Installation of a Sharp ZHU Wall-Mounted Heat Pump in Mercier–Hochelaga-Maisonneuve, Montreal
Dive into a tale of silent comfort with the Sharp ZHU Wall-Mounted Heat Pump, recently installed by AirGreen. Uncover a story where technology meets tranquility, efficiency embraces elegance, and every detail crafts a masterpiece of comfort.
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.
Unveiling Quiet and Efficient Comfort: A Tale of Precision and Excellence
A Symphony of Silence and Power
In the serene neighborhood of Mercier–Hochelaga-Maisonneuve, Montreal, we at AirGreen recently orchestrated a masterpiece installation that not only whispers quietness but also exudes unparalleled efficiency. The protagonist of our story is the Sharp ZHU Wall-Mounted Heat Pump, a marvel of engineering that seamlessly blends into the canvas of a home, offering comfort without the cacophony.
The Silent Guardian: Sharp ZHU
- Ultra-Quiet Operation: With the Sharp ZHU, gone are the days of disruptive, clamorous machines. This model is a silent guardian, a subtle provider of warmth and coolness, ensuring that tranquility reigns in your living spaces.
- 10-Year Warranty: A decade-long assurance stands testament to the reliability and durability of this exquisite piece of technology, safeguarding your peace of mind and investment.
- Energy Efficiency: The Sharp ZHU is not just a product; it’s a statement of sustainability, a commitment to the environment, and a nod to efficiency, with its new refrigerant reducing energy consumption by approximately 10%.
Nature’s Imprint: Unique Features
Dragonfly Wing-Inspired Blades
- Enhanced Airflow: The ZHU series boasts blades designed after the wings of a dragonfly, ensuring an airflow improvement of approximately 30%, a dance of efficiency and grace that mimics nature’s finest.
Plasmacluster Technology: Breathing Pure
- Air Purification: Sharp’s exclusive Plasmacluster technology is a breath of fresh air, literally. It purifies the indoor atmosphere, neutralizing harmful elements and providing a sanctuary of health and wellness.
Coanda Airflow: The Art of Air Distribution
The Sharp ZHU doesn’t just cool or heat; it crafts an environment. With the Coanda airflow technology, it directs the air subtly, ensuring uniform temperature without creating uncomfortable drafts, providing a canvas of comfort painted with precision.
A Canvas of Comfort: Installation Details
Our recent installation in Mercier–Hochelaga-Maisonneuve was a tapestry woven with threads of professionalism, skill, and attention to detail. The customer, previously tormented by a loud, disruptive unit, found solace in the Sharp ZHU’s whispering operation. Installed meticulously next to the windows, the unit now stands as a silent sentinel of comfort, with its ultra-quiet operation being a melody of peace to the ears of both the homeowner and the neighbors.
Why AirGreen?
At AirGreen, we don’t just install HVAC units; we craft experiences. Our core values of sustainability and responsibility reflect in every installation, every service provided. With the Sharp ZHU series, we bring to you not just a product, but a promise – a promise of quality, reliability, and a symphony of silent, efficient comfort.
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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Four mistakes we do not make
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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).