Installation of a Zephyr R-32 wall-mounted heat pump in Griffintown (Montreal)

Four-season comfort in a modern condo with impeccable and quiet integration

In a bright apartment in Griffintown (Le Sud-Ouest, Montréal) , our AirGreen team installed a Zephyr R-32 wall-mounted heat pump designed to provide efficient heating and cooling year-round. The client wanted three things: silence , aesthetic simplicity and performance in extreme cold without sacrificing living space. The result: a compact, discreet and high-performance installation, designed for urban living.

The context: a glass space, a patio door and high comfort requirements

The living room has a large gable wall with a patio door opening onto a terrace. This type of space is pleasant, but imposes HVAC constraints: significant solar gain , air currents near the glazing and rapid temperature variations . We recommend a high-positioned wall unit here, capable of stratifying the air in air conditioning mode and gently circulating in heating mode to limit the cold wall effect near the glazing.

Why Zephyr R-32?

• R-32 refrigerant reduces carbon footprint and improves heat exchange.

• Zephyr wall units feature low interior noise levels , making them ideal for open areas.

• The operating range covers Montreal winter heating , while maintaining very good efficiency in mid-season.

• The remote control and discreet display on the front make daily use easy without disrupting the decor.

Our implementation strategy: performance, silence and aesthetics

Inner head positioning

We mounted the Zephyr head high on the wall adjacent to the patio door. This position:

• clears the air jet along the ceiling, then gently descends to even out the temperature in the living area;

• keeps turbulence away from the seating area;

• minimizes the visual footprint , maintaining clean lines in a modern setting.

Route and drilling

To limit pressure losses and maintain a clean appearance, we planned a short route :

• 65 mm through hole with gravity slope for condensate drainage;

• Insulated refrigerant connections and communication wiring grouped under white capping at the start of the unit;

• Airtightness treated with mastic and vapor barrier sleeve to preserve the thermal envelope.

Outdoor condenser

Outside, the condenser is placed on anti-vibration brackets (clear height from the ground for snow), oriented to promote air intake and reduce noise reverberation to the neighborhood. The disconnect switch is installed within easy reach, in accordance with current electrical regulations, and the connection to the panel has a dedicated circuit breaker .

Key technical details of the installation

• Total line length : planned short to optimize EER/SEER and facilitate service;

• Calibrated flared fittings , torque tightened and nitrogen leak tested before deep vacuum drawing;

• Commissioning : vacuum stabilization < 500 microns, control of overheating/undercooling and verification of currents ;

• Condensate management : discreet gravity drain , with flow test in cooling mode;

• Acoustics : silent blocks and verification of structural vibrations on exterior masonry.

Comfort felt and results measured

Upon switching on, the room quickly reaches the setpoint. Zephyr's "i-Feel" mode (temperature sensor on the remote control) allows for adjustment of the temperature to where the customer actually experiences the space. Customer feedback after 48 hours confirms:

• stable temperature near the patio door despite solar gain;

• almost non-existent noise pollution in the living room and dining area;

• immediate reduction in perceived humidity on a mild, damp autumn day.

Energy efficiency and operating costs

A properly sized wall-mounted heat pump can be a great replacement for electric convectors in the mid-season and provides the main heating system in the winter. In this condo:

• We estimate savings of 20 to 35% over the cooling period compared to an old portable air conditioner;

• As additional heating in autumn/winter, the COP greater than 2 in a wide outdoor range significantly reduces the bill compared to 100% resistive electric;

• The R-32 and DC motors promote long cycles at low speed , therefore better comfort and less jerks.

Interior aesthetics: when technology disappears

Griffintown rhymes with refined design . To preserve this spirit:

• No visible trunking on long sections: compact start , clean angle, satin white tint to blend into the wall;

• Channeled power wiring;

• Built-in drain slope to prevent water stains on the clear wall finish;

• Align the unit with the ceiling seal for a clear visual reading.

HVAC Maintenance: Recommended Annual Plan

To guarantee performance over time, we offer an annual maintenance plan :

1. Cleaning filters and tangential fan to maintain airflow and interior quality;

2. Dusting/antimicrobial of the exchanger;

3. Inspection of electrical connections and disconnect switch;

4. Drain test (filling and observation of flow);

5. Reading pressures/parameters in hot and cold modes, adjustments if required.

This maintenance avoids overconsumption , odors and traces of runoff that can appear in dusty urban environments.

AirGreen Tips for Montreal Condos and Plexes

• Sizing : favor 9k–12k BTU for a standard open condo area; beyond that, modulation may be less optimal.

• Placement : aim for a short connection path (exterior wall nearby) to limit losses and facilitate service.

• Acoustics : Move the condenser away from resonant angles and add high-performance silent blocks .

• Winter : Clear the air intake of snow, especially on sheltered terraces where accumulation is common.

• Solar gain management : combine the use of the heat pump with blinds/curtains to stabilize temperatures near south-facing windows.

Grants and Compliance

High-efficiency R-32 wall-mounted heat pumps are generally eligible for provincial programs when seasonal performance criteria are met. We support our clients in:

• eligibility verification ,

• preparation of supporting documents ,

• and the filing of applications after installation.
  Our work is carried out by certified technicians and complies with the requirements of the RBQ and current electrical standards.

Why AirGreen for your HVAC installation in Montreal, Laval, Longueuil, North Shore and South Shore?

• Specialists in urban environments (Griffintown, Old Montreal, Verdun, Plateau condos) and plexes with narrow balconies;

• Installation methodology focused on performance, silence and easy service;

• Multi-brand selection (Zephyr, Gree, Fujitsu, Midea, Sharp, etc.) to offer the right machine in the right place ;

• Local after-sales service : maintenance, troubleshooting, optimization of seasonal settings.

Conclusion

This Zephyr R-32 installation in Griffintown illustrates our way of working: precise analysis of the space , careful execution and tangible results in comfort and efficiency. For a similar project in Montreal, Laval, Longueuil, North Shore or South Shore , our AirGreen experts design a tailor-made solution that respects your architecture, your budget and your expectations for daily comfort.