Installation of a Tosot LomoPlus UltraHeat Wall-Mounted Heat Pump in Lorraine, North Shore
Facing structural challenges head-on, AirGreen installed a Tosot heat pump in Lorraine with ingenuity, ensuring client delight.
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The job on one screen
The article, chapter by chapter
The Art of Installation: A Testament to Ingenuity and Customer Satisfaction
Introducing AirGreen's HVAC Mastery
At AirGreen, we pride ourselves on delivering exceptional HVAC services across Montreal, Laval, Longueuil, and the shores that define our vibrant city. Our commitment to excellence recently found its way to a challenging yet fulfilling project in Lorraine, on the North Shore. Here, we embarked on an intricate installation of a Tosot LomoPlus UltraHeat Wall-Mounted Heat Pump, a task that not only tested our technical prowess but also our dedication to customer satisfaction.
The Challenge of Installation
The project presented a unique set of challenges that required both innovation and precision. Our mission was to install the indoor unit of the Tosot LomoPlus UltraHeat Wall-Mounted Heat Pump right at the heart of an apartment, bypassing structural limitations that would have deterred a less experienced team. The living room, which desperately needed the heat pump for optimal comfort, offered no direct access to external walls. This predicament demanded a strategic approach to positioning, piping, and wiring.
Strategic Planning and Execution
Our team embarked on a meticulous planning phase, during which we evaluated various pathways to route the essential components from the outdoor unit to the indoor epicenter. The solution? A minimalist approach that involved the least amount of drilling and structural adjustments. Through another room, we skillfully navigated the conduits, ensuring a seamless blend with the apartment’s aesthetics. This task underscored our adaptability and commitment to maintaining the integrity of our client’s home.
Technical Specifications and Features of the Tosot LomoPlus UltraHeat
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Energy Efficiency and Eco-friendliness: With an impressive 24.5 SEER rating, the Tosot LomoPlus UltraHeat stands out for its energy efficiency. Coupled with the Energy Star® certification, it epitomizes eco-friendly heating and cooling solutions.
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Connectivity and Control: The inclusion of WiFi capabilities allows users to manage their indoor climate with the touch of a button, offering unparalleled convenience.
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Capacity and Performance: Boasting an 18,000 BTU cooling capacity and a heating capability that withstands temperatures as low as -30°C, this heat pump is engineered for Canadian climates.
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Quiet Operation: With sound pressure levels as low as 34 dB(A) indoors, the unit operates almost whisper-quiet, ensuring your home remains a peaceful sanctuary.
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Durability and Assurance: The model comes with a robust 10-year warranty on both the compressor and parts, with an optional extended warranty for labor. This assurance speaks volumes about the product's reliability and longevity.
The Result: Beyond Expectations
Our customer's reaction to the completed installation was nothing short of ecstatic. The precision with which we executed the project, ensuring the indoor unit's placement was exactly where they envisioned, highlighted our customer-first philosophy. This project stands as a testament to AirGreen's ability to overcome installation hurdles with ingenuity and finesse.
Why Choose AirGreen for Your HVAC Needs?
Our recent installation in Lorraine exemplifies our unwavering dedication to quality, innovation, and customer satisfaction. At AirGreen, we:
- Understand the unique challenges presented by each project and approach them with tailor-made solutions.
- Employ a team of highly skilled professionals who are not just technicians but also problem solvers.
- Offer comprehensive consultations to ensure that our services meet your exact needs and preferences.
Conclusion: A Partnership for Comfort
Choosing AirGreen means opting for a partner who values your comfort and satisfaction above all. Our project in Lorraine is a clear indication of our ability to deliver sophisticated, efficient, and customer-centric HVAC solutions. We invite you to experience the AirGreen difference, where every installation is a step towards a more comfortable, energy-efficient, and satisfied home.
The job tools
Two quick checks with real numbers: what heat costs, and what your current heaters add up to in BTU/h.
Conversion: 1 W = 3.412 BTU/h. An indication, not a load calculation: baseboards and furnaces are often stronger than the real need, and they can stay as backup. AirGreen confirms the capacity on site.
How the job unfolds
The main steps of this kind of job at AirGreen. Every house has its quirks: the estimate brings them out.
We look at the room, the outside wall, the line route and where the outdoor unit will go. That is where the capacity gets chosen.
Model, capacity and price, in writing. We also check whether the model qualifies for assistance programs.
