Four-season comfort and aesthetic discretion in the heart of Rosemont
At AirGreen , we recently installed a Sharp ZU1 wall-mounted heat pump in a charming apartment in the Rosemont–La Petite-Patrie sector of Montreal. This residence, typical of Montreal plexes with high ceilings and built-in storage, presented an interesting challenge: integrating a heating and air conditioning system that was efficient, quiet, and visually discreet .
A thoughtful choice: the Sharp ZU1, efficiency and design combined
The customer was looking for a reliable solution that could provide consistent comfort all year round , even in the bitter cold of January. The Sharp ZU1 , which runs on R-32 refrigerant , proved to be the ideal choice thanks to:
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Its stable performance down to −25°C ;
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Its high-efficiency inverter technology reduces energy consumption;
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Its sleek design fits harmoniously into a modern interior;
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Its ultra-quiet operation (barely 21 dB in standby mode).
This wall-mounted heat pump model is ideal for urban housing where every decibel counts, while complying with the latest environmental standards.
A neat installation in a small space
The indoor unit was installed above a built-in cupboard , in a strategic area that allows for optimal air diffusion throughout the room. This configuration, although restricted in height, required:
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Precise wall mounting to ensure unobstructed airflow;
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Clean routing of refrigerant connections through the load-bearing wall;
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Discreet electrical wiring , hidden under matching white capping ;
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The addition of a silent condensate pump , essential given the installation level above the cupboard.
The goal: to preserve the visual purity of the room while maximizing airflow efficiency.
A smooth and efficient installation day
The intervention, planned over a full day, was carried out by our team specializing in the installation of wall-mounted heat pumps in Montreal .
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Initial inspection and identification of load-bearing walls ;
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Through-hole for refrigeration lines and condensate drain;
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Fixing the mounting plate and installing the inner head;
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Connection of the outdoor unit (located on the wall bracket on the rear balcony);
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Commissioning tests and air flow calibration .
Thanks to our expertise, no structural adjustments were necessary, and the customer was able to immediately enjoy the comfort provided by the Sharp ZU1.
Energy performance and subsidies
The Sharp ZU1 is Energy Star certified and eligible for financial assistance programs such as Rénoclimat and Chauffez vert , depending on the applicable conditions. By opting for this model, the customer has not only improved their thermal comfort, but also reduced their energy footprint and operating costs.
The main advantages:
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Up to 35% energy savings compared to conventional electric heating;
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Reliable heating down to −25°C without loss of power;
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Fast and even cooling even during summer heat waves.
Key technical details
| Element | Detail |
|---|---|
| Kind | Wall-mounted heat pump (mini-split) |
| Make / Model | Sharp ZU1 – 12,000 BTU |
| Refrigerant | R-32 (ecological) |
| Minimum operating temperature | −25 °C |
| Sound level | 21–40 dB depending on mode |
| Energy | 115V/230V – High efficiency inverter |
| AirGreen Installation | Interior head above the cupboard, condensate pump, white capping, discreet wall drillings |
Result: discreet and lasting comfort
The final result is distinguished by its elegant and functional integration . The Sharp ZU1 now ensures balanced comfort , while remaining almost invisible in the layout of the home. The air is distributed evenly, without cold drafts or shadows, providing a perfectly controlled indoor climate in summer and winter.
At AirGreen , we place particular importance on the quality of execution and aesthetic harmony of each HVAC installation. This project in Rosemont is a good example of our expertise: meticulous, clean work, and constant attention to technical and visual details.
Why choose AirGreen for your HVAC installation in Montreal
Our experts assist each client from selecting the right heat pump to complete commissioning . Whether for a condo in the Plateau, a house in Laval, or a duplex on the South Shore, we offer:
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Personalized advice according to your space and your budget;
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An installation certified to comply with electrical and mechanical standards;
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Preventive maintenance ensuring the durability of the system;
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Complete support for grant procedures.
AirGreen – your HVAC partner in Montreal, Laval, Longueuil, North Shore and South Shore.
Combining technical expertise, respect for the environment and energy performance, we make each project a lasting success.