LG

LG MULTI F MAX LGRED heat pump | 5-Heads | 42,000 BTU Compressor | Montreal, Laval, Longueuil, South Shore and North Shore

In stock
SKU: LMU420HHV-99999
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: 5 Areas
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

LG MULTI F MAX LGRED Heat Pump | 5-Heads | 42,000 BTU Compressor | Montreal, Laval, Longueuil, South Shore, and North Shore

A Wise Investment for Unmatched Comfort

Introduction to the LG MULTI F MAX LGRED Heat Pump

In a world where home comfort has become an absolute priority, the LG MULTI F MAX LGRED heat pump emerges as a revolutionary solution for residents of Montreal, Laval, Longueuil, South Shore, and North Shore. Offering exceptional cooling and heating capacity, this HVAC (Heating, Ventilation, and Air Conditioning) system is designed to transform your home into a sanctuary of peace, regardless of the whims of the weather.

Capabilities and Technical Characteristics

Equipped with a powerful 42,000 BTU compressor, this wall-mounted heat pump excels in both cooling capacity and heating capability, ensuring an ideal indoor temperature down to -25°C. Its design can cover up to 6 zones, with 5 zones optimized, thus ensuring a homogeneous distribution of air across various spaces in your home.

The exterior dimensions of the unit (37.41 x 15.75 x 54.34) and specific serial numbers (LMU420HHV for the outdoor unit, LMN079HVT, LSN090HSV5, LSN120HSV5, LMN159HVT, LSN180HSV5, and LMN249HVT for the indoor units) reflect the quality and reliability of this equipment.

Economic and Environmental Advantages

Not only is the LG MULTI F MAX LGRED heat pump a technological marvel, but it is also designed to be economically viable. Thanks to available federal and provincial subsidies (up to $5,000 and $3,480 respectively), the initial investment becomes more accessible. Although not Energy Star® certified, its energy performance is impressive with a 20.5 SEER efficiency, significantly reducing long-term energy costs.

Innovative Features for Optimal Comfort

This model stands out for its advanced features, such as:

  • Automatic operation: automatic adjustment of settings for maximum efficiency.
  • Auto restart: resumes operation after a power outage without manual intervention.
  • Defrost/Deicing: ensures efficient operation in cold weather.
  • Inverter (variable speed compressor): optimizes energy consumption and comfort.
  • Low ambient operation: effective cooling mode operation down to -14°F.
  • Self-diagnosis: facilitates maintenance and troubleshooting.
  • Soft start: minimizes electrical consumption spikes for smoother operation.

Quality Warranty and Support

AirGreen is committed to not only offering a high-quality product but also impeccable after-sales service. The LG MULTI F MAX LGRED heat pump comes with a robust warranty covering the compressor, parts, and labor (10-10-0), with the option for an extended warranty (10-10-10).

Why Choose AirGreen for Your Installation?

By choosing AirGreen, you benefit from the expertise of a certified and passionate team, dedicated to optimizing the comfort of your home with customized HVAC solutions. Our professionals are trained to install the LG MULTI F MAX LGRED heat pump with precision, ensuring its optimal operation and your total satisfaction.

Conclusion: An Enlightened Choice for Sustainable Comfort

The LG MULTI F MAX LGRED heat pump represents the pinnacle of HVAC technology, offering unparalleled comfort, significant energy savings, and unwavering reliability. AirGreen is proud to accompany you on this journey towards a better quality of life, with professional services in Montreal, Laval, Longueuil, and the South Shore and North Shore regions.