LG MULTI F MAX LGRED heat pump | 4-Heads | 42,000 BTU Compressor | Montreal, Laval, Longueuil, South Shore and North Shore
The LG Multi F Max LGRED 42 000 multi-zone heat pump heats and cools 4 rooms with a single outdoor unit. it delivers 49,950 BTU/h at −8 °C, heats down to −25 °C. Installed by AirGreen in Montréal, Laval, Longueuil, the North Shore and the South Shore.
4 rooms, one outdoor unit, and the most powerful in its class at −8 °C.
Compared with the 86 multi-zone systems of 42,000 BTU we sell. Figures come from the manufacturer’s data and the AHRI certification.
The parts that make a multi-zone system.
Tap a part to learn more.
Outdoor unit
One compressor for the whole house. It supplies up to 6 heads.
Base pan heater
A heater keeps the outdoor unit’s base pan free of ice below 1 °C and during defrost (NEEP).
Refrigerant lines
One pair of lines per head.
Indoor heads
One head per room, each with its own remote and temperature. The combination is chosen in the “Zones” menu.
Control
Each zone is set separately, also from your phone.
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 107 % of its rated capacity.
Tap a temperature: capacity, efficiency and the cost of one hour of heating.
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.
Where it ranks among same-size multi-zone systems.
Compared with the 86 multi-zone systems of 42,000 BTU we sell. 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.
Every number, and where it comes from.
Each line carries its source; a line with no published value is not shown.
The manufacturer’s documentation, as PDF.
Everything we have written about this system.
LG MULTI F MAX LGRED Heat Pump | 4-Heads | 42,000 BTU Compressor | Montreal, Laval, Longueuil, South Shore, and North Shore
A Smart Investment for Optimal Comfort
In today's world, where home comfort has become an utmost priority, the search for efficient and cost-effective solutions to regulate the temperature of our living spaces is at the forefront of concerns. It's within this context that the Wall-Mounted 4-Zone LG MULTI F MAX LGRED Heat Pump emerges as a cutting-edge solution, designed to meet the most stringent requirements for residential heating and cooling.
Impressive Technical Features
At the heart of this heat pump lies a 42,000 BTU compressor, capable of providing efficient cooling and heating in extreme conditions, down to -25°C. Its ability to handle up to 6 zones with 4 base zones (Quad Zone) allows for unparalleled flexibility and customization of comfort in every room of your home.
The external dimensions of the unit (37.41 x 15.75 x 54.34) ensure a discreet and aesthetic integration on the outside of your house, while the various serial numbers of the internal units (LMN079HVT, LSN090HSV5, LSN120HSV5, LMN159HVT, LSN180HSV5, and LMN249HVT) demonstrate the system's modularity and compatibility with various living spaces.
Financial and Environmental Benefits
Homeowners will benefit from significant federal and provincial subsidies, up to $5,000 and $3,480 respectively, making this investment even more attractive. Despite the lack of Energy Star® certification, the LG MULTI F MAX LGRED heat pump distinguishes itself with its high efficiency of 20.5 SEER, promising significant savings on energy bills in the long term.
Technology and Comfort
This model incorporates cutting-edge features such as:
- Auto operation and Auto restart operation for maximum ease of use.
- Defrost/Deicing for optimal performance in cold climates.
- Inverter for precise temperature regulation and reduced energy consumption.
- Low ambient operation down to -10°F in cooling mode, ideal for variable climates.
- Self-diagnosis and Soft start, ensuring increased durability and reliability.
Moreover, the included WiFi offers modern convenience, allowing users to control their heating and cooling system remotely, while the external sound pressure level of 57.0 dB(A) ensures quiet operation.
Commitment to Quality and Satisfaction
AirGreen, as a recognized provider of HVAC solutions in Montreal, Laval, Longueuil, as well as the South Shore and North Shore, is committed to offering high-quality products accompanied by exceptional customer service. The 10-year warranty on the compressor and parts, with an option for an additional warranty (10-10-10), reflects our confidence in the durability and performance of the LG MULTI F MAX LGRED heat pump.
Conclusion:
The Wall-Mounted 4-Zone LG MULTI F MAX LGRED Heat Pump is a highly efficient, economical, and flexible heating and cooling solution, ideal for modern homes seeking tailored comfort. With its advanced features, financial and environmental benefits, and unmatched support from AirGreen, this system positions itself as the preferred choice for residents of Montreal and surrounding areas.
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: 49,950 BTU/h at −8 °C, 45,000 at −15 °C.
How many heads can I connect?
Up to 6 on this outdoor unit. This product is configured for 4 heads.
Can I mix head sizes?
Yes. The “Zones” menu offers 8 combinations, from 9+9+9+9 to 12+12+12+12 (in thousands of BTU). Each head is sized for its room.
Down to what temperature does it heat?
Down to −25 °C.
Is it noisy?
Indoors, the reference head goes down to 29 dB(A). Outdoors, 57 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 10 years on the compressor and 10 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.