KINGHOME Charmo R32 Wall-Mounted Heat Pump | 12000 BTU 115V
SEER2 (Seasonal Air Conditioning Efficiency)
HSPF2 (Seasonal heating efficiency)
EER2 (Instantaneous efficiency in air conditioning)
COP at -8 °C (Heating energy efficiency)
CFM (Airflow)
A well-designed 115V wall-mounted heat pump for Quebec residential spaces
The KINGHOME Charmo R32 12,000 BTU 115V wall-mounted heat pump is for homeowners looking for a compact, reliable solution well-suited to installation realities in homes, condos, plexes, and small commercial spaces in Montreal, Laval, Longueuil, the North Shore, and the South Shore. At AirGreen, we analyze this type of model based on three very concrete criteria: actual heating performance, simplicity of electrical integration, and quality of on-site installation.
This KINGHOME Charmo model stands out first and foremost for its 115V power supply, an important point in many heat pump replacement or addition projects. In some older properties in Montreal, Rosemont, Villeray, Ahuntsic, Verdun, Laval-des-Rapides, or Longueuil, adding a 230V unit might require more electrical work. A well-selected 115V model can therefore simplify certain projects, while still offering 12,000 BTU capacity in both cooling and heating.
Its operation with R-32 refrigerant is also an interesting feature. R-32 is increasingly present in new generations of wall-mounted heat pumps, particularly for its better energy efficiency compared to several older refrigerants. For a client who wants to modernize their comfort without necessarily aiming for the most expensive model on the market, this KINGHOME Charmo represents a serious option.
According to the manufacturer's technical information, the indoor model is KW12HQ19CAI and the outdoor model is KW12HQ19CAO. The data sheet indicates a nominal capacity of 12,000 BTU, a maximum heating capacity of 14,600 BTU, a heating range down to -25 °C, an outdoor sound level of 52 dB(A), and an indoor sound level as low as 27 dB(A) in sleep mode.
Heating Capacity Relevant for Quebec's Climate
A 12,000 BTU wall-mounted heat pump is not chosen solely based on the BTU number listed on the spec sheet. At AirGreen, we also look at the room's orientation, insulation, ceiling height, age of windows, wind exposure, and the actual layout of the dwelling.
The KINGHOME Charmo 12,000 BTU can suit several types of spaces:
- an open-plan condo living area;
- a main living room;
- a well-insulated plex floor;
- a home office;
- a house extension;
- a small business or office;
- a room difficult to cool with the existing central system.
Its advertised heating down to -25 °C allows it to cover a large part of the cold season. However, its role needs to be clearly explained: in some homes, it can significantly reduce the use of primary heating; in others, it acts as an effective supplementary heater. The proper positioning of the indoor unit remains essential to avoid cold spots, poorly directed drafts, or heat stratification at the ceiling.
During a recent installation in a plex-type dwelling in Montreal, we encountered a typical case: the client wanted to improve comfort in the living room and kitchen, but the electrical panel and wiring path limited the options. A 115V wall-mounted heat pump became more logical than a unit requiring more extensive electrical modifications. In this type of project, the goal is not just to install a machine; it's about choosing a configuration that respects the building, the budget, and actual needs.
Energy Efficiency: What You Need to Understand
The manufacturer's spec sheet indicates a SEER2 of 19, an HSPF2 of 8.5, an EER of 2.85 W/W, and a COP of 3.5. This data helps to better understand the unit's performance in cooling and heating.
For an owner, here's the practical interpretation:
- The SEER2 provides an indication of seasonal cooling efficiency.
- The HSPF2 reflects seasonal heating efficiency.
- The COP indicates the ratio between energy consumed and heat produced.
- The EER allows evaluation of instantaneous cooling efficiency.
In a neighborhood like Laval, where many homes have large open spaces and partially partitioned floors, these figures must always be analyzed in conjunction with the house's configuration. A properly installed unit in the right space will yield better results than a more expensive machine positioned incorrectly.
