LG TripleZone MULTI F R32 Heat Pump | 48000 BTU Compressor
SEER2 (Seasonal Air Conditioning Efficiency)
HSPF2 (Seasonal heating efficiency)
EER2 (Instantaneous efficiency in air conditioning)
COP at -8 °C (Heating energy efficiency)
CFM (Airflow) (12,000 BTU***)
A multi-zone architecture designed for the real comfort of homes and plexes in Greater Montreal
In real life, a property never has "just one ideal temperature." The living room in an open-concept space receives solar gain, the kitchen generates heat daily, the bedrooms require more discreet comfort at night, and the basement often dictates a completely different approach. It is precisely in this type of situation that a multi-zone heat pump becomes so valuable.
The LG TripleZone MULTI F R32 Heat Pump | 48,000 BTU Compressor (outdoor unit UMXB481A ) is designed to power multiple indoor units, distribute energy according to the demand of each room, and maintain stable comfort in typical Montreal , Laval , Longueuil , North Shore and South Shore contexts: multi-storey houses, plexes, partial renovations, additions, and condominiums where needs change from one zone to another.
At AirGreen , we find that this type of product becomes particularly relevant when the owner wants to:
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avoid compromises (one room too hot, another too cold);
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reduce manual adjustments (thermostats and endless remote controls);
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to obtain a more stable system, which works continuously rather than in "power surges";
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to implement a modern, clear, and easy-to-use solution for everyday life .
What “48,000 BTU” actually means in a multi-zone system
The figure 48,000 BTU corresponds to the nominal cooling capacity of the outdoor unit. But in a multi-zone configuration, what matters is not just the "total" capacity: it's the ability to modulate , to prioritize one zone over another, and to respond to varying loads, minute by minute.
In practical terms, this allows for very common scenarios:
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The family room in full sun requires a significant effort in the afternoon;
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the rooms require a gentler touch in the evening;
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A closed office used for teleworking deserves stable comfort at fixed times;
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A basement requires slower, more constant, often less aggressive control.
Instead of operating in a simple "on/off" fashion, the system adjusts its speed to match the demand. The result: a more stable temperature , a greater sense of comfort , and often more logical energy consumption over the season.
The advantage of multi-zone management: managing three zones, but also a single energy strategy
A multi-zone system isn't just about adding up indoor units. It's a comfort strategy . The outdoor unit acts as a central hub, intelligently distributing energy. Once properly configured, the system becomes incredibly easy to use: you live, and the machine adjusts.
Examples of typical layouts (and why they work)
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Two-story house : living area on the ground floor + bedrooms upstairs + office/basement.
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Plex (duplex / triplex) : one zone per floor, or one “day” zone + two “night” zones.
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Rear extension : the extension often has windows and a different thermal load: a dedicated area avoids overloading the rest.
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Partially renovated property : the focus is on living and sleeping areas without redoing the entire central layout.
In these cases, a well-sized multi-zone system often solves a recurring problem: the feeling that "the unit is forcing" or that "it's blowing too hard" in a room, because we are trying to compensate elsewhere.
R-32: a modern base, useful for efficiency and stability
The R-32 refrigerant is part of the logical evolution of the sector. For the owner, the most tangible difference is seen primarily in the result: a modern appliance, with a design that aims for good efficiency and stable performance over the seasons.
What matters on a daily basis:
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a more flexible response under partial load (most of the time);
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a good balance between comfort and consumption;
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a current technical platform, with a finer control logic.
Heating: how to read performance usefully, here in our own home
In Greater Montreal, heating isn't a "bonus." It's a major necessity. When choosing a heat pump, you want to know what it can actually deliver when temperatures drop.
The key point is simple: a heat pump can be very efficient, but it must be well chosen and properly installed . With a multi-zone system, this also means ensuring that the distribution of the indoor units corresponds to the actual layout of the rooms.
At AirGreen, we take the time to think about these elements:
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the actual insulation (not the one “on paper”);
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exposure (south-facing vs shaded);
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air volumes (high ceilings, stairwells);
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the areas that should be given priority (bedrooms, office, open area);
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the way the family uses the space (presence, schedules, doors closed/open).
Because even the best machine in the world becomes average if the zone strategy is inconsistent.
A relevant product when the house has “complex” thermal behaviors
Some buildings in Greater Montreal have well-known characteristics:
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brick facades, significant thermal inertia;
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interior staircases that allow hot air to rise;
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rooms in a row, variable air circulation;
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extensions or renovations creating an imbalance;
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Partially finished basements that "pull" comfort down.
In these cases, a multi-zone approach provides a structured solution: you don't fight the house, you work with it . You give each zone the necessary tools to be comfortable, and you avoid overworking a single unit.
Example of an AirGreen site: three zones, three uses, a single control logic
We often work on scenarios where the client explains:
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"the room is always colder";
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"the living room overheats as soon as there is sun";
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"The basement is damp and uncomfortable in the summer."
In a TripleZone configuration, the zones can be organized so that:
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the living room/open area manages peak loads (sunlight, cooking, gatherings);
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the chambers remain in maintenance mode, quieter, more stable;
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the basement obtains a more constant temperature, without overheating.
The notable difference is seen in the routine: fewer variations, fewer complaints, and a feeling that the house is "balanced".
