GREE EXTREME R32 1-Way Ceiling Cassette | 12000 BTU

In stock
SKU: 216618223
Provincial Subsidy (LogisVert): 1236 $ (Updated: November 26, 2025)
Model Number (Interior): GKH(12)DA-D6DNA1B/I
Model Number (External): GWH12AVDXE-D6DNA1B/O
AHRI: 216618223
ENERGY STAR®: Yes
ENERGY STAR® (Cold Climate): Yes / Yes
# ENERGY STAR ID: 4511758
Heating Capacity: -30 °C
Cooling Capacity: 12,000 BTU
Gas (Freon): R-32
WiFi: Optional

SEER2 (Seasonal Air Conditioning Efficiency)

1 20.0 30

HSPF2 (Seasonal heating efficiency)

1 8.5 15

EER2 (Instantaneous efficiency in air conditioning)

1 12.3 20

COP at -8 °C (Heating energy efficiency)

1 1.9 3
Nominal Power: 12,000 BTU
Power at -8°C: 10300 BTU
Power at -15°C: 10000 BTU
Interior Dimensions (L x D x H): 38.86 x 7.02 x 15.16 in
Dehumidification: 2.96 (pt/h)
Sound Pressure Level (Indoor): dB(A)

CFM (Airflow)

1 353 700
External Dimensions (L x W x H): 34.38 x 14.8 x 21.84 in
Piping: 1/4 - 1/2 po
Sound Pressure Level (Exterior): 55.0 dB(A)
Voltage: 220 V
MCA (Minimum Circuit Ampacity): 11 A
MOP (Maximum Overcurrent Protection): 15 A
Warranty (Compressor - Parts - Labor): 10-10-0 years
Additional Warranty: Possible

An HVAC solution designed for the technical and architectural environments of Quebec

In numerous residential , commercial , and multi-unit projects in Montreal , Laval , Longueuil , and on the North and South Shores, a single constraint consistently arises: ensuring precise thermal comfort without cluttering the space or compromising aesthetics. The GREE EXTREME R32 1-Way Ceiling Cassette | 12000 BTU perfectly embodies this principle.

At AirGreen , we've integrated this model into dozens of real-world configurations: urban condos with limited ceiling height, glass-fronted professional offices, local shops, clinics, meeting rooms, and technical spaces where airflow must be controlled with centimeter precision. This cassette isn't just a marketing ploy; it addresses concrete constraints encountered in the field, day after day.

Unlike some standardized HVAC solutions, this cassette has been designed to offer stable performance , directional airflow control and clean architectural integration , without generating excessive noise or uneven comfort zones.

Why a 1-channel cassette is often the best option

In several projects we analyze, the question is not "which heat pump to choose", but rather how the air will be distributed . A wall-mounted heat pump, although popular, is not always suitable for long, narrow spaces or spaces occupied statically (workstations, counters, waiting areas).

The single-way ceiling cassette allows for linear and directional sound diffusion :

  • The air is projected along a precise axis, without unnecessary turbulence.

  • Comfort is more uniform throughout the entire length of the room

  • The occupants do not feel any direct blast.

In a recent project in Boucherville , a south-facing commercial space experienced significant temperature fluctuations at the end of the day. A properly positioned single-way cassette unit stabilized the temperature without increasing power or energy consumption.

Actual performance in heating and air conditioning

The GREE EXTREME R32 1-Way Ceiling Cassette | 12000 BTU is not limited to summer use. It is designed as a true four-season heat pump , capable of providing reliable heating even during periods of intense cold.

Measurable and relevant capabilities

  • Efficient heating down to -30°C , essential for Quebec winters

  • Cooling capacity of 12,000 BTU , suitable for the targeted areas

  • Excellent seasonal efficiency , both in air conditioning and heating

  • Maintaining power at low temperatures , reducing the need for backup systems

  • R-32 refrigerant , promoting better heat transfer and a reduced environmental footprint

In practice, this means real thermal stability , even during the prolonged cold spells we regularly experience in Montreal and on the North Shore . Many customers report a significant reduction in temperature fluctuations and greater comfort consistency compared to their previous systems.

