Project

Installation of a Tosot LomoPlus Mini Split in Montreal

Experience silent, efficient heating with a beautiful view. See how AirGreen's perfect installation of the Tosot LomoPlus Mini Split transforms Montreal homes!

By AirGreen Climatisation & Chauffage Admin3 min read
Installation of a Tosot LomoPlus Mini Split in Montreal
Installation of a Tosot LomoPlus Mini Split in Montreal
–chapters in this story
3 minreading time
–type of installation
2024year published
The tour

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.

Generic diagram: wall-mounted heat pump, indoor and outdoor units

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.

  1. 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.

  2. The refrigerant lines, the communication cable and the drain go through the wall in a single opening, sealed against water, cold air and insects.

  3. Two insulated copper pipes connect the two units. Outside, a line cover can protect them from sun, knocks and weather.

  4. A shut-off switch near the outdoor unit isolates it safely for service. It must stay accessible at all times.

  5. The compressor and the fan. In heating mode it captures heat from the outdoor air, even in winter, and moves it inside.

  6. On the ground or on the wall, it keeps the unit above accumulated snow. The unit stays clear and defrost water can drain away.

  7. The fan needs to blow freely. Storage, a fence or a wall too close, and efficiency drops while noise goes up.

The job

A View to Comfort: Transforming Spaces with Silent Efficiency

When choosing a heating and cooling solution for your home, the details matter as much as the broad strokes. AirGreen, a leader in HVAC services across Montreal and its surrounding areas, recently completed an exemplary installation of the Tosot LomoPlus UltraHeat Mini Split in a scenic Montreal residence. This project not only underscored our commitment to quality and customer satisfaction but also showcased the sophisticated capabilities of the LomoPlus UltraHeat, making it an ideal choice for modern living spaces.

Project Overview: Simplicity Meets Elegance

Situated with a picturesque view of the Saint Lawrence River, this installation was anything but ordinary. The client required a silent and efficient heat pump for their living room that wouldn't disrupt the serene environment. Our team's expertise allowed for the indoor and outdoor units to be installed seamlessly within 15 feet of each other, with the electrical panel conveniently located about 10 feet from the exterior unit.

Dual Installation Advantage

What set this project apart was the opportunity to perform simultaneous installations in the same condo building. This not only streamlined our operations but also provided both clients with an attractive group discount. The outcome was a testament to AirGreen's ability to manage and execute multiple tasks efficiently while maintaining the highest standards of professionalism. Each unit was installed with minimal disruption, followed by a skilled plaster who added the finishing touches with gyprock and color-matched paint, ensuring the installations were as invisible as they were effective.

Technical Brilliance of the Tosot LomoPlus UltraHeat

Features at a Glance:

  • Energy Efficiency: Rated at 30.5 SEER with Energy Star certification.
  • Connectivity: Wi-Fi enabled for smart, remote management.
  • Performance: Provides heat even at -30°C, ensuring comfort during harsh Canadian winters.
  • Quiet Operation: Maintains a low sound pressure level (22 dB(A) indoor and 53 dB(A) outdoor).
  • Comprehensive Warranty: Offers peace of mind with a 10-year guarantee on compressor, parts, and labor.

This model is not just a heat pump; it's a sanctuary of comfort. Its advanced features like the two-stage compressor and intelligent defrost system maximize energy efficiency and performance, adapting seamlessly to the climatic challenges of the region.

The LomoPlus UltraHeat: A Synonym for Uncompromised Comfort

Equipped with GREE's pioneering technology, the LomoPlus UltraHeat excels in delivering high-performance heating and cooling. Its compact design ensures that it fits discreetly into any space, while the intelligent self-diagnosis system minimizes downtime, enhancing overall user experience.

Customer Satisfaction: Our Priority

The feedback from our clients was overwhelmingly positive, highlighting the professionalism and attention to detail of our installation team. The smooth and silent operation of the Tosot LomoPlus has made it a standout feature in their homes, providing not just climate control but also enhancing their living environment.