Floors and furniture protected, wall plate position marked level, wall opening located.
A single opening, with the slope the drain needs to flow outside.
Set on a stand raised above the snow, with the clearances the manufacturer requires.
Connected, insulated and protected. The opening is then sealed against water, cold air and insects.
A dedicated circuit and an accessible disconnect near the outdoor unit.
Leak test, vacuum, then start-up and a check of heating and cooling.
Remote, modes, filters: we show you the essentials before we leave.
- The on-site estimateWe look at the room, the outside wall, the line route and where the outdoor unit will go. That is where the capacity gets chosen.
- The quoteModel, capacity and price, in writing. We also check whether the model qualifies for assistance programs.
- Getting readyFloors and furniture protected, wall plate position marked level, wall opening located.
- The wall openingA single opening, with the slope the drain needs to flow outside.
- The outdoor unitSet on a stand raised above the snow, with the clearances the manufacturer requires.
- Lines, cable and drainConnected, insulated and protected. The opening is then sealed against water, cold air and insects.
- The electrical workA dedicated circuit and an accessible disconnect near the outdoor unit.
- Tests and start-upLeak test, vacuum, then start-up and a check of heating and cooling.
- The walkthroughRemote, modes, filters: we show you the essentials before we leave.
What we check on a job like this one
Each number is a point we check on site. Switch between summer and winter to watch air and heat move.
In summer, the outdoor unit rejects the house's heat outside.
Generic illustration of this type of installation, not a survey of this job site. Tap a number.
Mounted level on a wall plate, high enough for the air to reach the whole room, with enough space around it to slide the filters out easily.
The refrigerant lines, the communication cable and the drain go through the wall in a single opening, sealed against water, cold air and insects.
Two insulated copper pipes connect the two units. Outside, a line cover can protect them from sun, knocks and weather.
A shut-off switch near the outdoor unit isolates it safely for service. It must stay accessible at all times.
The compressor and the fan. In heating mode it captures heat from the outdoor air, even in winter, and moves it inside.
On the ground or on the wall, it keeps the unit above accumulated snow. The unit stays clear and defrost water can drain away.
The fan needs to blow freely. Storage, a fence or a wall too close, and efficiency drops while noise goes up.
Is your home ready?
Check what applies at your place. A "no" is not a refusal: it is what we sort out during the estimate.
Good habits, once the unit is in place
Six simple habits that keep the unit going. Your list stays on this device.
What to do, season by season
Three habits per season for this unit. They take a few minutes and prevent many calls.
- Clean the indoor unit's filters.
- Clear leaves and debris left on the outdoor unit by winter.
- Test cooling before the first hot days.
- Clean the filters more often when the unit runs a lot.
- Keep plants away from the outdoor unit.
- Check that no water drips from the indoor unit.
- Rake the leaves around the outdoor unit.
- Test heating before the first cold days.
- Book periodic maintenance before winter.
- Keep snow away from the stand and the front of the unit.
- Let the unit defrost: it is normal.
- Never hit the ice on the fins; call us if the unit stays iced up.
The right pages, at the right time
Four statements: true or false?
It all comes down to details you have just seen.
1. In heating mode, the outdoor unit can produce water.
During defrost cycles. That water must drain away without forming ice.
2. You pick the capacity with a simple square-footage rule.
Windows, insulation, orientation and how the room is used all count. Capacity is chosen on site.
3. A multi-zone connects several indoor heads to a single condenser.
One head per room, all on the same condenser. Each room keeps its own temperature.
4. The disconnect can sit behind the patio furniture.
It must stay accessible: it is what shuts the unit off for service.
0 / 4 right answers
What people ask us about this kind of work
Does a wall-mounted heat pump heat in winter?
Wall-mounted or multi-zone: how do I choose?
Where does the outdoor unit go?
Are there grants?
Do I need a permit?
How cold can it heat?
How much can I save?
How is the LogisVert assistance calculated?
Is it noisy?
The outdoor unit is covered in ice: is that normal?
Does AirGreen hold the required licences?
Is the estimate free?
No question matches. Write to us: we answer.
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Text and photo: a real AirGreen Climatisation & Chauffage job. The diagrams are generic illustrations of the type of installation, not a survey of this job site. Sources of the added figures: airgreen.ca product pages (NEEP / AHRI performance), Hydro-Québec (Heat pumps page, LogisVert, read on 13 October 2026), Régie de l’énergie (rate D as of 1 April 2026).