Gree Charmo R32 Wall-Mounted Heat Pump | 9,000 BTU | Montreal, Laval, Longueuil, South Shore & North Shore

SKU: GWH09ATCXB-D6DNA4D/O
Provincial Grant (LogisVert): 405 $ (Updated: May 1, 2025)
Model Number (Interior): GWH09ATCXB-D6DN***/I
Model Number (External): GWH09ATCXB-D6DNA4D/O
AHRI: 215386291
ENERGY STAR®: No
ENERGY STAR® (Cold Climate): No / No
Heating Capacity: -25 °C
Cooling Capacity: 9,000 BTU
Gas (Freon): R-32
SEER2: 20.5
HSPF2: 8.8
EER2: 12.5
Interior Dimensions (W x D x H): 32.88 x 7.88 x 10.83
External Dimensions (W x D x H): 28.81 x 12.98 x 21.88

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  • WiFi: Included
  • Warranty (Compressor - Parts - Labor): 12-12-0
  • Additional Warranty: Possible
  • Piping: 1/4 - 3/8
  • Voltage: 220 V
  • Sound Pressure Level (Outdoor): 61.0 dB(A)
  • Sound Pressure Level (Indoor): 24/41 dB(A)

An economical and reliable solution for tailor-made comfort in Greater Montreal

The Gree Charmo R32 | 9,000 BTU wall-mounted heat pump is a direct response to the needs of homes and small residential spaces in Montreal , Laval , Longueuil , as well as the surrounding areas of the South Shore and the North Shore . At AirGreen, we install this model daily for customers looking for a reliable, energy-efficient and affordable HVAC system. In this article, we present all the real advantages of this compact heat pump, the technical specifications to know, concrete installation scenarios, as well as our expert advice based on our numerous field interventions.


A smart choice for small residential spaces or isolated offices

The Gree Charmo 9,000 BTU is ideal for spaces up to approximately 400 to 450 sq ft , making it a perfect option for:

  • Studios and 3½ in Montreal

  • Semi-finished basements in Laval

  • Home offices in Longueuil homes

  • Second floor rooms in North Shore properties

  • Small shops or salons located on the South Shore

This model is highly prized for its ease of installation , its quiet operation and its ability to heat down to -25°C , which is essential for our harsh Quebec climate.


Key technical features of the Gree Charmo 9,000 BTU

Here is an overview of the technical specifications that distinguish this wall-mounted heat pump on the HVAC market:

  • Cooling capacity : 9,000 BTU

  • Refrigerant : R-32 – a modern, more environmentally friendly gas

  • Energy efficiency : SEER2 20.5 , HSPF2 8.8 , EER2 12.5

  • Voltage : 220V

  • Indoor noise level : 27 / 37 dB(A)

  • Compact Dimensions (Interior): 32.88 x 7.88 x 10.83 inches

  • Operates down to -25°C – ideal for Montreal winters

  • Built-in Wi-Fi for smart control with the GREE+ app

Additionally, it is not ENERGY STAR® certified , but its performance remains excellent for its category.


Integrated technologies for an optimized user experience

The Charmo R32 system incorporates a series of functions designed for comfort and ease of use :

  • Auto Clean : Prevents the accumulation of dust and mold inside the unit

  • Effective dehumidification , useful during humid summers in Longueuil

  • I-Feel function : automatically adjusts the temperature around the remote control

  • Integrated A2L leak detection

  • Low voltage start , ideal for areas subject to electrical fluctuations

  • Motorized shutter control for even air distribution

  • Automatic diagnosis in case of breakdown

These features are particularly useful in modern homes, renovated duplexes in Laval or Montreal condos.


A typical HVAC installation with AirGreen: Real example in Boucherville

Recently, our team installed a Gree Charmo 9,000 BTU heater in a 3.5-room apartment on the second floor of a building in Boucherville, on the South Shore . The client was looking for an efficient way to heat their home in winter without relying on expensive electric heaters. The installation was completed in half a day, with a compressor discreetly positioned on the back balcony.

The result : a 30% reduction in electricity consumption on the Hydro-Québec bill, and consistent comfort in the living space. In addition, thanks to the $405 LogisVert grant , she recouped part of her investment in the first year.


An accessible product, without compromising on reliability

Although it's an entry-level model, the Charmo 9,000 BTU offers impressive durability . The heat pump comes with a 12-year compressor warranty , as well as a 12-year parts warranty . The lack of a standard labor warranty is offset by the option to obtain an additional warranty directly from AirGreen.


Frequently asked questions from our customers

Is this model sufficient for heating in Montreal in winter?
Yes, with a certified heating capacity down to -25°C , this heat pump is perfectly suited to Montreal winters, especially for insulated or small rooms.

Can it be installed in a condo building or rental unit?
Absolutely. Our installers always make sure to comply with municipal regulations and condominium association guidelines, whether in Montreal , Laval or on the North Shore .

What are the minimum dimensions required for wall installation?
A 33-inch clear width area is usually sufficient, along with at least 6 inches of clear space around the indoor unit.


Why trust AirGreen with the installation of your Gree heat pump?

  • Free on-site estimate in Montreal, Longueuil or Laval

  • Transparent prices : never any surprises on the bill

  • No deposit required : pay only at the end

  • Certified and experienced technicians

  • Fast and human after-sales service

We have installed hundreds of Gree Charmo 9,000 BTUs across Greater Montreal, and our reputation is based on the quality of our work and customer satisfaction .


Summary: an economical, high-performance mini split, perfectly suited to our climate

The Gree Charmo R32 9,000 BTU is an excellent choice for those looking for a reliable, quiet, and easily controlled HVAC system . At AirGreen, we regularly recommend it to our customers for its exceptional value , winter performance , and modern features , all at an affordable price.


Contact AirGreen today for a free quote

Are you considering installing a Gree Charmo R32 | 9,000 BTU wall-mounted heat pump in your property in Montreal , Laval , Longueuil , or on the South Shore or North Shore ? Contact us without obligation at 514-316-2973 or by email at sales@airgreen.ca . Our team will guide you from product selection to complete installation.

How to enable WiFi on your Gree with the GREE+ app

Gree heat pumps all have the WiFi function included or optional. It is possible to adjust the various functions of this mini split directly from your smart phone. It takes 2 minutes and will help you use your Gree to its full potential!

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