Installation: where a multi-zone system gains or loses its value
A multi-zone system is very efficient… if the installation is done correctly. At AirGreen, we consider installation an essential part of the final performance.
1) Route planning and aesthetics
In Montreal, Laval, and Longueuil, many homeowners want:
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discreet refrigeration pipes;
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pipe covers that are properly aligned;
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an outdoor unit that is well positioned, without obstructing the passageway or the courtyard.
These are good expectations. But the aesthetics must remain compatible with:
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accessibility for maintenance;
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protection against ice and snow;
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proper air circulation;
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vibration reduction.
It is often in these details that we see the difference between a "correct" installation and a clean and sustainable one.
2) Supports, vibrations and noise: managing the neighborhood
In tighter courtyards or with walls close together, the perceived noise depends greatly on the medium and transmission.
Our typical best practices:
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choose the right support (on the floor or wall depending on the context);
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limit structural transmission;
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avoid areas of resonance (corners, close parallel walls);
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plan a position that respects interior comfort (bedroom windows, etc.).
The result is not just “less dB”. It's a better quality of life, and fewer daily irritants.
3) Drainage and management of winter conditions
In winter, a heat pump must handle defrosting. If the location is poorly chosen, you end up with:
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ice accumulation;
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slippery areas;
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problematic drainage;
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maintenance is more difficult.
We position the outdoor unit to:
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avoid critical accumulations;
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allow adequate clearance;
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protect the components from splashes of water and snow.
Choosing the right indoor units: the key to a truly comfortable TripleZone system
A TripleZone system is not simply defined by "three identical heads." In practice, the choice of indoor units must reflect:
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the size and use of each piece;
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thermal load (sun, windows, kitchen);
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the desired noise level (bedrooms vs living areas);
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possible air circulation (doors often closed, corridors, etc.).
A simple logic that we often apply
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Daytime area (lounge/open area): priority on capacity and distribution.
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Night area (bedrooms): priority on stability, silence, and support.
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Basement/office area : priority on consistency and adaptation to summer humidity.
This logic seems obvious, but it avoids a common mistake: installing unsuitable indoor units and then trying to "correct" them through programming. A good hardware foundation simplifies everything.
Programming and habits: getting the most out of life without complicating things
A multi-zone system becomes truly valuable when used intelligently. We often recommend:
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realistic guidelines (avoid going from 18 to 25 all at once);
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simple schedules (maintained when the area is not occupied);
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using Wi-Fi to better track and adjust.
The biggest gain isn't a "secret trick." It's consistency: a stable system works better than a system that's forced.
Electrical: a non-negotiable step for a clean installation
On a device of this category, the electrical aspects must be thoroughly checked:
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panel capacity;
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caliber of the protective devices;
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spinning path;
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compliance with safety rules.
At AirGreen, this step is part of our standard approach, because performance is useless if the system is not installed flawlessly and in accordance with regulations.
Maintenance: what we clearly explain to homeowners
A multi-zone heat pump remains simple to maintain, but two things need to be understood:
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Multiple indoor units mean multiple filters and points of attention.
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The stability of the system depends on good air circulation.
What really helps
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Regular cleaning of the filters (simple, quick);
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keep areas clear (curtains, furniture blocking air);
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plan periodic maintenance (especially before the peak seasons).
A structured interview improves:
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temperature stability;
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air quality;
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consumption;
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and the overall lifespan.
Common mistakes to avoid (and how we prevent them from the start)
1) Size by feel
A south-facing glass-enclosed room can be surprising. A stairwell can absorb heat. We design the space taking into account the realities of the building.
2) Neglecting volumes and heights
High ceilings, mezzanines, and open spaces change everything. The area must be designed for air distribution, not just for square footage.
3) Install without thinking about future service
A multi-zone system must remain accessible for maintenance, diagnostics, and future interventions. We avoid "impossible" locations that create unnecessary costs later on.
4) Create areas that contradict each other
A zone heated to the max and a zone cooled at the same time: poor comfort, poor energy efficiency. We are implementing a coherent setpoint strategy.
Why choose AirGreen for this type of LG TripleZone?
This product has real value when installed with a holistic approach: comfort, aesthetics, compliance, and actual use. At AirGreen , our approach is distinguished by:
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a practical reading of the needs (building + habits);
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proper planning of pathways and integration;
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a structured installation, designed for sustainability;
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a service geared towards resolution, not temporary solutions.
We work every week in Montreal , Laval , Longueuil , on the North Shore and the South Shore , and we know the typical constraints: plexes, tight yards, brick facades, limited access, and high expectations for the finish.
A coherent solution for precise comfort, zone by zone, all year round
The LG TripleZone MULTI F R32 Heat Pump | 48,000 BTU Compressor is particularly suitable when:
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the house has different living areas;
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Comfort must be stable, quiet, and intelligently managed;
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You want a modern, multi-zone solution without constant compromises.
It's a solid option for those who want a system that adapts to the home, rather than the other way around.
Next Step
For an on-site estimate and clear recommendations (zone allocation, choice of indoor units, exterior integration, electrical compliance) in Montreal , Laval , Longueuil , on the North Shore or South Shore , contact AirGreen . We offer a logical, sustainable, and perfectly tailored multi-zone solution for your property.