Compact design and discreet integration

Another key aspect of this cassette is its visual discretion . The indoor unit is designed to integrate into suspended or architectural ceilings without imposing major aesthetic constraints.

Design elements appreciated in the field

  • Compact size for easy integration into low-clearance ceilings

  • Clean, minimalist design, suitable for both residential and commercial environments

  • Multiple ventilation speeds , adjustable according to actual occupancy

  • Controlled flap orientation , allowing precise adjustment of airflow

  • Internal drainage pump , simplifying condensate management

  • Integrated security systems , reducing the risk of overflows

  • Wireless remote control and wired thermostat option, often preferred in commercial settings

In several installations carried out by AirGreen in Laval and Longueuil , these features made it possible to avoid costly modifications to the ceiling while respecting the design requirements of architects and property managers.

HVAC installation: a key performance factor

Even the best HVAC equipment can underperform if it's poorly installed. A ceiling cassette requires meticulous planning , from positioning to piping, drainage, and electrical connections.

Common errors observed in the field

  • The cassette was misaligned with the area to be served.

  • Inadequate airflow for the actual thermal load

  • Pipe lengths exceeding recommended limits

  • Poorly designed drainage, causing problems in the medium term

  • Lack of prior thermal analysis

At AirGreen , every project begins with a comprehensive technical assessment . We analyze the building's orientation, space utilization, solar gain, ceiling height, and actual occupancy. This approach ensures that the GREE EXTREME R32 | 12000 BTU 1-Way Ceiling Cassette operates at its full potential, year after year.

Concrete examples of AirGreen installations

Urban condo in Montreal

In a modern, open-concept condo, the client wanted an invisible and silent solution. Installing a single-way cassette unit maintained a consistent temperature without compromising the interior design. The system now serves as the primary source of heating and cooling.

Professional office in Laval

In a consultation room, the priority was acoustic and thermal comfort. Thanks to precise adjustment of ventilation speeds and optimal airflow direction, the cassette provides a stable environment, without any perceptible drafts, even during periods of high occupancy.

Local shops on the South Shore

In a narrow commercial space, the directional diffusion of the cassette made it possible to eliminate cold zones near the entrance while maintaining a constant temperature to the back of the room, a common problem with poorly adapted systems.

Energy efficiency and subsidy programs

This model is known for its excellent energy efficiency , making it eligible for provincial subsidy programs, including LogisVert . Depending on the configuration and applicable criteria, financial assistance of up to $1,236 may be available.

Our teams systematically support clients in Montreal , Laval , Longueuil , North Shore and South Shore with administrative procedures to optimize available subsidies and avoid compliance errors.

Reliability, maintenance and durability

The GREE EXTREME R32 1-Way Ceiling Cassette | 12000 BTU is designed for heavy-duty use. It comes with a 10-year warranty on the compressor and parts , with the option to extend it as needed.

Regular HVAC maintenance remains essential:

  • Periodic cleaning of the filters

  • Drainage check

  • Inspection of refrigeration connections

  • Adjusting operating parameters

In commercial and multi-residential buildings, our maintenance plans help maintain energy performance while extending the life of the system.

Why entrust this project to AirGreen?

Choosing AirGreen means relying on a company specializing in HVAC that understands the realities of the Quebec market:

  • Rigorous technical analysis before each installation

  • Qualified and experienced installers

  • Clear and transparent pricing , confirmed before work begins

  • $5,000,000 liability insurance

  • Structured post-installation monitoring and after-sales service

Our goal is simple: to deliver a reliable, high-performance installation perfectly suited to your building, without unnecessary compromises.

Conclusion

The GREE EXTREME R32 1-Way Ceiling Cassette | 12000 BTU is an ideal HVAC solution for spaces where discretion , winter performance , and comfort control are essential. When properly sized and installed, it provides lasting thermal stability and measurable energy efficiency.

To obtain a personalized quote , check eligibility for subsidies , or discuss a project in Montreal , Laval , Longueuil , on the North Shore or South Shore , contact AirGreen Heat Pumps, Air Conditioning & Heating directly. Our experts will guide you through every step, from the initial analysis to long-term maintenance.