FORESTAIR MZ R454B 2-Zone Wall-Mounted Heat Pump | Ext: 18000 BTU
SEER2 (Seasonal Air Conditioning Efficiency)
HSPF2 (Seasonal heating efficiency)
EER2 (Instantaneous efficiency in air conditioning)
COP at -8 °C (Heating energy efficiency)
CFM (Airflow) (12,000 BTU***)
A High-Performance Dual-Zone HVAC Solution Adapted to Quebec's Climate Realities
At AirGreen, we daily install HVAC systems in Montreal, Laval, Longueuil, on the North Shore and the South Shore, and we're seeing a clear trend: clients are looking for reliable multi-zone systems that are efficient in winter and flexible for different spaces. The FORESTAIR MZ R454B 18,000 BTU 2-zone wall-mounted heat pump precisely meets these requirements.
This model stands out for its ability to serve two independent zones, while maintaining consistent performance even during periods of intense cold, an essential factor in our Quebec climate.
Why choose a dual-zone heat pump like the FORESTAIR MZ 18,000 BTU
Smart management of two distinct spaces
In several projects carried out by AirGreen, particularly in Boucherville and Laval, we have installed this type of system in typical configurations:
- A living room on the ground floor + a bedroom upstairs
- A main dwelling + a finished basement
- A duplex with distinct zones
Thanks to its 2 independent zones, this heat pump allows for:
- An individual temperature control
- An optimization of energy consumption
- Personalized comfort for each occupant
Heating performance down to -25°C: a non-negotiable criterion
One of the most important elements for an HVAC installation in Quebec is heating capacity in winter. This model offers effective heating capacity down to -25°C, making it a solid choice for:
- Single-family homes in Longueuil
- Plexes in Montreal
- Wind-exposed properties on the North Shore
According to the manufacturer's technical data, the unit can reach:
- 20,000 BTU at 8°C
- 16,000 BTU at -15°C
These performances significantly reduce the use of auxiliary heating, which means real savings for our clients.
Advanced technology and energy efficiency
High-efficiency DC Inverter
DC Inverter technology adjusts compressor power in real-time, thus avoiding energy-intensive on/off cycles.
Specifically, this means:
- Stable temperature
- Less wear and tear on components
- Better overall efficiency
The measured performances are particularly interesting:
- SEER2: 24.0
- HSPF2: 10.5
- EER2: 13.0
These values position this system among the high-performance energy-efficient options available on the Quebec market.
R-454B Refrigerant: a more responsible choice
The FORESTAIR MZ uses R-454B gas, a new generation refrigerant:
- Less environmental impact than R-410A
- Compliant with new standards
- Better thermal efficiency
At AirGreen, we increasingly recommend this type of system, especially for clients concerned about energy efficiency and available subsidies.
Essential technical data to know
Here are the key elements to consider before installation:
Main features
- Cooling capacity: 18,000 BTU
- 2 zones (maximum 2 indoor units)
- Voltage: 220V
- Outdoor sound level: 58 dB(A)
- WiFi included
Dimensions and installation
- Outdoor unit: 36.5 x 15 x 27.5 inches
- Weight: approximately 42 kg
According to the technical sheet, installation parameters include:
- Maximum refrigerant line length: 40 m (131 feet)
- Maximum length per zone: 25 m (82 feet)
- Maximum elevation: 10 m (33 feet)
This data is crucial when planning, especially for complex installations such as:
- Multi-story homes
- Properties with architectural constraints
- Renovation installations
Real experience: installation in Laval in a duplex
We recently installed this model in a duplex in Laval, where the client wanted to:
- Air condition the main living room
- Heat an upstairs bedroom
Challenges encountered:
- Significant distance between units
- Duct passage through a load-bearing wall
- Minimizing noise for a family environment
Result:
- Uniform comfort in both zones
- Reduced energy consumption
- No perceptible noise in the rooms
This type of project perfectly illustrates the versatility of this dual-zone wall-mounted heat pump.
Common mistakes to avoid with a multi-zone heat pump
At AirGreen, we have seen several poorly designed installations (often carried out without specialized HVAC expertise). Here are the mistakes to avoid:
Incorrect sizing
An 18,000 BTU system must be adapted to the surface area and insulation. Too small:
- Lack of performance in winter
- Overconsumption
Too large:
- Short cycles
- Premature wear
Poor zone distribution
Installing two poorly positioned zones leads to:
- Poor air circulation
- Thermal discomfort
- Overall inefficiency
Non-compliant installation
Improper connection or incomplete vacuuming can compromise:
- Compressor lifespan
- Energy efficiency
- Warranty
Subsidy and profitability in Quebec
This model is eligible for the LogisVert subsidy of $2400, making it a financially attractive option.
In several cases analyzed at AirGreen:
- Return on investment in 3 to 5 years
- Significant reduction in heating costs
Why choose AirGreen for your HVAC installation
Field expertise
Our refrigeration technicians install similar systems every week in:
- Montreal
- Laval
- Longueuil
- North Shore and South Shore
We master:
- The constraints of Quebec buildings
- Electrical standards (MCA 16A / MOP 25A)
- Optimizing winter performance
Complete and transparent installation
Each project includes:
- Complete thermal analysis
- Precise sizing
- Compliant installation
- Professional commissioning
No surprises at the end of the project.
Real after-sales service
Unlike several market players, we provide:
- Fast support
- HVAC maintenance
- Advanced diagnostics
Conclusion: a balanced, efficient, and Quebec-adapted dual-zone heat pump
The FORESTAIR MZ R454B 18,000 BTU 2-zone wall-mounted heat pump represents a reliable solution for homeowners who want to:
- Heat efficiently in winter
- Air condition two distinct zones
- Optimize their energy consumption
It combines:
- Performance
- Flexibility
- Compliance with new environmental standards
Contact AirGreen for a personalized quote
For an HVAC installation in Montreal, Laval, Longueuil, on the North Shore or the South Shore, our team supports you every step of the way.
Contact us today for:
- A free evaluation
- A recommendation adapted to your property
- Professional installation without compromise