A Discreet Indoor Unit, with WiFi Included
The indoor unit KW12HQ19CAI measures approximately 32.88 x 7.88 x 10.83 inches, making it easy to integrate into many rooms without visually cluttering the wall too much. The included WiFi control is a practical advantage for customers who want to adjust the temperature remotely, create schedules, or avoid unnecessarily heating a room when they are away.
The technical sheet mentions several useful functions:
- WiFi included;
- I-Feel function;
- Self Clean mode;
- soft start;
- 8 °C heating;
- forced defrost;
- infrared remote control included;
- dehumidification rated at 2.96 pt/h.
Airflow varies with speed. In sleep mode, the unit drops to approximately 182 CFM with a sound level of 27 dB(A). In turbo mode, it can reach approximately 424 CFM. This variation is important for acoustic comfort. In a bedroom or office, the minimum sound level often becomes as important as the heating or cooling capacity.
Outdoor Installation: Details That Make a Difference
The outdoor unit KW12HQ19CAO requires a serious installation, especially in Quebec. The manufacturer's data sheet indicates that the unit must be placed at least 18 in / 45 cm above any surface to allow for snow clearance and drainage of defrost water. This is a point that we take very seriously at AirGreen.
A heat pump installed too low can quickly encounter problems:
- snow accumulation around the outdoor unit;
- ice under the compressor;
- insufficient drainage during defrost cycles;
- decreased performance;
- risk of noise or vibration caused by poor support;
- difficult access for HVAC maintenance.
On the South Shore, particularly in Boucherville, Saint-Hubert, Sainte-Julie, and Longueuil, many installations are done near entrances, balconies, or narrow backyards. In these situations, we assess whether the outdoor unit should be installed on a wall bracket or a ground support. The choice depends on the structure, potential noise, available space, snow accumulation, and future access for service.
Piping, Clearances, and Good HVAC Practices
This heat pump uses 1/4 in – 3/8 in piping, a common size for many 12,000 BTU wall-mounted units. The manufacturer specifies a maximum piping length of 100 ft / 30 m, a maximum height difference of 60 ft / 20 m, a minimum length of 10 ft / 3 m, and a pre-charge up to 24.6 ft / 7.5 m.
These figures are very useful, but they don't replace field experience. Piping that is too long, poorly insulated, or improperly protected can harm performance. A poorly sealed wall outlet can cause air or water infiltration. A condensation drain that is not properly sloped can lead to water backing up indoors.
At AirGreen, our HVAC installation approach includes:
- evaluating the cleanest and shortest possible piping route;
- aesthetic protection of lines when necessary;
- checking condensation drainage;
- respecting manufacturer's clearances;
- leak testing;
- vacuum pulling;
- full commissioning with validation of operation.
These are the steps that differentiate a merely functional installation from a durable and professional one.
Why Choose AirGreen to Install This KINGHOME Charmo R32
Purchasing a KINGHOME wall-mounted heat pump should never be limited to a technical specification sheet. Real performance depends heavily on the quality of installation, selection of the right location, and after-sales service. At AirGreen, we install HVAC systems in a wide variety of contexts: recent condos in Griffintown, old plexes in Montreal, single-family homes in Laval, multi-generational properties on the North Shore, bungalows in Longueuil, and family residences in Montérégie.
An interesting model for projects where 115V simplifies installation
The fact that this heat pump operates on 115V can be a significant advantage. It requires a minimum circuit ampacity of 19A and a maximum protection of 20A. This data must be validated against the electrical panel, wiring path, and applicable standards.
In some projects, clients want to avoid more complex electrical work. In others, the available location makes routing a new circuit more delicate. We never present 115V as a universal solution, but in the right context, it can make the project simpler, cleaner, and more economical.
