SAMSUNG Premium FJM Heat Pump | 2-Zone | Outdoor: 24,000 BTU
The Samsung Premium FJM 24 000 multi-zone heat pump heats and cools 2 rooms with a single outdoor unit. it delivers 15,200 BTU/h at −8 °C, heats down to −25 °C and qualifies for a $1,824 LogisVert grant. Installed by AirGreen in Montréal, Laval, Longueuil, the North Shore and the South Shore.
2 rooms, one outdoor unit.
Compared with the 59 multi-zone systems of 24,000 BTU we sell. Every number on this page carries its source.
Before the numbers, watch it run.
Turn rooms on and off. Watch the power being shared.
One outdoor unit supplies every head: when several rooms call at once, they share its capacity. Pick an outdoor temperature.
Tell us your rooms. We tell you if this size is enough.
Pick the number of rooms and their size. The estimate targets a −15 °C day; it is a guide, the real calculation is done room by room at your home.
The whole series at a glance: find the box that fits you.
Each box is a product: the outdoor unit’s size, and the number of heads.
At −15 °C, it still delivers 104 % of its rated capacity.
Tap a temperature: certified capacity, efficiency and the cost of one hour of heating.
It slows down, it speeds up: the certified modulation range
Light bar: from minimum to maximum capacity. Dark mark: the rated value.
At every temperature, cheaper than baseboards.
Cost of one hour at full output, for the same heat delivered. Hydro-Québec Rate D, second tier: 11.142 ¢/kWh.
The official ratings, on the same scales as before.
SEER2, HSPF2 and EER2 come from the AHRI certification. The mark shows the median of the same-size multi-zone systems we sell.
A grant you can calculate, not guess.
The capacity at −8 °C comes from Hydro-Québec’s list of October 1, 2026. $120 per 1,000 BTU/h is the rate for ENERGY STAR cold-climate heat pumps (guide v1.10).
Where it ranks among same-size multi-zone systems.
Compared with the 59 multi-zone systems of 24,000 BTU we sell, using the LogisVert list figures. Weaknesses too, said plainly.
Against three other brands in its class.
Same rated size, other manufacturers. Pick the opponent.
One multi-zone or several wall units? Both sides, honestly.
We compare both options on your floor plan during the estimate.
What to know before installing a multi-zone system.
Dimensions, wiring and lines, drawn. Then our six steps.
The outdoor unit, dimensioned
One circuit for the whole house
Published sound levels, on one scale.
We use the outdoor figure to choose where the unit goes.
What is particular about this machine.
Only facts published by ENERGY STAR, NEEP or the manufacturer.
Every number, and where it comes from.
Each line carries its source; a line with no published value is not shown.
Everything we have written about this system.
A multi-zone heat pump designed for Quebec's climate realities
At AirGreen, we regularly install multi-zone systems in properties in Montreal, Laval, Longueuil, on the North Shore, and the South Shore, and the SAMSUNG Premium FJM series is among the solutions we recommend in very specific cases: when the client wants to control multiple zones independently without multiplying outdoor units.
This outdoor heat pump of 24,000 BTU (model AJ024DXS4CG/AA) can power 2 zones (expandable to 4) with remarkable precision. It is designed to maintain stable performance even during Quebec winters, with heating capacity down to -25°C, making it a suitable choice for local conditions.
Why choose a multi-zone heat pump like the Samsung FJM
A single outdoor unit, multiple controlled spaces
The main advantage of a multi-zone HVAC system is simple:
you can air condition and heat different rooms independently with a single outdoor unit.
Specifically, this means:
- A bedroom can be maintained at 22°C
- An office can remain cooler
- A rarely used room can be minimized to save energy
This is particularly useful in:
- Duplexes and triplexes in Montreal
- Homes with extensions on the South Shore
- Properties with floors or finished basements in Laval
According to the technical brochure, an FJM system allows for independent zone management, reducing overall consumption and improving comfort.
Real performance: what we observe in the field
At AirGreen, we have installed this model in several configurations. A concrete case:
Installation in Longueuil – renovated duplex
- 1 outdoor unit 24,000 BTU
- 2 wall-mounted units (living room + master bedroom)
- Inefficient old electric heating
Result:
- Reduced electricity consumption observed from the first winter
- Stable heating even on -20°C days
- No perceptible noise in the bedrooms
This confirms the technical data:
the system can maintain high heating capacity even at low outdoor temperatures.
Key technical data to know
Capacities and efficiency
- Cooling capacity: 24,000 BTU
- Heating capacity: up to 25,000 BTU
- Performance at -15°C: maintains nominal capacity
- SEER2: up to 23
- HSPF2: up to 10.4
These figures signify excellent energy efficiency, particularly relevant for reducing electricity costs in Quebec.
