Une installation double pour un confort optimal dans un hiver québécois rigoureux
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A Dual Installation for Optimal Comfort During Harsh Quebec Winters

At AirGreen, our mission is to transform every home into a comfortable, energy-efficient, and healthy space—no matter how harsh the weather outside. That’s exactly what we accomplished in Saint-André, where we recently completed the installation of two SHARP ZU1 12,000 BTU wall-mounted heat pumps, a project perfectly adapted to both Quebec’s climate and the client’s expectations.

Why the SHARP ZU1 Series Is Ideal for Quebec Winters

The SHARP ZU1 wall-mounted heat pumps are specifically designed to operate efficiently even at outdoor temperatures as low as -27°C. Their outstanding performance in extreme cold makes them a top choice for residential installations on the North Shore, South Shore, in Montreal, Laval, and Longueuil.

Each unit delivers a maximum heating capacity of 14,000 BTU/h, and can still perform with 7,200 BTU/h at -27°C, according to SHARP’s technical data. Additionally, these models use eco-friendly R-32 refrigerant, significantly reducing environmental impact while offering superior energy efficiency.

Installation Details in Saint-André: Precision, Efficiency, and Adaptability

In this project, the homeowner required two separate wall units to effectively cover two different zones in the house, ensuring constant comfort in each room. The AirGreen team proceeded with the installation of two SHARP AE-X12ZU1 outdoor units, each connected to its respective AY-XPC12ZU1 indoor unit.

Key Installation Steps:

  • Optimal positioning of the outdoor units: both compressors were wall-mounted on sturdy brackets, raised above ground level to avoid snow contact and promote efficient defrosting.

  • Double wall coring done with precision to route refrigerant lines, drainage, and power cables in a clean and secure way.

  • Independent electrical connections for each unit to ensure autonomous and reliable operation.

  • Cold weather performance test: the units were commissioned while the ground was still frozen — as seen in the photo — showcasing the system’s reliability even in winter conditions.

Smart Comfort by SHARP: Technological Features That Serve the User

Each SHARP ZU1 wall-mounted heat pump is equipped with Plasmacluster technology, SHARP’s exclusive air purification system that neutralizes bacteria, viruses, allergens, and odors. These units are much more than just heating and cooling systems—they are complete indoor air treatment solutions.

The units also offer:

  • Reversible heating and cooling with INVERTER technology, dynamically adjusting power to reduce energy consumption.

  • Ultra-quiet operation, ideal for installation near bedrooms or relaxation areas.

  • Remote control with precise temperature and airflow adjustments, allowing personalized comfort in each room.

The Importance of Proper Sizing: Why 12,000 BTU?

At AirGreen, we know that choosing the right BTU rating is essential. An oversized system causes short cycles and inefficiency, while an undersized one runs constantly, consuming excess energy without providing optimal comfort.

In this case, 12,000 BTU per unit was perfectly suited to the square footage of the targeted rooms. The result? Uniform temperature, effective dehumidification, and reduced energy bills.

Grants and Long-Term Cost Efficiency

SHARP ZU1 heat pumps are eligible for grants from Hydro-Québec’s LogisVert program, allowing our clients to significantly lower their upfront installation costs. On top of that, they benefit from substantial energy savings month after month.

We guide our clients through every step of the grant application, providing all required documentation and clear guidance. Our goal is to make the process as smooth as possible.

Client Testimonial: Total Satisfaction, Winter Included

After a few weeks of use, our client shared their feedback:

"I wanted a reliable solution for the winter, especially with temperatures often dropping below -20°C. The comfort was instant, and the air feels much fresher. Thank you to the AirGreen team for the clean, quick, and professional job!"

The Challenges We Faced and How We Overcame Them

1. Limited access to the back façade:

The partially snow-covered and icy terrain required careful planning to safely install the wall brackets. We used temporary heated mats to clear the working area.

2. Basement windows nearby:

We adjusted the mounting height of the outdoor units to avoid blocking natural light to the basement, while still meeting clearance standards.

3. Preventing freezing and ensuring proper drainage:

The installation included heat cables for the drainage lines, preventing ice buildup—crucial for optimal equipment longevity.

Why Choose AirGreen for Your HVAC Projects in Saint-André and Greater Montreal?

At AirGreen, we put technical expertise, transparency, and personalized service at the heart of every installation. Whether you’re located on the North Shore, South Shore, in Laval, Montreal, or Longueuil, you can count on us to:

  • Provide honest advice on the right system for your real needs.

  • Help you secure grants.

  • Perform an installation that is thorough, clean, and built to last.

  • Offer after-sales support, annual maintenance, and responsive assistance when needed.

Practical Tips for Homeowners Considering a Wall-Mounted Heat Pump

  1. Have your thermal needs assessed by an expert to avoid improper sizing.

  2. Make sure the model is certified for extreme cold (at least -27°C).

  3. Opt for professional installation, ensuring quality in all connections, drainage, and mounting.

  4. Choose brands with solid support in Quebec, such as SHARP, distributed by RBL A/C Inc. in Blainville.

  5. Request a clear and detailed quote, including potential winter-related costs (defrosting, system protection).

Conclusion: SHARP ZU1 and AirGreen, a Winning Duo Against Winter

The successful installation of these two SHARP ZU1 12,000 BTU wall-mounted heat pumps in Saint-André showcases our ability to meet heating comfort needs even in Quebec’s harshest winters. With proven technology, an experienced team, and a customer-focused approach, AirGreen reaffirms its position as a leading HVAC installer in Greater Montreal.

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