Home » LG MULTI F MAX LGRED heat pump | 3-Heads | 42,000 BTU Compressor | Montreal, Laval, Longueuil, South Shore and North Shore
Thermopompe LG MULTI F MAX LGRED | 3-Têtes | Compresseur 42 000 BTU | Montréal, Laval, Longueuil, Rive Sud et Rive Nord
Thermopompe LG MULTI F MAX LGRED | 3-Têtes | Compresseur 42 000 BTU spécifications produit Montpellier, Laval, Longueuil, Rive Sud, Rive Nord.
Thermopompe LG MULTI F MAX LGRED | 3-Têtes | Compresseur 42 000 BTU | Montréal, Laval, Longueuil, Rive Sud et Rive Nord
Thermopompe LG MULTI F MAX LGRED | 3-Têtes | Compresseur 42 000 BTU spécifications produit Montpellier, Laval, Longueuil, Rive Sud, Rive Nord.
LG

LG MULTI F MAX LGRED heat pump | 3-Heads | 42,000 BTU Compressor | Montreal, Laval, Longueuil, South Shore and North Shore

In stock
SKU: LMU420HHV-999
(0)
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: 3 Zone (Triple 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 | 3-Heads | 42,000 BTU Compressor

At AirGreen, located in the heart of Montreal and also serving Laval, Longueuil, as well as the North and South Shores, we are proud to offer you a state-of-the-art heating and cooling solution: the LG MULTI F MAX LGRED 3-Zone Wall-Mounted Heat Pump. This innovative system is designed to provide optimal comfort in your home, thanks to its exceptional 42,000 BTU capacity and flexibility to be installed in up to six different zones.

An eco-efficient solution for your comfort

Exceptional performance and energy savings

The LG MULTI F MAX LGRED Heat Pump stands out for its remarkable energy efficiency, with a SEER of 20.5, ensuring significant savings on your energy bills. Although not Energy Star® compliant, it compensates with cutting-edge technology, including a variable speed compressor (Inverter), thus optimizing energy consumption according to the actual heating and cooling needs of your home.

Comfort tailored to every season

Thanks to its effective heating capacity down to -25°C, this system ensures your comfort even during Quebec's harsh winters. In summer, its 42,000 BTU cooling capacity keeps your home pleasantly cool, even on the hottest days.

Advanced technology for simplified management

Intelligent control and WiFi connectivity

The LG MULTI F MAX LGRED Heat Pump integrates WiFi connectivity, allowing you to control your heating and cooling system remotely via a mobile application. This feature offers unmatched flexibility and comfort of use, enabling you to adjust the temperature of your home, even when you're not there.

Innovative features for increased efficiency

  • Auto operation: The system automatically adjusts operating settings to optimize comfort and energy efficiency.
  • Auto restart operation: In the event of a power outage, the heat pump automatically restarts with the previous settings, sparing you from manual readjustments.
  • Defrost/Deicing: This feature prevents the accumulation of frost on the outdoor unit, ensuring efficient operation even in cold weather.
  • Low ambient operation: Allows efficient operation in cooling mode down to -14°F, ideal for cold climates.

Simplified installation and maintenance

Modular and flexible design

With the capability to manage up to six zones, the LG Heat Pump offers unmatched installation flexibility, perfectly adapting to your home's layout. The compact dimensions of the outdoor unit (37.41 x 15.75 x 54.34) facilitate its discreet integration outside your home.

AirGreen warranty and support

AirGreen is committed to providing exceptional customer service, with a comprehensive 10-year warranty on the compressor and parts. Furthermore, an extended warranty covering labor is available, giving you total peace of mind.

Advantageous subsidies for an economical installation

Take advantage of federal and provincial subsidies offered for the installation of eco-efficient systems in your home. With up to $5,000 in federal subsidies and $3,480 in provincial subsidies, installing your LG MULTI F MAX LGRED Heat Pump becomes even more accessible.