Greater Montreal .