Installation of a SHARP ZU1 Wall-Mounted Heat Pump in Westmount
Experience year-round comfort in Westmount with AirGreen's professional installation of the SHARP ZU1 heat pump, offering energy savings, quiet operation, and air purification benefits.
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The unit’s data sheet
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.
The article, chapter by chapter
Professional Installation of the SHARP ZU1 24,000 BTU Heat Pump in Westmount
Embrace Year-Round Comfort with AirGreen’s Expert Installation in Westmount
When it comes to high-performance HVAC installations in Westmount, AirGreen leads the way with expertise, precision, and dedication to providing the best comfort solutions for every customer. Recently, we completed an installation of a 24,000 BTU SHARP ZU1 wall-mounted heat pump, bringing superior heating and cooling capabilities to our client’s home. Here’s a closer look at the details of this impressive installation and the benefits our client now enjoys.
Why Choose the SHARP ZU1 Heat Pump?
The SHARP ZU1 is more than just a heat pump; it's a reliable partner for every season. With its robust cooling and heating capabilities, this mini-split, ductless system can handle extreme temperatures while ensuring maximum comfort indoors. Here’s why this particular model was the ideal choice for our Westmount installation:
- Energy Efficiency: With an impressive 22.0 SEER rating, the SHARP ZU1 is designed to deliver substantial energy savings. This high SEER rating translates to reduced energy costs for our customer, which is especially beneficial during the colder months when heating demands are higher.
- Wide Operating Range: The SHARP ZU1 offers efficient heating even when the outside temperature drops to a bone-chilling -27°C. This capability is a game-changer for residents in Montreal’s cold climate who need reliable heating that won’t falter in the dead of winter.
- Plasmacluster Technology: SHARP’s innovative Plasmacluster technology actively purifies indoor air by releasing positive and negative ions, effectively neutralizing airborne pollutants, bacteria, and viruses. This feature ensures a cleaner and healthier living environment—a top priority for many of our clients.
Installation Specifics: Ensuring a Seamless Setup in Westmount
Our team installed the SHARP ZU1 heat pump on the exterior brick wall of the property, ensuring optimal placement for both performance and aesthetics. Here’s how we executed the installation to achieve a flawless result:
- Wall-Mounted Placement: We carefully mounted the outdoor unit on sturdy brackets to elevate it from the ground, protecting it from potential obstructions and ensuring efficient airflow. This strategic positioning also minimizes noise and enhances the durability of the unit, especially during Westmount’s snowy winter months.
- Secure Piping and Wiring: We used high-quality, insulated piping (1/4 - 3/8) and concealed all wiring to create a clean, professional look. The 220V connection provides the necessary power for the unit's robust operation, while the piping ensures seamless refrigerant flow.
- Optimized Indoor Comfort: The indoor unit, measuring 41.42 x 9.80 x 12.44 inches, was installed to maximize air distribution throughout the main living areas, providing balanced temperatures across the home. The quiet operation—only 25 dB(A) on its lowest setting—ensures that our customer enjoys comfort without disruption.
Key Features of the SHARP ZU1 Heat Pump
The SHARP ZU1 isn’t just any heat pump; it’s designed with cutting-edge features to deliver an exceptional indoor experience. Here’s what makes this model stand out:
- Energy Star® Certified: The SHARP ZU1 meets Energy Star® standards, assuring our clients of its energy efficiency and reduced environmental impact.
- Wi-Fi Connectivity: This model includes Wi-Fi, allowing the customer to control the unit remotely through a smartphone app. This feature offers flexibility and convenience, enabling adjustments from anywhere, whether it’s turning on the heat before arriving home on a cold day or adjusting the cooling during a summer vacation.
- Extended Warranty: With a 10-year warranty on the compressor, parts, and labor, our client enjoys peace of mind knowing that their investment is protected.
Eligible for the Highest LogisVert Grant
One of the most exciting aspects of this installation is its eligibility for the LogisVert Grant. Our client qualified for the highest grant available—an impressive $2,688 for heat pumps in the 18,000 BTU category. This substantial rebate, offered by Hydro-Québec, underscores the energy-saving potential of the SHARP ZU1 and demonstrates our commitment to helping clients maximize financial savings alongside energy efficiency.
Benefits for Westmount Residents
This installation represents our commitment to providing Westmount residents with HVAC solutions that match the area’s unique climate needs. The SHARP ZU1 is especially suited for homes in Westmount for several reasons:
- Cost Savings: With the high efficiency of this model, our client will see a noticeable reduction in energy bills, particularly during Montreal's harsh winters and hot summers.
- Enhanced Air Quality: Thanks to Plasmacluster technology, indoor air remains fresh and free of common pollutants, providing a healthier living environment—ideal for families, especially those with respiratory concerns.
- Customizable Comfort: The SHARP ZU1’s Coanda airflow feature directs air upwards and along the ceiling, avoiding direct drafts and ensuring even, comfortable temperature distribution.
Additional Specs for the SHARP ZU1
Here are some quick technical highlights for those interested in the finer details:
- Cooling Capacity: 24,000 BTU
- Heating Capacity: -27°C, ensuring powerful heating during even the coldest months
- AHRI Certification: 213246054, which verifies the unit’s efficiency and performance
- Voltage: 220V
- Sound Pressure Level: Exterior: 53 dB(A), Interior: 25 / 49 dB(A)
Why Choose AirGreen for Your HVAC Needs?
At AirGreen, we understand that each installation is an investment in comfort, efficiency, and peace of mind. With our expertise in HVAC systems and commitment to customer satisfaction, we ensure every project—like this Westmount installation—is handled with the utmost care and precision. From initial consultation to final installation, we focus on delivering high-quality service that exceeds expectations.
Our portfolio of installations across Montreal, Laval, Longueuil, North Shore, and South Shore showcases our ability to tailor HVAC solutions to a variety of home types and client needs. Whether it’s a mini-split installation for a small apartment or a more complex ducted system for a large home, we have the knowledge and experience to get the job done right.
Get Ready to Transform Your Comfort with AirGreen
If you’re considering an HVAC upgrade, look no further than the SHARP ZU1—a powerful yet quiet system that provides year-round comfort and energy savings. As demonstrated by this recent installation in Westmount, our team at AirGreen is ready to deliver high-quality installations tailored to your specific needs. Contact us today to learn how we can enhance your comfort, lower your energy costs, and improve your home’s air quality.
The job tools
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.
How the job unfolds
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 we check on a job like this one
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.
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.
Good habits, once the unit is in place
Six simple habits that keep the unit going. Your list stays on this device.
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.
The right pages, at the right time
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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An on-site estimate, the right capacity, the right equipment.
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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).