Installation of a Sharp ZU Mini Split in Sainte-Thérèse
A rooftop challenge in Sainte-Thérèse met with AirGreen's expertise. Discover the silent and efficient marvel of the Sharp ZU Mini Split installation!
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.
The Perfect Blend of Efficiency and Silence: A Rooftop Marvel
The Sainte-Thérèse Challenge
Nestled in the heart of Sainte-Thérèse, on the North Shore of Montreal, stood a condo building with a unique challenge. The proximity to neighbours meant that any installation would not only need to be efficient but also whisper-quiet. The last thing anyone wants is to be that neighbour with the noisy HVAC system. Enter AirGreen, with a solution that not only met but exceeded these requirements.
Why the Sharp ZU Mini Split?
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Silence is Golden: With an interior sound pressure level of just 25 dB(A) at its quietest, the Sharp ZU ensures that peace reigns supreme. To put that into perspective, it's quieter than a whispered conversation!
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Energy Efficiency: The Sharp ZU is a pioneer, being the only machine in Canada to use the R-32 freon. This makes it 10% more energy-efficient than machines using the older R-410 freon. Plus, with an impressive 24.0 SEER efficiency rating, it's a green machine in every sense.
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Air Purification: Beyond just heating and cooling, the Sharp ZU offers true air purification. Thanks to its unique Plasmacluster technology, it tackles smells, mold, viruses, and more, ensuring the air you breathe is as clean as it gets.
Installation Highlights
The rooftop of the condo presented its own set of challenges. But at AirGreen, we see challenges as opportunities. Here's a glimpse into our installation journey:
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Neighbourly Love: Before diving into the installation, we emphasized the importance of open communication. Our customer took the initiative to discuss plans with neighbours, ensuring a smooth process without any hiccups.
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Precision and Professionalism: The installation required meticulous planning and execution. With a machine boasting dimensions of 41.42 x 9.80 x 12.44 (L x D x H) for the interior and 33.47 x 13 x 27.94 for the exterior, every inch mattered. Our team ensured a clean and professional installation, leaving our customer thrilled with the outcome.
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Grants and Savings: The Sharp ZU isn't just efficient; it's also cost-effective. Being admissible for both a Federal Grant of up to $5,000 and a Provincial Grant of $690, it's an investment that pays for itself in the long run.
Sharp ZU Mini Split: At a Glance
- Cooling Capacity: 18,000 BTU
- Heating Capacity: -27°C
- Serial Numbers: Interior - AY-XPC18ZU, Exterior - AE-X18ZU
- Energy Star® Certified: Yes
- WiFi: Included
- AHRI Number: 210301933
- Warranty: Comprehensive 10-10-10 warranty! Parts-Compressor AND Labor!
- Pipes: 1/4 - 3/8
- Voltage: 220V
- Gas (Freon): R-32
In Conclusion
At AirGreen, every installation is a story of commitment, precision, and customer satisfaction. The Sharp ZU Mini Split installation in Sainte-Thérèse is a testament to our dedication to providing top-notch HVAC solutions. Whether it's the bustling streets of Montreal, the serene locales of Laval, or the picturesque landscapes of Longueuil, we're here to ensure your comfort, come rain or shine.
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).