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The Gree Charmo R32 | 18,000 BTU Wall-Mounted Heat Pump is an ideal heating and cooling solution for homes and small businesses located in Montreal, Laval, Longueuil, the South Shore and the North Shore . At AirGreen, we chose to integrate this unit into our product line for its excellent value for money, its ease of use, and its ability to meet the real needs of Quebecers, even in winter.
Why is the Gree Charmo a popular choice in Quebec?
More and more of our customers are looking for a wall-mounted heat pump that combines performance, energy efficiency and affordability . The Gree Charmo 18,000 BTU , with its variable-speed compressor, environmentally friendly R-32 refrigerant , and integrated WiFi technology, perfectly meets this demand. Its reliable and quiet operation makes it an attractive solution for families and small businesses, while also allowing you to benefit from the $765 LogisVert grant (updated May 1, 2025) .
Unlike some units that stop working properly as soon as the mercury drops below -15°C, the Gree Charmo maintains reliable heating capacity down to -25°C . Thanks to this feature, our technicians frequently install it in single-family homes, duplexes or condos throughout the island of Montreal, in Laval or Saint-Bruno, where the need for efficient supplemental heating is essential.
With a cooling capacity of 18,000 BTUs , this wall-mounted unit easily cools medium to large spaces, such as an open-plan living room, a ground floor, or a small commercial space . Its SEER2 of 20.0 and EER2 of 12.4 are a testament to its above-average energy efficiency.
| Characteristic | Data |
|---|---|
| Interior Model | GWH18ATDXD-D6DN***/I |
| Exterior Model | GWH18ATDXD-D6DNA4F/O |
| Refrigerant | R-32 |
| Tension | 220V |
| Piping | 1/4 - 1/2 |
| Interior Dimensions (L x D x H) | 37.13 x 9.69 x 13.11 inches |
| External Dimensions (L x W x H) | 31.58 x 13.78 x 21.84 inches |
| Sound Level (Indoor) | 38 / 49 dB(A) |
| Sound Level (Outdoor) | 67 dB(A) |
| SEER2 | 20.0 |
| HSPF2 | 8.5 |
| ENERGY STAR® | No |
The Gree Charmo includes several advanced features as standard that enhance the user experience and the durability of the unit:
Built-in WiFi : allows remote control via the GREE+ app
Auto Clean : Prevents the buildup of mold and bacteria
Dehumidification : perfect for humid days in Longueuil or Laval
I-Feel function : intelligent temperature sensor in the remote control
Automatic diagnosis : makes troubleshooting easier in case of problems
Low voltage start & automatic adaptation : stable operation even with variable voltage
A2L leak detection : increased security
Although not ENERGY STAR® certified, the Gree Charmo offers comparable performance to some certified models. Its optimized energy consumption and inverter technology reduce electricity bills while ensuring comfort, making it a smart, economical choice for urban and suburban areas.
In April 2025, we installed a Gree Charmo 18,000 BTU in a home in Laval-Ouest. The client wanted a quiet, energy-efficient, and affordable system. Thanks to our quick and careful work, she was able to benefit from the $765 LogisVert grant , thus reducing her net cost. The integrated Wi-Fi now allows her to control her heat pump remotely via her phone.
In Boucherville, we replaced an old wall-mounted air conditioner with a Gree Charmo unit in an 1,100 sq. ft. condo. The new, more discreet and efficient system reduced the owner's energy consumption by 20% on his Hydro-Québec bill , while improving comfort during summer nights.
At AirGreen , we put our HVAC expertise at the service of each client:
Free, no-obligation home assessment
Clear final quote , no hidden costs
Certified technicians , specialized in wall-mounted heat pumps
No deposit required , payment at the end only
Fast installations , with professional after-sales service
We know the realities of the Quebec climate , the installation standards, the available subsidies, and above all, we listen to the real needs of our customers.
The Gree Charmo R32 | 18,000 BTU wall-mounted heat pump is a reliable, affordable, and well-designed solution for those looking for efficient air conditioning and heating without compromising their budget. Whether you're in Montreal, Laval, Longueuil, on the North Shore or the South Shore , AirGreen is your trusted partner for professional and sustainable HVAC installation .
Are you considering installing a Gree Charmo in your home or business?
Contact us today for a free on-site estimate. Take advantage of our expertise, transparent service, and attractive grants to improve your comfort year-round.
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!
