SHARP Dual Zone Heat Pump | R32 -30°C

A DualZone heat pump designed for Quebec's harsh winters

At AirGreen, we install HVAC systems in single-family homes, duplexes, condos, and small multi-unit buildings throughout Montreal, Laval, Longueuil, and on the North and South Shores . The SHARP CU Dual Zone Heat Pump | R32 -30°C is one of the solutions we recommend when our clients want to heat and cool two separate spaces with a single, high-performance outdoor compressor that is reliable and suitable for extreme temperatures.

The AE-X3M24CU outdoor model, with a nominal capacity of 24,000 BTU , is designed to operate efficiently down to -30°C in heating mode , which is essential for Quebec's climate. Unlike many entry-level systems that quickly lose efficiency below -15°C, this series is ENERGY STAR® (Cold Climate) certified and offers measured and documented performance.

Key technical specifications

• Cooling capacity: 24,000 BTU

• Power at -8°C: 25,000 BTU

• Power at -15°C: 21,200 BTU

• Refrigerant: R-32

• SEER2: 24.0

• HSPF2: 11.5

• EER2: 14.0

• Outdoor noise level: 54 dB(A)

• Voltage: 220V

• Warranty: 10 years compressor – 10 years parts – 0 years labor (extended warranty available)

We always analyze this data in relation to the reality of the building: insulation, surface area, room configuration, orientation, ceiling height and heating habits.

Coanda air diffusion technology: comfort without direct drafts

One of the key features of the SHARP CHU/CU series is the Coanda Airflow technology. This technology allows air to circulate along the ceiling in cooling mode and along the floor in heating mode, thus avoiding an uncomfortable direct blow.

Specifically, during an installation we carried out in a condo in Boucherville (South Shore) , the owners complained of drafts with their old wall-mounted system. After installing the SHARP DoubleZone CU, the more diffused air distribution significantly improved comfort in the living room and master bedroom.

Note: Differences between CU and CHU series

It is important to clarify that:

• The CU series does not have a motion sensor .

• The horizontal left-right flaps are not automatic on the CU series (manual adjustment).

These features are present on some CHU units, but not on the CU. At AirGreen, we always explain these distinctions to our clients to avoid any confusion when choosing a model.

DoubleZone: an efficient solution for two separate spaces

The DoubleZone configuration allows you to connect up to two indoor units (from the compatible models AY-XPC9CU, AY-XPC12CU, AY-XPC18CU and AY-XPC18CU-B) to a single AE-X3M24CU outdoor compressor.

Real-life case: duplex in Laval

We recently installed this setup in a duplex in Laval :

• 1 unit 12,000 BTU for the ground floor (open concept kitchen/living room).

• 1 unit 9000 BTU for the floor (master bedroom).

The objective was twofold:

1. Replacing an old, expensive electrical system.

2. Avoid installing two external compressors for aesthetic and space reasons.

Result: significant reduction in winter consumption and improvement in thermal comfort, even during cold spells in January.

Energy efficiency and subsidies in Quebec

The SHARP CU Dual Zone Heat Pump | R32 -30°C is eligible for the LogisVert Grant (updated November 2025: $3,000) according to the criteria in force.

Thanks to its performance:

• SEER2 24.0 in air conditioning

• HSPF2 11.5 in heating

It meets the energy efficiency requirements sought by many homeowners in Montreal, Longueuil and on the North Shore .

We support our clients in:

• Eligibility verification.

• Technical documentation (AHRI number: 217512785).

• Preparing the forms.

R-32 refrigerant: efficiency and reduced environmental impact

The system uses R-32 gas, which is more thermally efficient than R-410A and has a lower global warming potential (GWP).

In our projects to replace older heat pumps in Montreal East , we often observe:

• An improvement in performance.

• A reduction in the refrigerant charge.

• Improved stability in cold weather.

This contributes to a more sustainable solution for homeowners concerned about their environmental footprint.

Professional HVAC Installation: A Determining Factor

A high-performance heat pump that is poorly installed will never deliver the expected results.

At AirGreen, each installation includes:

• Precise calculation of thermal loads.

• Electrical panel check (MOP 25A).

• Certified vacuum extraction.

• Pressure tests.

• WiFi configuration included.

• Full explanation to the customer.

A common mistake to avoid

We regularly see installations where:

• The refrigeration lines are undersized.

• The drain is not properly sloped.

• The outdoor wall mount transmits vibrations.

These details directly affect the compressor's lifespan and acoustic comfort. Our team of experienced refrigeration technicians systematically corrects these issues.

Noise level and everyday comfort

With an indoor noise level ranging from 23 to 43 dB(A) depending on the indoor model chosen, this heat pump is perfectly suited:

• To the bedrooms.

• At home offices.

• To condominiums.

Outside, the 54 dB(A) remains within a comfortable range for residential environments in Longueuil and Laval , where the proximity of neighbors requires rigorous acoustic control.

Mobile app and simplified maintenance

WiFi is included, allowing:

• Schedule.

• Remote adjustment.

• Monitoring of operations.

The After Care function helps to dry the indoor unit after use to limit internal humidity.

For HVAC maintenance, we recommend:

• Clean the filters every 1 to 3 months.

• Annual professional review.

• Condensation drain inspection.

Why choose AirGreen for your SHARP heat pump in Montreal and surrounding areas?

We don't just sell a product. We analyze:

• The actual configuration of the building.

• Municipal constraints.

• Grant requirements.

• The client's budget objectives.

With our $5,000,000 liability insurance, our RBQ #5645-9605-01 and our specialized HVAC installation teams in Montreal, Laval, Longueuil, North Shore and South Shore , we ensure a structured and transparent service.

Conclusion: a DoubleZone solution adapted to the Quebec climate

The SHARP CU Dual Zone Heat Pump | R32 -30°C combines:

• Performance in cold climates.

• High energy efficiency.

• Flexible two-zone configuration.

• Modern refrigerant R-32.

• Coanda comfortable air distribution.

For a condo, duplex or house requiring two separate zones, it represents a solid option when the installation is properly sized and executed.

Contact AirGreen

To obtain a detailed quote, check your eligibility for subsidies, or schedule a technical visit in Montreal, Laval, Longueuil, on the North Shore or South Shore , contact us today. Our team will guide you toward the configuration best suited to your property.