ForestAir E24 R454B Wall-Mounted Heat Pump (115V) | 9,000 BTU

In stock
SKU: FA-H09-A24TL-O-454
Provincial Subsidy (LogisVert): 0 $ (Updated: November 26, 2025)
Model Number (Interior): FA-H09-A24TL-I-454
Model Number (External): FA-H09-A24TL-O-454
AHRI: 217512355
ENERGY STAR®: Yes
ENERGY STAR® (Cold Climate): Yes / Yes
# ENERGY STAR ID: -
Heating Capacity: -25 °C
Cooling Capacity: 9,000 BTU
Gas (Freon): R-454B
WiFi: Included

SEER2 (Seasonal Air Conditioning Efficiency)

1 23.0 30

HSPF2 (Seasonal heating efficiency)

1 9.5 15

EER2 (Instantaneous efficiency in air conditioning)

1 13.0 20

COP at -8 °C (Heating energy efficiency)

1 1.9 3
Nominal Power: 9,000 BTU
Power at -8°C: 8000 BTU
Power at -15°C: 7100 BTU
Interior Dimensions (L x D x H): 32.25 x 12 x 7.63 in
Vertical flap control (Air direction): Auto
Horizontal flap control (Air direction): Auto
Sound Pressure Level (Indoor): 30 / 43 dB(A)

CFM (Airflow)

1 326 700
External Dimensions (L x W x H): 31.88 x 12 x 21.63 in
Piping: 1/4 - 3/8 po
Sound Pressure Level (Exterior): 50.0 dB(A)
Voltage: 115 V
MCA (Minimum Circuit Ampacity): 15 A
MOP (Maximum Overcurrent Protection): 20 A
Warranty (Compressor - Parts - Labor): 10-10-0 years
Additional Warranty: Possible

A well-designed 115V format for condos, bedrooms, and small spaces with variable comfort needs

The ForestAir E24 R454B (115V) | 9,000 BTU wall-mounted heat pump addresses a very specific need we often see at AirGreen: providing true comfort in air conditioning and heating in a targeted space, without systematically requiring a 208-230 V power supply. For many owners of condos, small apartments, master bedrooms, enclosed offices, or residential extensions in Montreal, Laval, Longueuil, on the North Shore and South Shore, this detail completely changes the feasibility of the project.

This model is not intended for large open areas or entire homes. Instead, it targets situations where the right appliance is not necessarily the largest, but the one that truly fits the room, the building envelope, the electrical panel, the desired sound level, and daily use. This is exactly where AirGreen brings value: we don't just sell a machine; we verify if this 9,000 BTU is the right choice for your space.

In the field, we often encounter the same scenario: a client wants to correct a room that's too hot in summer and too cold in winter, but doesn't want to redo the entire central system or undertake heavy electrical work for a simple zone need. In such cases, a properly sized 115V wall-mounted heat pump can be a very consistent HVAC solution.

Key features to consider before purchasing

Here are the technical elements that deserve real attention for this model:

  • Cooling Capacity: 9,000 BTU/h
  • Nominal Heating Capacity: 10,000 BTU/h
  • Heating operation down to -25 °C
  • Refrigerant: R-454B
  • Power Supply: 115V / 60 Hz / 1 phase
  • MCA: 15 A
  • MOP: 20 A
  • SEER2: 24.0
  • EER2: 13.0
  • HSPF2: 8.6
  • COP: 3.81
  • ENERGY STAR®: yes
  • ENERGY STAR® Cold Climate: yes
  • AHRI Code: 217512355
  • Wi-Fi included via USB connectivity
  • Voice control compatible with Google Home and Amazon Alexa
  • Indoor Sound Level: 30 to 43 dB(A) depending on speed
  • Outdoor Sound Level: 50 dB(A)
  • Indoor Airflow: 153 to 326 CFM depending on speed
  • Piping: 1/4 in – 3/8 in
  • Maximum Pipe Length: 15 m (49 ft)
  • Maximum Elevation: 10 m (33 ft)
  • Warranty: 10 years compressor, 10 years parts, 0 years labor
  • Additional Warranty: available

These data are important for a simple reason: they allow judging the machine beyond the word heat pump or just the number of BTU. A SEER2 of 24.0 indicates very good seasonal cooling efficiency. An HSPF2 of 8.6 shows interesting heating performance for a unit of this size. The fact that it is ENERGY STAR® Cold Climate adds a reassuring signal for our Quebec winters.

