Home » LG MULTI F MAX LGRED heat pump | 4-Heads | 42,000 BTU Compressor | Montreal, Laval, Longueuil, South Shore and North Shore
Thermopompe LG MULTI F MAX LGRED | 4-Têtes | Compresseur 42 000 BTU | Montréal, Laval, Longueuil, Rive Sud et Rive Nord
Thermopompe LG MULTI F MAX LGRED | 4-Têtes | Compresseur 42 000 BTU | Montréal, Laval, Longueuil, Rive Sud et Rive Nord product specifications
Thermopompe LG MULTI F MAX LGRED | 4-Têtes | Compresseur 42 000 BTU | Montréal, Laval, Longueuil, Rive Sud et Rive Nord
Thermopompe LG MULTI F MAX LGRED | 4-Têtes | Compresseur 42 000 BTU | Montréal, Laval, Longueuil, Rive Sud et Rive Nord product specifications
LG

LG MULTI F MAX LGRED heat pump | 4-Heads | 42,000 BTU Compressor | Montreal, Laval, Longueuil, South Shore and North Shore

In stock
SKU: LMU420HHV-9999
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Areas
Provincial Subsidy (LogisVert): $ (Updated: November 26, 2025)
Model Number (External): LMU420HHV
AHRI: 10443471
ENERGY STAR®: No
ENERGY STAR® (Cold Climate): Non / No
# ENERGY STAR ID:
Heating Capacity: -25 °C
Cooling Capacity: 42,000 BTU
Gas (Freon): R-410A
WiFi: Included

SEER2 (Seasonal Air Conditioning Efficiency)

1 20.5 30

HSPF2 (Seasonal heating efficiency)

1 11.0 15

EER2 (Instantaneous efficiency in air conditioning)

1 14.0 20
Nominal Power: 42,000 BTU
Power at -8°C: 49950 BTU
Power at -15°C: 45000 BTU
Interior Dimensions (L x D x H): 32.94 × 7.44 × 12.13 in ***
Vertical flap control (Air direction): Manuel / Manual ***
Horizontal flap control (Air direction): Auto ***
Sound Pressure Level (Indoor): 38 / 29 dB(A) ***(depending on the model chosen)***
Possible Model Number (Interior): LMN079HVT, LSN090HSV5, LSN120HSV5, LMN159HVT, LSN180HSV5, and LMN249HVT

CFM (Airflow) (12,000 BTU***)

1 282 700
External Dimensions (L x W x H): 37.41 x 15.75 x 54.34 in
Zones: 4 Zones (Quad Zone)
Maximum Zones: 6 Areas
Sound Pressure Level (Exterior): 57.0 dB(A)
Voltage: 220 V
MCA (Minimum Circuit Ampacity): 31 A
MOP (Maximum Overcurrent Protection): 45 A
Warranty (Compressor - Parts - Labor): 10-10-0 years
Additional Warranty: Possible

BROCHURE

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.