Installation of a Tosot Lomo 23 Wall-Mounted Heat Pump in L'Île-Bizard–Sainte-Geneviève
A picturesque location, a challenging installation, and a team determined to excel. Dive into our latest HVAC adventure in L'Île-Bizard–Sainte-Geneviève!
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.
A Seamless Integration in the Heart of Your Living Space
The Challenge of L'Île-Bizard–Sainte-Geneviève
L'Île-Bizard–Sainte-Geneviève, a picturesque location in Montreal, is known for its unique architectural designs and the challenges they pose for HVAC installations. Our recent project here was no exception. The central placement of the head unit in the living room required meticulous planning and execution. But at AirGreen, we thrive on challenges.
Why the Tosot Lomo 23?
The Tosot Lomo 23 Wall-Mounted Heat Pump is a marvel in HVAC technology. Here's why:
- Cooling Capacity: A robust 18,000 BTU ensures your space remains comfortable even during the hottest days.
- Heating Capacity: Operational even at -25°C, ensuring warmth during the harshest winters.
- Quiet Operation: With an interior sound pressure level of just 39/47 dB(A), it's whisper-quiet, making it ideal for living rooms.
- Energy Efficiency: Boasting a 20.0 SEER rating and an Energy Star® certification, it's designed to save on energy costs.
- Connectivity: WiFi options available for those tech-savvy homeowners.
- Warranty: A comprehensive 10-10-0 warranty with extended options available.
The Installation Journey
The installation in L'Île-Bizard–Sainte-Geneviève was particularly intricate. The head unit's central placement in the living room meant navigating the piping through two separate rooms. But our team's expertise shone through. Not only did we achieve a perfect central placement, but we also ensured a seamless integration. Our collaboration with a professional plasterer ensured a flawless finish, complete with a matching paint job. The result? A turnkey solution that left our clients in awe.
Grants and Savings
One of the standout features of the Tosot Lomo 23 is its eligibility for both federal and provincial grants:
- Federal Grant: Potential savings of $2,500 to $5,000.
- Provincial Grant: An additional $620 in savings.
These grants, combined with the machine's energy efficiency, mean substantial long-term savings for homeowners.
The AirGreen Promise
Our commitment goes beyond just installations. We believe in providing holistic solutions. From the moment you choose us to the post-installation phase, we're with you every step of the way. Our clients from L'Île-Bizard–Sainte-Geneviève can attest to our dedication and the quality of our work.
In Conclusion
Our recent installation in L'Île-Bizard–Sainte-Geneviève is a testament to our commitment to quality and customer satisfaction. The Tosot Lomo 23, with its advanced features and energy savings, combined with our expert installation, offers homeowners an unparalleled HVAC experience. At AirGreen, we don't just install; we integrate, innovate, and inspire.
How it goes, from the first call to the end
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.
And at your place?
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.
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.
Which type of equipment for your project?
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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).