What 115V concretely changes in an AirGreen project

The 115V immediately draws attention, and rightly so. In many condos in Montreal or Longueuil, we encounter electrical panels that are already quite busy. When a client wants to add a wall-mounted heat pump in a bedroom or office, the availability of a 208-230 V circuit is not always there. A 115V model can then simplify the project.

This does not mean it's a "plug and play" device. That would be a mistake. We always check:

  1. the actual capacity of the electrical panel;
  2. the presence of a compliant dedicated circuit;
  3. the appropriate protection according to the MCA of 15 A and the MOP of 20 A;
  4. the actual length of piping;
  5. the location of the outdoor unit.

In a recent condo in Laval, this type of appliance often helps avoid heavier electrical work. In an older duplex in Montreal, it can also be relevant, but only after complete validation. We regularly see projects where the client thought they would save time with 115V, when the real issue was rather the location, drainage, or outdoor access.

Real comfort: silence, air distribution, and daily control

This ForestAir E24 also stands out for its user comfort. The indoor unit goes down to 30 dB(A) at low speed. For a bedroom, office, or secondary family room, this is an important point. The outdoor sound level of 50 dB(A) also remains attractive for dense residential areas, particularly in several boroughs of Montreal, in Laval-des-Rapides, in Longueuil, or in Montérégie, where proximity to neighbors necessitates a more considered choice.

The modulated airflow at multiple speeds, combined with automatic vertical and horizontal louvers, helps to better distribute air in the room. This is not a marketing detail. In elongated rooms or spaces where the sun strikes strongly in the afternoon, poor air distribution often creates a feeling of discomfort even when the displayed temperature seems correct. Here, the 4-way air sweep significantly improves comfort uniformity.

The brochure also highlights rapid cooling in 30 seconds. In practice, the perceived effect always depends on the area, insulation, ceiling height, and solar load, but in a well-targeted room, the effect is tangible. We particularly notice it in bedrooms above the garage, slightly damp basement offices, and condos with large west-facing windows.

Another useful advantage: Wi-Fi connectivity. It allows remote temperature management, which is appreciated for:

  • bringing the space back to temperature before returning home;
  • avoiding unnecessary overheating during milder periods;
  • adjusting the schedule for a home office;
  • monitoring a rented room, intergenerational housing, or secondary property.

Heating down to -25 °C: useful, but to be interpreted correctly

Many product sheets display a heating operating threshold, and readers sometimes too quickly conclude that the machine delivers the same capacity at all temperatures. This is not how the data should be read.

For this ForestAir heat pump, heating operation is advertised down to -25 °C. This is very useful for the Greater Montreal climate. However, it does not mean that the unit provides its full nominal capacity at -25 °C. The transmitted sheet also indicates approximately 8,000 BTU at -8 °C and 7,100 BTU at -15 °C. This nuance is important.

At AirGreen, we always explain this point to our clients in Montreal, Laval, Longueuil, on the North Shore and South Shore: a unit that operates at low temperatures can remain very relevant, but it must be chosen for the right room. In a well-insulated bedroom or a small, recent condo, this ForestAir can do the job very well. In a large open room of an old, poorly insulated building with air infiltration, we often prefer another format or another HVAC strategy.

Where this model is very relevant, and where we advise against it

We often recommend this model for:

  • a master bedroom;
  • a closed office at home;
  • a condo with electrical constraints;
  • a room above the garage;
  • a finished basement where humidity and comfort vary with the seasons;
  • a small area of approximately 250 to 450 sq ft, depending on insulation, fenestration, and solar exposure.

We generally avoid recommending it for:

  • a large open space;
  • a complete ground floor with kitchen, living room, and free circulation;
  • a very poorly insulated old house;
  • a client who wants to replace an entire central system by themselves;
  • a space with a high thermal load but no possibility of good unit positioning.

Three common mistakes we help avoid

1) Choosing tonnage based solely on area

Two rooms of the same size do not have the same needs if one is south-facing with large windows and the other is not. The simple number of square feet is not enough. This is one of the most costly mistakes in HVAC installation.

2) Thinking that 115V means simple installation

The 115V sometimes simplifies the project, but it never replaces electrical verification, proper condensate drainage, vacuum quality, or the choice of the correct outdoor location. A poorly executed installation quickly nullifies the advantage of a good appliance.

3) Ignoring the real warranty and total cost

The displayed warranty here is 10-10-0: 10 years compressor, 10 years parts, 0 years labor. This is a point to clarify before signing. The transmitted sheet also indicates $0 LogisVert subsidy for this model. In this context, true profitability relies on three things: proper sizing, quality installation, and diligent maintenance.