Advanced operation
- Dual Rotary BLDC Inverter compressor
- Soft-start to reduce electrical load
- Control via SmartThings (WiFi included)
- Electronic expansion valves for precise refrigerant control
Eco-friendly refrigerant
- Uses R-32, a gas with lower environmental impact
- Better energy efficiency compared to older systems
Robust design adapted to outdoor conditions
This heat pump is designed to last in Canadian conditions:
- Galvanized steel structure with resistant finish
- Corrosion protection tested up to 240 hours (ISO-9227 standard)
- Integrated heated defrost pan (important in winter)
At AirGreen, we always emphasize this point:
a high-performance heat pump must be designed for winter, not just for summer.
HVAC installation: critical elements not to overlook
Piping length and configuration
This model allows:
- Up to 230 feet total length
- Up to 82 feet per indoor unit
- Maximum height difference of 49 feet
This offers great flexibility but requires rigorous installation.
Frequent errors we often correct
- Incorrect sizing of indoor units
- Poor zone distribution
- Undersized electrical installation
These errors lead to:
- Loss of performance
- Excessive noise
- Premature wear
At AirGreen, we always perform a complete analysis before installation, including:
- Heat load calculation
- Electrical panel verification
- Optimization of unit positioning
Smart technology and advanced control
SmartThings: complete remote control
With the SmartThings app, you can:
- Adjust the temperature remotely
- Monitor your energy consumption
- Automate your comfort according to your habits
The brochure confirms that the system can even analyze usage habits to optimize energy consumption.
AI Energy Mode
- Energy consumption reduction of up to 20%
- Automatic adjustment of the compressor and airflow
Indoor comfort: much more than just heating
Compatibility with several types of indoor units
This system allows connection of:
- Classic wall-mounted units
- Ceiling cassettes
- Concealed ducts
- Floor consoles
This allows the solution to be adapted according to:
- Housing aesthetics
- Space constraints
- Budget
Noise and discretion
- Indoor: as low as 22 dB(A)
- Outdoor: approximately 52 dB(A)
In the majority of our installations in Montreal and Laval, clients are surprised by the very low noise level.
Subsidy and return on investment
LogisVert Subsidy
- Up to $1,824 (2025 update)
This significantly reduces the initial cost.
Observed profitability
In our typical projects:
- Return on investment between 3 and 6 years
- Significant savings on electric heating
Why choose AirGreen for your HVAC installation
We don't just sell heat pumps.
We ensure:
- RBQ compliant installation
- Experienced refrigeration technicians
- A complete analysis before installation
- Honest advice (even if this model isn't the right choice)
What sets us apart
- Field experience in Montreal, Laval, Longueuil, North Shore, South Shore
- Solutions adapted to Quebec buildings
- Total transparency on prices and technical limitations
Conclusion: a strategic choice for multi-zone systems
The SAMSUNG Premium FJM 24,000 BTU Heat Pump is particularly suitable if you are looking for:
- An efficient multi-zone solution
- Excellent winter performance
- A smart and flexible system
- A significant reduction in your energy consumption
It's not a universal solution, but in the right cases, it's one of the most high-performing options we install.
Contact AirGreen
Are you considering a multi-zone HVAC installation in Montreal, Laval, Longueuil, on the North Shore or the South Shore?
Contact AirGreen today for:
- A free evaluation
- A personalized recommendation
- A clear and detailed quote
What people ask us about multi-zone systems.
Can I heat one room and cool another at the same time?
No. On a multi-zone system like this one, every head works in the same mode, heating or cooling. Each room still keeps its own set temperature.
What happens when every room calls for heat?
They share the outdoor unit’s capacity: 15,200 BTU/h at −8 °C, 25,000 at −15 °C.
How many heads can I connect?
Up to 4 on this outdoor unit. This product is configured for 2 heads.
How much is the LogisVert grant?
$1,824 according to Hydro-Québec’s list of October 1, 2026. The grant never exceeds 100 % of the cost before taxes; apply within 9 months of installation.
Is it ENERGY STAR certified?
Yes, cold climate, ID 3891561. It also meets the ENERGY STAR Most Efficient criteria, according to the ENERGY STAR database.
Down to what temperature does it heat?
Down to −25 °C.
Is it noisy?
Indoors, the reference head goes down to 22 dB(A). Outdoors, 52 dB(A): we place the unit away from bedroom windows.
Why a multi-zone instead of several wall units?
One outdoor unit on the wall and one circuit. In return, the rooms share the capacity, and if the outdoor unit stops, every zone stops.
What does the warranty cover?
Our sheet lists 12 years on the compressor and 12 years on parts; labour is not included by the manufacturer. AirGreen extended warranty: possible.
A multi-zone system is planned room by room. At your home.
We measure every room, draw the line route and choose the right head for each zone. The on-site estimate is free and the quote arrives within 24 h.