In the vibrant and densely populated neighbourhood of Parc-Extension, Montréal, where winter conditions can be harsh, our team at AirGreen recently completed a remarkable installation of a SHARP BU DoubleZone wall-mounted heat pump. This project not only reaffirmed our expertise in residential HVAC across the city but also showcased the outstanding performance of SHARP systems when facing Québec’s intense winters. Mounted on an elevated stand, this outdoor unit now stands strong against the elements, ensuring optimal thermal comfort for our client year-round.
A Winter Challenge Successfully Met by AirGreen
Installing a heat pump on a flat roof in the middle of February, right in Parc-Extension, involves several logistical and technical considerations. Snow accumulation, freezing winds, and limited access all require meticulous planning. Our team used a galvanized steel raised base, providing sufficient clearance above the snow—crucial to prevent air intake obstructions and maintain the performance of the outdoor unit.
We anchored the entire system using heavy-duty brackets, protecting it from shifting due to freeze-thaw cycles, and we shielded the refrigerant lines and wiring from the elements. Thanks to our attention to detail, this system delivers maximum performance down to -27°C, a feat made possible by SHARP’s advanced technology.
SHARP BU DoubleZone Wall-Mounted Heat Pump: Technology, Comfort and Durability
Technical Features of the Installed Model
The SHARP BU DoubleZone system, part of the AE-X3M24BU series, is designed to provide multi-room comfort while maintaining consistent performance—even in freezing temperatures. This multi-zone model can connect up to three indoor units, perfect for homes with multiple comfort zones.
Key Specifications:
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Heating capacity: up to 26,000 BTU/h
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Heating operating range: -27°C to +24°C
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Eco-friendly refrigerant: R-32, with low global warming potential
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Energy efficiency: SEER 25, HSPF up to 12
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Exclusive Plasmacluster technology: air purification via ionization
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Whisper-quiet: Sound levels as low as 23 dB(A)
Built-In Air Purification with Plasmacluster
This installation also stands out for its ability to clean indoor air. Thanks to SHARP’s Plasmacluster technology, this heat pump neutralizes viruses, allergens, mould, and persistent odours, an essential feature in dense urban environments like Parc-Extension.
Smart Features and Connectivity
This model is Wi-Fi enabled and can be controlled remotely through a mobile app. It also automates cycles based on occupancy, using an optional motion sensor on some indoor units, while providing energy consumption reports—ideal for households mindful of their carbon footprint.
Why This Installation Sets a Standard in Montréal
Meeting the Needs of a Dense Residential Sector
The Parc-Extension neighbourhood, known for its cultural diversity and compact urban planning, requires HVAC solutions that are high-performing, quiet, and discreet. The SHARP BU DoubleZone meets all these criteria, fitting seamlessly into tight environments while delivering even thermal comfort across multiple rooms.
An Energy-Efficient System Eligible for Government Grants
Thanks to its R-32 refrigerant and high-efficiency inverter compressor, this system reduces energy consumption while maintaining stable output. Additionally, this heat pump qualifies for Hydro-Québec’s LogisVert grants, making it a smart investment for homeowners looking to improve energy efficiency.
AirGreen’s Expertise Working for You
A Team Trained for Québec’s Climate
Our certified installers are trained to handle Montréal’s winter realities. We understand the challenges of installing wall-mounted heat pumps on rooftops, including managing snow, frost, and defrosting systems. Our best practices ensure continuous operation down to -27°C, offering unmatched reliability.
Complete Support: From Quote to Optimization
At AirGreen, we guide our clients from start to finish—choosing the right model, assessing specific needs, helping with grant applications, flawless installation, commissioning, and preventive maintenance. For this Parc-Extension project, we also advised the client on optimal indoor unit placement and advanced remote control use for improved air distribution.
Key Takeaways from This Installation
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Location: Parc-Extension, Montréal
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Machine: SHARP BU DoubleZone wall-mounted heat pump
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Capacity: 24,000 BTU/h cooling, 26,000 BTU/h heating
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Exceptional performance down to -27°C
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Raised, secure, winter-optimized installation
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Advanced Plasmacluster air purification technology
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Eco-friendly R-32 refrigerant
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Eligible for energy efficiency grants
At AirGreen, every installation is custom-tailored, with close attention to technical details, client comfort, and long-term system durability. This project in Parc-Extension is a perfect example: a top-tier solution, reliable and fully adapted to Montréal’s climate.