What we check before installing and maintaining this ForestAir at AirGreen

Our HVAC installation method for this model

At AirGreen, we treat a wall-mounted heat pump as a complete system, not just a box to hang on the wall. For this ForestAir E24 9,000 BTU, our approach is structured.

Load analysis and usage validation

We start with the actual room: dimensions, orientation, window type, insulation, floor, usage, desired temperature, perceived humidity. This allows us to confirm if this 9,000 BTU is truly suitable.

Electrical verification

We validate the 115V power supply, the circuit breaker, the compliance of the dedicated circuit, and appropriate protection. This step is essential, especially in condos or older buildings in Montreal and Longueuil.

Indoor and outdoor positioning

The indoor unit measures approximately 32 1/4 x 12 x 7 5/8 in, the outdoor unit approximately 31 7/8 x 12 x 21 5/8 in. This seems compact, but clearance space, pipe routing, drainage, and maintenance access are as important as the dimensions. We also plan the piping distance, considering pre-charge and unit limitations.

Clean refrigeration installation

We pay particular attention to the quality of connections, vacuum pull, sealing, and commissioning. Many performance, noise, or lifespan problems arise from average installation, not the machine itself.

Startup and client explanation

We set the modes, remote control, Wi-Fi, louver orientation, and recommended settings. We also clearly explain when to use heating mode, dehumidification mode, and automatic mode.

Concrete situations we often encounter

Condo in Montreal with a busy panel

In this type of project, the 115V can make a difference. The client wants to air condition a bedroom or office without undertaking too heavy a renovation. If the room is well insulated and the outdoor location works, this model becomes a very logical option.

Basement office in Laval

The need isn't just temperature. It's also the feeling of heavy air. With its drying capacity of approximately 1.1 L/h, this unit helps make the space more stable and pleasant during humid periods.

Room above the garage on the South Shore

This is a classic case. The room is too hot in summer, too cold in winter, and the central system doesn't respond well to it. A well-positioned 9,000 BTU wall-mounted heat pump often corrects this problem more effectively than a simple ventilation modification.

HVAC maintenance: what to do to maintain performance

Even a good appliance quickly loses performance without maintenance. For this ForestAir E24, we recommend:

  • regular filter cleaning, especially during periods of intensive use;
  • visual inspection of the outdoor unit to prevent accumulation of debris, ice, or snow;
  • periodic professional maintenance for the coil, drainage, connections, and general performance;
  • quick monitoring if you notice water, abnormal noise, loss of airflow, or less stable heating.

In our HVAC maintenance work in Montreal, Laval, Longueuil, on the North Shore, South Shore, and elsewhere in Montérégie, we often see the same causes for service calls: clogged filters, neglected condensate drainage, accumulation around the outdoor unit, or incorrect settings after a change of season.

Why choose AirGreen for this model

This product does not display a fixed price on the sheet, and that's normal. The actual cost depends on the exit wall, piping distance, outdoor support, routing, finish, electricity, and access. At AirGreen, we always provide a clear final offer before work begins, with no surprises at the end.

We also bring concrete elements that matter in an HVAC purchase:

  • experienced refrigeration technicians;
  • a rigorous approach to HVAC installation and after-sales service;
  • a civil liability insurance of $5,000,000;
  • an active presence in Montreal, Laval, Longueuil, on the North Shore and South Shore;
  • the ability to validate performance based on technical data, the AHRI code, and actual building constraints.

Another point we take seriously: online technical sheets can sometimes display performance indicators in a confusing way. We therefore always validate performance at the source before recommending a device. This avoids misunderstandings and allows the client to compare correctly.

Conclusion and next steps

The ForestAir E24 R454B (115V) | 9,000 BTU Wall-Mounted Heat Pump is an excellent choice when installed in the right place, for the right use, with proper electrical validation and serious sizing. Its 115V format, its good energy efficiency, its operation down to -25 °C, its Wi-Fi, its contained sound level, and its cold climate profile make it an interesting solution for several targeted residential projects.

For a clear quote, an honest sizing validation, and meticulous HVAC installation in Montreal, Laval, Longueuil, on the North Shore or South Shore, contact AirGreen at 514-316-2973 or email us at sales@airgreen.ca. We will quickly tell you if this ForestAir wall-mounted heat pump is the right choice for your space, or if another format would be better.