A Sharp ZU1 wall-mounted heat pump installation designed for performance and durability
On the rooftops of Côte-des-Neiges, in the heart of metropolitan Montreal, our AirGreen team installed Sharp ZU1 wall-mounted heat pumps designed to meet the year-round comfort needs of a multi-unit residential building. This project perfectly illustrates our expertise in installing HVAC systems on flat roofs , combining energy efficiency, discreet aesthetics, and sustainable performance.
Project context: an apartment building requiring a reliable and discreet system
The building owner wanted to modernize its air conditioning and heating system while minimizing the visual and noise impact for residents. Installation on the flat roof was the ideal solution to meet these requirements, allowing optimal air circulation and simplified maintenance. Our technicians therefore installed several Sharp ZU1 outdoor units , chosen for their robustness and Eco Inverter R-32 technology, guaranteeing substantial energy savings and quiet operation.
The advantages of the Sharp ZU1 heat pump
The Sharp ZU1 models represent a recent generation of high-efficiency wall-mounted heat pumps , compatible with R-32 refrigerant . This more environmentally friendly refrigerant offers an excellent compromise between performance and respect for the environment. Among the distinctive advantages:
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Optimal operation down to -25°C , ensuring stable heating even in the middle of Montreal winter.
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Eco Inverter technology , modulating the compressor power to reduce electricity consumption.
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Reduced noise level , perfect for high density residential buildings.
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Compatibility with energy efficiency subsidies offered in Greater Montreal.
Careful technical work on a flat roof
For this installation, our technicians mounted the outdoor units on raised metal supports attached to treated wood crosspieces, ensuring perfect stability while preserving the roof's watertightness. Each condenser is connected to a dedicated waterproof electrical panel, with refrigerant lines protected by UV-resistant insulating sheaths .
The pipe routing was planned to minimize lengths and maintain the system's thermal efficiency. The choice of gravity drainage for condensate simplified maintenance and ensured natural water drainage.
Technical challenges and solutions
Installing on a flat roof requires rigor and precision. Our teams had to:
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Ensure optimal ventilation despite the proximity between several units.
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Stabilize structures against vibrations and freeze-thaw.
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Optimize electrical passage in an environment exposed to bad weather.
Thanks to careful preparation and our experience in HVAC installations on urban buildings , every constraint was anticipated. The result: a harmonious, efficient and durable whole.
A project that complies with standards and is eligible for funding
Sharp ZU1 heat pumps installed in Côte-des-Neiges are eligible for financial assistance programs such as Rénoclimat and Chauffez vert . These incentives allow building owners to reduce their installation costs while investing in energy-efficient technology.
At AirGreen, we support our clients in every step of the process , from model selection to submitting grant applications.
The importance of regular maintenance
To maintain the performance of these heat pumps, we recommend annual HVAC maintenance, including filter cleaning, refrigerant gas testing, and electrical inspection. Our certified technicians provide this service, ensuring maximum longevity and consistent performance, winter and summer.
Why choose AirGreen for your flat roof installations in Montreal
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Local expertise : hundreds of successful HVAC installations in Greater Montreal.
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Mastery of urban constraints : structures, flat roofs, condominiums, plexes, etc.
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Turnkey service : advice, installation, maintenance and administrative support for grants.
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Sustainable commitment : promoting energy-efficient and environmentally friendly technologies.
By installing these Sharp ZU1 heat pumps in Côte-des-Neiges , we have once again demonstrated that it is possible to combine performance, aesthetics and reliability—even in the most demanding environments. This project illustrates the AirGreen signature : careful, durable installations designed for the Quebec climate.