Installation of a Sharp BU Double Zone Heat Pump in Saint-Bruno, South Shore
Experience the future of home comfort with the SHARP BU Double Zone Heat Pump—advanced purification and exceptional efficiency await!
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.
A Giant Leap in Home Comfort with the Double Zone SHARP BU Heat Pump
In the quest for a home where thermal comfort aligns with exceptional air quality, the Double Zone SHARP BU Heat Pump stands out as an unparalleled solution. Designed to meet the specific climate challenges of Montreal, Laval, Longueuil, as well as the South Shore and North Shore, this HVAC (Heating, Ventilation, and Air Conditioning) system integrates major innovations such as Plasmacluster technology and the use of R-32 refrigerant, establishing a new standard in terms of performance, energy efficiency, and environmental respect.
The Plasmacluster Revolution: Beyond Simple Air Conditioning
At the heart of the Double Zone SHARP BU Heat Pump, Plasmacluster technology goes beyond traditional air conditioning expectations by offering unmatched air purification. Through the emission of positive and negative ions, this technology mimics nature's air purification mechanisms, effectively neutralizing viruses, bacteria, allergens, and odors. This process, in addition to regulating indoor temperature, ensures a healthy indoor environment, crucial for the occupants' well-being.
Impact on Health and Comfort
- Pathogen Reduction: Plasmacluster's efficacy in neutralizing airborne viruses and bacteria contributes to reducing the risks of respiratory disease transmission, providing additional protection for your home.
- Allergen Elimination: By reducing the presence of allergens such as dust mites and pollen, this technology significantly improves the quality of life for people with allergies or asthma.
- Odor Neutralization: Plasmacluster ions break down and eliminate persistent odors, ensuring a constant fresh sensation in your home.
The R-32: A Revolutionary Refrigerant for a Sustainable Future
The adoption of R-32 refrigerant by the Double Zone SHARP BU Heat Pump represents a strong commitment to environmental preservation. With a significantly lower global warming potential (GWP) than traditional refrigerants, R-32 optimizes energy performance while reducing the ecological footprint of your air conditioning system.
Environmental and Economic Benefits
- Increased Efficiency: Thanks to its superior heat transfer capacity, R-32 allows a significant reduction in energy consumption, translating into substantial savings on electricity bills.
- Reduced Environmental Impact: The low GWP of R-32 helps to minimize the impact of air conditioning systems on global warming, aligning the use of your heat pump with sustainable development goals.
- Recyclability: Unlike some composite refrigerants, R-32 is easily recyclable, facilitating environmental management at the end of your equipment's life.
Innovation at the Heart of Design: The Coanda Effect
- Comfort Optimization: The cutting-edge technology of the Coanda effect is a central pillar of the Double Zone SHARP BU Heat Pump. By exploiting this natural phenomenon, the system directs cold or warm air along surfaces (walls or ceiling), promoting a uniform distribution and avoiding direct contact of air with people. This revolutionary approach ensures increased comfort in all rooms, without the unpleasant drafts characteristic of traditional systems.
- An Innovation Inspired by Nature: Inspired by the natural movement of air and fluids, the Coanda effect optimizes air flow for a more natural and widespread feeling of well-being. This technology is the result of extensive research and precise engineering, aimed at replicating the most pleasant conditions of air circulation in the home environment.
«HOT GAS PIPE» System (Patented): A Response to Harsh Climates
- Exceptional Performance in Cold Weather: The «HOT GAS PIPE» system, a SHARP exclusive, is specially designed to offer optimal performance even in the extreme winter conditions of Montreal and its surroundings. By preventing ice formation on the external unit, this technology ensures continuous operation and superior energy efficiency, even at temperatures down to -27°C.
- Innovation and Reliability: Thanks to this patented system, the Double Zone SHARP BU Heat Pump positions itself as a reliable and durable heating solution, reducing the need for maintenance and increasing the appliance's longevity. This feature makes this heat pump a wise investment for homeowners concerned with performance and durability.
Self-Cleaning Function: Cleaner Air, Effortlessly
- Continuous Purification: One of the most remarkable features of the Double Zone SHARP BU Heat Pump is its ability to maintain superior indoor air quality thanks to its self-cleaning function. By incorporating Plasmacluster technology, this device neutralizes bacteria, viruses, mold, and allergens present in the air, ensuring a healthy environment for all occupants.
- Reduced Maintenance: Beyond its health benefits, the self-cleaning function significantly simplifies the maintenance of the heat pump. By minimizing the proliferation of mold and other pathogens inside the appliance, it extends the lifespan of the heat pump and maintains its energy efficiency over time.
Capacity to Manage Two Distinct Zones: Unmatched Flexibility
Unlike traditional systems, the Double Zone SHARP BU Heat Pump is specifically designed to manage two distinct comfort zones. This feature allows for advanced customization of the indoor climate, adapting the temperature of each zone to individual preferences and the specific uses of different areas of your home.
Conclusion: A Major Advance for Home Comfort
The Double Zone SHARP BU Heat Pump from AirGreen revolutionizes the concept of home comfort, combining precise temperature control, advanced air purification through Plasmacluster technology, and optimized energy efficiency through the use of R-32 refrigerant. By choosing this solution for your home in Montreal, Laval, Longueuil, or on the South Shore and North Shore, you opt for a heating and cooling system that respects both your well-being and the environment.
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 BU 24 0002 Zones (Dual Zone) | 25,000 | 21,200 | −27 °C: 14,600 | 2.3 | 24.0 | 11.5 | $3,000 |
| Sharp BU 24 0003 Zones (Triple Zone) | 25,000 | 21,200 | −27 °C: 14,600 | 2.3 | 24.0 | 11.5 | $3,000 |
Among the year’s most efficient according to ENERGY STAR, on top of its cold-climate certification.
Minimum certified capacity (NEEP): it slows down instead of stopping when a single room calls.
NEEP still lists 14,600 BTU/h at a COP of 1.84 at −17 °F.
Global warming potential of R-32, versus 2,088 for R-410A (ENERGY STAR).
Among the year’s most efficient according to ENERGY STAR, on top of its cold-climate certification.
Minimum certified capacity (NEEP): it slows down instead of stopping when a single room calls.
NEEP still lists 14,600 BTU/h at a COP of 1.84 at −17 °F.
Global warming potential of R-32, versus 2,088 for R-410A (ENERGY STAR).
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).