Installation of a Sharp ZU1 18,000 BTU Mini Split Heat Pump in LaSalle
See how our Sharp ZU1 Mini Split Heat Pump transformed a LaSalle home with whisper-quiet operation and eco-friendly efficiency. Breathe better, live better!
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.
Harnessing the Power of Comfort and Efficiency
In the heart of LaSalle, we completed a remarkable installation of the Sharp ZU1 18,000 BTU Mini Split Heat Pump, and this project truly stands out in every sense. As an HVAC company known for precision and customer-centric solutions, we couldn’t be prouder to showcase the exceptional capabilities of this energy-efficient, ductless marvel. Let’s dive into the fascinating details that make this installation a game-changer for homeowners looking to optimize indoor comfort while minimizing environmental impact.
The Backstory: Why LaSalle?
LaSalle, a vibrant borough with a mix of historical charm and modern appeal, is home to some unique architectural challenges. When our client approached us for an installation that could combat the extreme fluctuations of the Quebec climate, we knew the Sharp ZU1 Heat Pump was the perfect fit. Designed to deliver exceptional heating performance even at frigid temperatures as low as -27°C, this unit is an ideal match for Montreal’s unpredictable weather patterns.
The Star of the Show: Sharp ZU1 Mini Split Heat Pump
When it comes to choosing a mini split heat pump, Sharp's ZU1 model is not just another appliance. It’s a technological powerhouse loaded with features that make it a standout in the world of HVAC systems.
Key Specifications:
- Cooling Capacity: 18,000 BTU, ideal for maintaining a cool and comfortable home during the sweltering summers.
- Heating Capacity: Performs flawlessly at temperatures as low as -27°C, making it a perfect all-season companion.
- Sound Levels: Whisper-quiet operation with interior noise levels ranging from 25 to 49 dB(A), ensuring a peaceful home environment.
- Efficiency: An impressive SEER rating of 24.0, meaning lower energy bills and a reduced carbon footprint.
- Eco-Friendly Refrigerant: Utilizes R-32, a refrigerant known for its minimal environmental impact compared to older options like R-410A.
The Installation Journey: Precision at Every Step
We approached this project with meticulous planning. Our experienced technicians assessed the best possible location for both the indoor and outdoor units to ensure maximum efficiency and minimal disruption to the home’s aesthetic.
- Optimal Placement: The indoor unit was strategically placed in a living area that required consistent temperature control. With dimensions of 41.42 x 9.80 x 12.44 inches, the sleek design of the Sharp ZU1 fit perfectly, blending seamlessly with the home’s decor.
- Outdoor Installation: Mounted securely outside, the exterior unit (dimensions: 33.47 x 13 x 27.94 inches) was positioned to facilitate unobstructed airflow while adhering to local building codes.
- Piping and Electrical: High-quality pipes (1/4 - 3/8 inches) were used, running through a discrete conduit to maintain the home’s visual appeal. The unit operates on 220V, which ensures powerful yet efficient performance.
Unique Features That Set It Apart
What makes the Sharp ZU1 Mini Split Heat Pump truly special is its integration of cutting-edge technologies that prioritize both comfort and air quality.
The Magic of Plasmacluster Technology
Imagine an HVAC system that not only regulates temperature but also actively purifies the air you breathe. Sharp’s exclusive Plasmacluster Technology does just that. By emitting positive and negative ions, it neutralizes airborne bacteria, viruses, and even stubborn odors like tobacco smoke or pet dander. The result? Cleaner, healthier air circulating throughout your home.
- Air Purification: Eliminates up to 99% of airborne allergens and bacteria.
- Odor Neutralization: Effective against persistent smells, keeping your living space fresh.
- Mold Reduction: Suppresses mold growth on surfaces, enhancing overall indoor air quality.
The Environmental Impact: A Greener Choice
The choice of the R-32 refrigerant reflects Sharp’s commitment to sustainability. Compared to traditional refrigerants, R-32 has a one-third lower Global Warming Potential (GWP), reducing your household’s impact on climate change. Additionally, the heat pump’s energy-saving features, like its inverter technology, ensure optimal performance with minimal energy consumption.
Why Choose AirGreen for Your HVAC Needs?
At AirGreen, we don’t just install HVAC systems; we provide comprehensive solutions tailored to your home and lifestyle. Our expertise in handling high-efficiency units like the Sharp ZU1 allows us to deliver installations that maximize performance and customer satisfaction. Plus, this model is eligible for the highest LogisVert Grant from Hydro-Québec, offering up to $2,640 in rebates. That’s a significant incentive for those looking to upgrade their home’s heating and cooling systems.