GUARANTEED COMFORT, from the mild breezes of summer to the frigid winds of winter, the LomoPlus ensures your home remains a haven of comfort. Whether it’s enhancing the airflow with its turbo function or adjusting settings remotely, this heat pump does more than regulate temperature—it enriches lifestyles.

Why Choose AirGreen?

With years of experience and a dedication to excellence, AirGreen is your go-to expert for all HVAC needs. Our ability to handle complex installations with finesse and our commitment to sustainable practices make us not just a service provider but a partner in enhancing your home environment.

Discover the AirGreen difference. With every installation, we promise a blend of technological innovation, unmatched efficiency, and aesthetic integration, ensuring your home remains a portrait of comfort and efficiency.

The steps

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.

Step 1 of 9The on-site estimate

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.

  1. 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.
  2. The quoteModel, capacity and price, in writing. We also check whether the model qualifies for assistance programs.
  3. Getting readyFloors and furniture protected, wall plate position marked level, wall opening located.
  4. The wall openingA single opening, with the slope the drain needs to flow outside.
  5. The outdoor unitSet on a stand raised above the snow, with the clearances the manufacturer requires.
  6. Lines, cable and drainConnected, insulated and protected. The opening is then sealed against water, cold air and insects.
  7. The electrical workA dedicated circuit and an accessible disconnect near the outdoor unit.
  8. Tests and start-upLeak test, vacuum, then start-up and a check of heating and cooling.
  9. The walkthroughRemote, modes, filters: we show you the essentials before we leave.
Your numbers

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.

Size checkYour baseboards, in BTU/h
–BTU/h of installed electric heat

    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.

    Mistakes avoided

    Four mistakes we do not make

    Flip each card to see what we do instead.

    Going further

    Your own project, step by step

    Through the seasons

    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.
    At your place

    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.

    0 / 6 checked
    True or false

    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.

    2. You pick the capacity with a simple square-footage rule.

    3. A multi-zone connects several indoor heads to a single condenser.

    4. The disconnect can sit behind the patio furniture.

    Frequently asked questions

    What people ask us about this kind of work

    12 questions
    Does a wall-mounted heat pump heat in winter?
    Yes, it heats and cools. Its capacity drops in very cold weather; the operating range depends on the model and is listed on its spec sheet.
    Wall-mounted or multi-zone: how do I choose?
    One wall head and one condenser outside: the direct solution for a room or an open area. For two to five rooms, a multi-zone puts one head in each room on a single condenser.
    Where does the outdoor unit go?
    Where it stays above the snow, clear and accessible, away from walkways. We decide it with you during the estimate.
    Are there grants?
    Depending on the model and your situation, assistance programs may apply, including Hydro-Québec's LogisVert. AirGreen checks the model number before quoting an amount. See the grants.
    Do I need a permit?
    Rules vary from city to city: location, distances, noise. See permits and by-laws, and we check for your address.
    How cold can it heat?
    It depends on the model. According to Hydro-Québec, newer models work down to a temperature between −15 °C and −25 °C, and some cold-climate models are certified lower. The minimum temperature is on each unit's spec sheet.
    How much can I save?
    Hydro-Québec says a heat pump can be up to three times more efficient than baseboards for heating in the colder months. The result depends on the house, the climate and how it is used.
    How is the LogisVert assistance calculated?
    For ENERGY STAR cold-climate certified heat pumps, Hydro-Québec lists assistance of $120 per 1,000 BTU/h of heating capacity at −8 °C. AirGreen checks the exact model before quoting an amount; only Hydro-Québec confirms the assistance granted. See the grants.
    Is it noisy?
    The sound level depends on the model and is listed in decibels on each unit's spec sheet. Location matters too: when possible, we avoid putting the outdoor unit under a bedroom window.
    The outdoor unit is covered in ice: is that normal?
    Some frost is: the unit runs defrost cycles. Never hit the ice. If the unit stays iced up or stops heating, call us.
    Does AirGreen hold the required licences?
    Yes. AirGreen holds RBQ licence 5645-9605-01, subclasses 15.8 Ventilation, 15.10 Refrigeration and 16 Electricity.
    Is the estimate free?
    Yes. The on-site estimate is free and the quote follows within 24 hours. Book my free estimate.

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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.

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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).

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