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    LG MEGA Multi-Zone System

    Model Number: LMU540HHV

    Heavy-duty multi-zone supporting up to 8 indoor units.

    22 SEER2
    11 HSPF2
    Ducted Heat Pump
    4.5 Ton
    SEER2 (Cooling)22
    HSPF2 (Heating)11

    Technical Specifications

    22

    SEER2

    11

    HSPF2

    13.8

    EER2

    9.5

    Cold Climate HSPF2

    Cooling Capacity24k - 54k BTU
    Heating Capacity24k - 60k BTU
    Min Operating Temp-13°F
    Capacity at 5°F82%

    Noise Levels

    Indoor: 20 dB
    Outdoor: 55 dB
    Wi-Fi Enabled
    Smart Home Ready
    Installed Price$8,500 - $13,000
    IRA Tax Credit-$2,000
    Warranty10 years

    Key Features

    Up to 8 zones

    DUAL Inverter

    ThinQ smart control

    -13°F cold climate

    Heavy-duty compressor

    Pros & Cons

    Pros

    • Maximum zone capacity
    • Powerful heating
    • Smart home ready
    • IRA eligible

    Cons

    • Complex installation
    • Premium pricing
    • Large outdoor unit

    Best for

    Large homes, whole-home ductless, maximum zone count

    Warranty snapshot

    Compressor: 10 years

    Parts: 5 years

    Register equipment with the manufacturer after installation to preserve coverage. We handle registration on Homets installs.

    Expert Review

    The Mega Multi-Zone system connects multiple indoor units to a single outdoor unit, providing zoned comfort control for large homes. LG's smart ThinQ platform enables comprehensive monitoring.

    Technical Performance: Supporting up to 8 zones with individual temperature control, this system handles complex comfort requirements. High efficiency qualifies for all available incentives.

    Nassau County Installation: We install these in larger homes requiring multi-zone solutions. The system's flexibility accommodates various indoor unit styles.

    Our Verdict: LG's answer to Mitsubishi multi-zone systems—competitive performance with excellent smart home integration.

    Compare Alternatives

    Similar Models to Compare

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    IRA
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    SEER2
    21
    HSPF2
    10.5

    $3,500 - $5,200

    View Details

    Quick Comparison

    Specification
    Lg Logo
    MEGA Multi
    Current
    Mitsubishi Electric Logo
    MXZ-8C48NA
    Alternative
    SEER2 Efficiency
    22
    22
    HSPF2 Efficiency
    11
    12.5
    Price (Min)
    $8,500
    $8,500
    Outdoor Noise (dB)
    55
    52
    Compressor Warranty
    10 years
    12 years
    IRA Tax Credit
    Yes
    Yes
    Cold Climate Rated
    Yes
    Yes

    Frequently Asked Questions

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    Ready to Install the MEGA Multi?

    Get a free, no-obligation quote for professional installation by NATE-certified technicians serving Nassau County. Don't forget—you may qualify for a $2,000 federal tax credit!

    Get Your Free QuoteCall (516) 345-3911