In Rosemont–La Petite-Patrie, stacked apartments with brick rear balconies are commonplace. In this typical neighborhood building, our team was called in to install aSharp wall-mounted heat pump on the rear facade, providing the client with year-round comfort while respecting the existing balcony structure and masonry.
A typical Rosemont building, comfort in need of modernization
The project concerns an apartment located on the upper floor, courtyard side, with:
-
A rear facade in red brick , marked by the years;
-
A metal balcony with railings, very popular in summer;
-
A sliding patio door leading directly into the kitchen or living room;
-
A relatively low exterior ceiling (soffit), limiting the available height.
The client wanted:
-
Replacing an aging system with a reliable and energy-efficient solution ;
-
Enjoy summer comfort even during heat waves;
-
Benefit from efficient supplementary heating to reduce the use of electric heating;
-
Ensure that the installation is solid, safe and discreet , despite the constraints of the balcony.
Choosing the Sharp wall-mounted heat pump
We recommended the installation of a Sharp wall-mounted heat pump , ZU1 series type (approximately 12,000 BTU), perfectly suited to this type of Rosemont housing.
This range is distinguished by:
-
Four-season operation : air conditioning in summer, efficient heating at temperatures well below zero;
-
Inverter technology , which continuously modulates power to offer stable comfort and reduced energy consumption;
-
The use of a modern refrigerant (R-32) , which is more efficient and has less impact on the environment than older refrigerants;
-
A reliable compressor, designed to withstand Quebec winters, frost and repeated defrosting cycles;
-
A controlled noise level , important when the outdoor unit is close to a frequently used balcony.
The Sharp brand is among the wall solutions that we regularly install in Greater Montreal: robust, well suited to urban housing and compatible with current energy performance requirements.
Positioning the outdoor unit on the rear facade
The photo shows the Sharp outdoor unit securely fixed to metal wall brackets , directly onto the red brick, above the balcony level. This positioning serves several purposes:
-
Free up floor space on the balcony for occupants (furniture, plants, BBQ);
-
Ensure sufficient clearance around the unit for air circulation, crucial for air conditioning and heating performance;
-
Maintain a safe height to avoid impacts, accidental kicks, or the risk of vandalism;
-
Leave a clear area under the unit for defrosting in winter and condensate drainage in summer.
We have taken care to respect the minimum distance with the ceiling soffit, as well as with the handrail and the patio door, in order to guarantee optimal operation and good accessibility for future maintenance.
Fixings, vibrations and masonry protection
Installing a heat pump on a brick facade requires specialized expertise. For this project in Rosemont–La Petite-Patrie, we have:
-
Use sturdy wall brackets , suitable for the weight and dimensions of the Sharp heat pump;
-
Secure the anchors in the masonry with appropriate plugs , in order to properly distribute the loads;
-
Added anti-vibration pads under the unit to reduce resonances in the metal structure of the balcony;
-
Verified that the fixing points do not damage the existing brick and that the joints remain well protected against water infiltration.
The objective is twofold: to guarantee a solid long-term installation and to preserve the integrity of the facade, even after several freeze/thaw seasons.
Management of refrigeration connections and power supply
The cables and pipes form the "circulation system" of a heat pump. In this project, we have:
-
Routed the refrigerant lines between the Sharp outdoor unit and the wall-mounted indoor unit, minimizing length and bends, in order to preserve performance;
-
Carefully insulated the pipes to prevent energy loss and condensation;
-
Protected everything with discreet conduits and channels, for a clean visual finish on the brick;
-
Installed a compliant electrical supply with an appropriate circuit breaker, according to the manufacturer's requirements and the Quebec Electrical Code;
-
A service switch is planned near the outdoor unit to facilitate maintenance and future interventions.
The cables visible in the photo are fixed in an orderly manner, without excessive tension, in order to avoid any premature wear.
Commissioning: Performance tested for hot summers and harsh winters
After the mechanical installation, our team proceeded with the complete commissioning of the Sharp heat pump:
-
Rigorous vacuuming of the refrigeration circuit to eliminate air and moisture.
-
Checking the system's leak tightness using a pressure test.
-
Gradual start-up in air conditioning mode, then in heating mode, with measurements taken (inlet and outlet temperatures, intensity, pressures).
-
Noise and vibration control: the unit had to remain stable, without any resonance that was bothersome to the occupants or neighbors.
-
Explanation to the customer of how the remote control works and the different modes (eco, night, automatic defrost, etc.).
This protocol allows us to guarantee that the heat pump is ready to face both the July heatwave and the January cold .
Results: comfort, savings and peace of mind
Thanks to this Sharp wall-mounted heat pump installation in Rosemont–La Petite-Patrie, the client now benefits from:
-
Significantly superior summer comfort : no more overheated balcony transmitting heat into the apartment;
-
A high-performance auxiliary heater that helps reduce electricity bills, especially during the off-season;
-
A reliable system, signed AirGreen , with a safe and durable installation ;
-
The presence of a recent heat pump increases the value of the property , being a concrete asset for resale or rental.
AirGreen: HVAC partner for your brick facade projects in Montreal
At AirGreen, we're used to working on typical Montreal buildings like this one: brick facades, metal balconies, space constraints, close neighbors. We know how to:
-
Choose the right Sharp wall-mounted heat pump based on your home's layout;
-
Position and fix the outdoor unit without compromising the masonry or the use of the balcony;
-
Ensure professional commissioning to maximize the lifespan of your equipment;
-
We will then support you with regular maintenance , cleaning and after-sales service.
Whether you are in Rosemont–La Petite-Patrie, in the Plateau, in Hochelaga, in Laval or on the South Shore, we can offer you a complete turnkey solution.