LogisVert: an important clarification
According to the information currently displayed on the product page, the LogisVert provincial subsidy indicated for this model is $0, with an update on November 26, 2025. This means that a customer choosing this heat pump should primarily evaluate it based on its price, performance, installation, and suitability for their space, rather than on provincial financial aid.
At AirGreen, we regularly check models' eligibility for subsidies, as programs can change. For customers comparing several options, we can also present eligible alternatives when the main goal is to maximize the subsidy amount.
Common Mistakes to Avoid
With a 12,000 BTU wall-mounted heat pump, several errors frequently occur when the project is poorly planned.
The first mistake is choosing solely based on price. A cheaper unit can become expensive if the installation is poorly done, if the drain leaks indoors, if the outdoor unit vibrates against a bedroom wall, or if there is no after-sales service.
The second mistake is underestimating the placement of the indoor unit. Installing the unit facing a too-narrow corridor, above too-tall furniture, or in a poorly cleared corner can limit air diffusion. Even a good unit will yield average results if it blows in the wrong direction.
The third mistake concerns the outdoor unit. An installation that is too low, too close to a wall, or poorly protected against snow can cause problems from the first winter. This is particularly important in windy areas or in yards where snow accumulates quickly.
The fourth mistake is neglecting maintenance. A clogged filter, dirty fan coil, or obstructed indoor coil can reduce comfort, increase electricity consumption, and cause odors. Regular HVAC maintenance extends the system's lifespan and maintains better air quality.
Warranty and Peace of Mind
The manufacturer's data sheet mentions a standard warranty of 7 years parts and compressor, extendable up to 12 years parts and compressor after registration, according to applicable conditions. On the AirGreen page, the displayed warranty is 12 years compressor, 12 years parts, 0 year labor, with the possibility of an additional warranty.
This distinction is important: the manufacturer's warranty generally covers parts according to specified conditions, while labor depends on the chosen offer. At AirGreen, we clearly explain these elements before installation to avoid unpleasant surprises.
For which customers is this heat pump a good choice?
The KINGHOME Charmo R32 12,000 BTU 115V can be particularly relevant for:
- an owner who wants a compact wall-mounted heat pump;
- a condo or apartment requiring a simple and effective solution;
- a space where 115V offers an integration advantage;
- a customer who wants WiFi included without adding a separate accessory;
- a project where the subsidy is not the main criterion;
- an installation in a moderately sized main room;
- a replacement or HVAC addition in an existing property.
It will be less suitable for a large, very open house, a poorly insulated space, or a project where the customer absolutely wants a heat pump eligible for a significant provincial subsidy. In these cases, we can recommend other, better-suited models.
An AirGreen installation, from initial advice to start-up
Our role is not limited to selling a machine. We help the customer choose the right model, understand the real limitations of each device, and avoid hasty decisions. For this KINGHOME Charmo, we particularly validate:
- the room size;
- the insulation;
- the indoor location;
- the outdoor location;
- the distance between units;
- the electrical path;
- the type of outdoor support;
- co-ownership constraints, if applicable;
- access for future maintenance.
This method reduces unforeseen events and results in a cleaner, more reliable installation better suited to the building.
An accessible solution for Montreal, Laval, Longueuil, North Shore, and South Shore
Whether the project is located in Montreal, Laval, Longueuil, on the North Shore, the South Shore, or elsewhere in Montérégie, AirGreen can assess whether this KINGHOME Charmo R32 12,000 BTU 115V wall-mounted heat pump truly meets the building's needs. We place as much importance on equipment selection as on installation quality.
To obtain a clear quote, simply provide us with some information: photos of the indoor and outdoor locations, approximate distance between the two units, distance to the electrical panel, and preference for a wall or ground mount. From there, we can prepare a more precise offer and guide you to the best option.
Contact AirGreen today for a quote, consultation, or personalized recommendation for your wall-mounted heat pump project in Montreal, Laval, Longueuil, on the North Shore, or the South Shore.