Installation of a Tosot Lomo 23 Wall-Mounted Heat Pump in Bois-des-Filions
Explore how the Tosot Lomo 23 heat pump transforms comfort in Bois-des-Filions homes with AirGreen's expert installation!
Take a tour of the installation
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.
Exceptional Comfort Meets Unparalleled Efficiency: Discover the Installation Story of the Tosot Lomo 23 in Bois-des-Filions
Elevating Home Comfort with Advanced Heat Pump Technology
In the serene suburb of Bois-des-Filions, a recent installation of the Tosot Lomo 23 wall-mounted heat pump by AirGreen has set new standards for residential climate control. This innovative heat pump system, renowned for its high efficiency and quiet operation, represents a significant leap forward in home heating and cooling solutions.
Understanding the Tosot Lomo 23 Heat Pump
The Tosot Lomo 23, a model celebrated for its advanced features and performance, boasts an impressive 22.0 SEER (Seasonal Energy Efficiency Ratio) and 11 HSPF (Heating Seasonal Performance Factor). Its ability to maintain up to 80% heating capacity at -25°C showcases its exceptional performance in even the most frigid conditions. Notably, the unit is equipped with GREE's two-stage Inverter technology, which optimizes energy use and enhances the overall system efficiency.
Key Features of the Tosot Lomo 23
- Smart Defrost System: Ensures that defrosting occurs only when necessary, significantly reducing energy consumption.
- Memory Function: Automatically restores previous settings after a power outage, providing continuous comfort without manual resetting.
- Compact Design: The small footprint of both indoor and outdoor units facilitates easy installation in various home settings.
- Superior Air Flow: Engineered to maximize airflow, this feature increases overall comfort by ensuring even distribution of conditioned air.
- Self-Diagnosis Capability: Simplifies maintenance by automatically displaying error codes, making troubleshooting straightforward.
Installation Highlights
Our team at AirGreen was tasked with integrating this sophisticated technology into a modern Bois-des-Filions home, requiring meticulous planning and execution. The installation process involved the strategic placement of both the indoor and outdoor units to optimize performance while maintaining the aesthetic integrity of the home. The indoor unit, with its sleek design, was mounted in a central living area to ensure optimal air distribution. The outdoor unit was carefully placed to minimize noise and maximize efficiency.
Challenges and Solutions
During the installation, our team faced the challenge of routing the refrigerant piping through existing structural elements without disrupting the home’s design. Utilizing our expertise, we implemented a custom piping solution that preserved the structural and visual integrity of the property. Additionally, we addressed the potential issue of condensate freezing by installing a heating base for the outdoor unit, ensuring uninterrupted operation during the cold season.
Customer Satisfaction and Impact
The homeowner's feedback post-installation has been overwhelmingly positive, highlighting the dramatic improvement in both comfort and energy efficiency. The quiet operation of the Tosot Lomo 23 has also been a significant advantage, contributing to a more peaceful home environment.
Why Choose AirGreen for Your Heat Pump Installation?
Choosing AirGreen means selecting a partner committed to excellence. Our installation of the Tosot Lomo 23 in Bois-des-Filions is a testament to our dedication to providing superior HVAC solutions that meet the unique needs of each client. With a focus on high efficiency, reliability, and customer satisfaction, we ensure that every installation is a step toward a more sustainable and comfortable living environment.
The big day, step by step
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 would it look like 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.
Four mistakes we do not make
Flip each card to see what we do instead.
Your own project, step by step
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.
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.
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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Every house has its constraints. We see them before we install.
The on-site estimate is free and the quote follows within 24 hours.
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).