In urban living, every centimeter counts. In Ville-Marie, in the heart of Montreal, we installed a Zephyr wall-mounted heat pump in a typical condo space: clean lines, tight circulation, and a glass door leading to a balcony. The objective was clear: to improve comfort in both summer and winter , without compromising the interior aesthetics or performance.
The type of machine: a Zephyr wall-mounted heat pump (mini-split)
The photo clearly shows a wall-mounted indoor unit : a long, compact format, installed high up, with a diffuser on the front. This is the classic configuration of a wall-mounted heat pump (mini-split) , ideal for:
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Quickly air-condition a living area (living room, open area, bedroom),
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Efficient heating during mid-season and winter (depending on the external configuration),
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Reduce costs compared to less efficient solutions (electric baseboard heaters alone, old portable air conditioners, etc.).
Here, the brand to use is Zephyr (as supplied), and since the exact model is not legible in the image, we describe the installation as a new generation Zephyr wall-mounted heat pump , chosen to meet the needs of the condo and the constraints of the location.
A strategic location: above the door, for maximum efficiency
The choice of location is a crucial point, and in this project, it is particularly revealing of the realities of Ville-Marie:
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The unit is installed very close to the ceiling , which promotes good air circulation.
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It is placed above the glass door (often an exit to a balcony), a common location in condos where available wall space is limited.
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This position also helps to counteract the heat losses and gains associated with glazed surfaces (drafts in winter, overheating in the sun in summer).
At AirGreen, we always ensure that the device can breathe : minimal clearances, no obstructions, and airflow direction to avoid blowing directly towards a passageway or a corner that is too closed.
Prominent installation details: clean finish and discreet integration
Even though the photo does not show the outdoor unit, several elements indicate an installation designed to be clean and durable :
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No visible pipe cover on the front: this suggests that the connections (refrigerant + drain) were made discreetly , probably via a hole behind the unit.
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The unit is properly leveled and aligned: essential for good condensate drainage and to avoid noise/vibration.
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Installation in a clear and minimalist space: the integration respects the aesthetics of the condo, which is a very important criterion in an urban environment.
In practice, an installation of this type always includes:
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Careful management of the condensation drain (to avoid drips, backflow, or moisture in the wall),
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Adequate insulation of the lines to prevent condensation and energy loss ,
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A compliant electrical connection, adapted to the building's configuration.
The specific challenges of owning a condo in Montreal: noise, regulations, and outdoor location
In Ville-Marie, each project has its own specific constraints. Often, the question isn't simply "installing," but installing without creating problems .
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Condominium regulations : location and noise level of the outdoor unit, duct passages, facade aesthetics.
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Access : narrow balcony, high ceilings, close neighbors.
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Acoustic comfort : in a condo, a heat pump must be silent, but also well installed to avoid any vibration.
At AirGreen, our approach is to anticipate: solid fixing, suitable supports, vibration reduction, and planning of line routing for a discreet result.
Performance and everyday comfort: the real advantage of a Zephyr wall-mounted unit
A properly sized and installed wall-mounted heat pump is:
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Rapid cooling during the heat and humidity episodes typical of Montreal,
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Efficient heating to maintain comfort (especially during the shoulder seasons),
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A more consistent feeling of comfort, with precise control.
In a condo, this changes everything: less discomfort near the windows, better temperature stability, and a system that becomes “invisible” in the routine… because it simply works.
Why the installation makes all the difference
Two installations that look identical on paper can produce very different results in practice. The difference lies in:
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Proper positioning of the interior head (air diffusion, clearance, circulation),
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The quality of the drilling and sealing,
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Drainage (often neglected, but critical),
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Commissioning (testing, pressure testing, functional checks),
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Attention to detail.
At AirGreen, we carry out this type of project in Montreal every week, and it is precisely in these details that the value lies: comfort, reliability, and peace of mind .