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LG MEGA Multi-Zone System
Model Number: LMU540HHV
Heavy-duty multi-zone supporting up to 8 indoor units.
Technical Specifications
22
SEER2
11
HSPF2
13.8
EER2
9.5
Cold Climate HSPF2
Noise Levels
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.
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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!