Our Promise:
- 10-Year Warranty: Enjoy a decade of worry-free operation with a comprehensive warranty covering the compressor, parts, and labor.
- Expert Installation: Our certified technicians ensure flawless setup and optimal performance from day one.
- Customer-Centric Service: We pride ourselves on transparent communication and personalized care.
Future-Proof Your Home with Sharp’s Cutting-Edge Innovation
Investing in the Sharp ZU1 18,000 BTU Mini Split Heat Pump is more than just a home improvement; it’s a commitment to long-term comfort, energy efficiency, and healthier indoor living. With whisper-quiet operation and the ability to function at sub-zero temperatures, this unit is the perfect balance between advanced technology and eco-conscious design.
Ready to Upgrade?
If you’re in the Montreal, Laval, or Longueuil areas and are considering an HVAC system that combines state-of-the-art features with unmatched efficiency, reach out to us at AirGreen. We’re ready to transform your living space into a haven of comfort and clean air.
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.
What the unit delivers when it is cold
The range as published on airgreen.ca: pick a size to see its capacity in deep cold.
| Size | Heating at −8 °C | Heating at −15 °C | Coldest certified point | COP at −15 °C | SEER | HSPF | Indicative LogisVert aid |
|---|---|---|---|---|---|---|---|
| Sharp ZU1 12 000 | 14,500 | 12,000 | −27 °C: 7,200 | 2.11 | 22.0 | 11.0 | $1,740 |
| Sharp ZU1 15 000 | 18,100 | 15,300 | −27 °C: 10,100 | 2.1 | 24.0 | 11.0 | $2,172 |
| Sharp ZU1 18 000 | 22,000 | 18,000 | −27 °C: 11,500 | 2.2 | 24.0 | 11.0 | $2,640 |
| Sharp ZU1 24 000 | 22,400 | 19,000 | −27 °C: 12,300 | 2.2 | 22.0 | 11.0 | $2,688 |
According to NEEP, it delivers 14,500 BTU/h at −8 °C (17 °F), more than at 8 °C (14,000 BTU/h). It heats as hard in moderate cold as in mild weather.
According to NEEP, its certified maximum capacity at −27 °C (−17 °F) is 7,200 BTU/h, 60% of its nominal 12,000 BTU size.
At 8 °C, its certified maximum capacity reaches 17,100 BTU/h, 42% more than its nominal 12,000 BTU size.
According to NEEP, it delivers 18,100 BTU/h at −8 °C (17 °F), more than at 8 °C (18,000 BTU/h). It heats as hard in moderate cold as in mild weather.
According to NEEP, its certified maximum capacity at −27 °C (−17 °F) is 10,100 BTU/h, 67% of its nominal 15,000 BTU size.
At 8 °C, its certified maximum capacity reaches 21,800 BTU/h, 45% more than its nominal 15,000 BTU size.
According to NEEP, it delivers 22,000 BTU/h at −8 °C (17 °F), more than at 8 °C (21,600 BTU/h). It heats as hard in moderate cold as in mild weather.
According to NEEP, its COP at −27 °C is 1.88: the highest of the ZU1 line, which ranges from 1.79 to 1.82 at that temperature.
According to NEEP, its certified maximum capacity at −27 °C (−17 °F) is 11,500 BTU/h, 64% of its nominal 18,000 BTU size.
At −27 °C, its certified minimum capacity is 3,200 BTU/h (5,500 at 8 °C). It slows down instead of cycling on and off.
According to NEEP, its certified heating capacity at −15 °C (5 °F) is 19,000 BTU/h, 79% of its nominal 24,000 BTU size. Its COP there is 2.20.
Data read live from the airgreen.ca page of each size (NEEP / AHRI certified performance). When the title names the installed size, it is highlighted; otherwise the whole range is shown. The aid shown is today’s, using Hydro-Québec’s rule ($120 per 1,000 BTU/h at −8 °C); amounts quoted in the article date from its publication. Only Hydro-Québec confirms the assistance granted.
And at your place?
Two quick checks with real numbers: what heat costs, and what your current heaters add up to in BTU/h.
Baseboards and electric furnaces turn 1 kWh of electricity into 1 kWh of heat. A heat pump delivers more: that is its COP. At Hydro-Québec’s rate D (11.142¢/kWh above 40 kWh a day, since 1 April 2026):
Hydro-Québec: a heat pump can be up to three times more efficient than baseboards for heating in the colder months.
Estimate per kWh of heat, at the chosen temperature, using the certified COP from the product page. Taxes, access charge and backup heat not included.
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.
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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?
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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).