LG 18K BTU Cooling 20.5 SEER2 One Zone Ceiling Cassette Mini Split Package with Inverter Technology and Gold Fin Protection
This is a single-zone mini-split heat pump system from LG with a ceiling cassette-style indoor unit. That means the indoor component is recessed into the ceiling, with a grille visible, and distributes air in four directions (4-way) for more even coverage. It uses modern refrigerant (R-32) and includes features like inverter compressor, Gold Fin protection, etc.eComfort+2SupplyHouse.com+2
Key Specs & Features
Here are the important numbers and attributes:
| Spec | Detail |
|---|---|
| Rated Cooling Capacity | 18,000 BTU/h (≈ ~1.5 tons)eComfort+1 |
| SEER2 (Cooling Efficiency) | 20.5 — fairly high efficiency for coolingSupplyHouse.com+1 |
| Heating Capacity | About 20,000-20,800 BTU/h for heating modeSupplyHouse.com+1 |
| Refrigerant Type | R-32 — lower global warming potential, more modern.eComfort+1 |
| Indoor Unit Flow | Max / Min airflow about 459 / 388 CFM (for the indoor unit)SupplyHouse.com |
| Gold Fin Protection | The outdoor heat exchanger is coated for corrosion resistance.eComfort |
| Condensate Pump | Has internal condensate pump with ~27.5 inches of lift.eComfort |
| Quiet & Advanced Controls | Includes inverter technology (variable speed compressor/fans), leak detection, timer, sleep modes, dehumidification, etc.eComfort+1 |
Advantages
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Good efficiency: SEER2 20.5 is above average, meaning lower electricity usage for cooling.
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Even air distribution: Ceiling cassette style pushes air in 4 directions, so less of “cold air blowing from one wall” feel.
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Modern refrigerant (R-32) and protections (Gold Fin) add durability and reduced environmental impact.
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Inverter technology makes operation smoother, more precise, and quieter.
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Useful features like condensate pump, dehumidify mode, leak detection, sleep/timer help with comfort, safety, and maintenance.
Things to Watch Out For / Potential Cons
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Higher install cost: Ceiling cassette units require more labor vs simple wall-mount mini-splits: framing, ceiling access, mounting, drainage line etc.
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Ceiling space required: Need enough ceiling cavity to recess indoor unit, plus clearance for ducting/plumbing.
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Reduced performance in extreme cold: Although heating is good to a point, like all heat pumps performance drops off at very low outdoor temps. Backup heating may be needed.
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Noise from grille / airflow: While components are quiet, the grille and the airflow across 4 vents may produce more perceptible air motion noise than a single wall unit.
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Maintenance: Filters, drainage, outdoor coil (with Gold Fin) still need upkeep; access might be more difficult overhead than wall-units.
Where It’s a Good Fit
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For medium to large rooms (or spaces with open ceilings) where wall space is limited or you want a discreet, ceiling installation.
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In climates with both heating & cooling seasons, but not extremely cold winters (or you have backup).
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If you want higher efficiency and modern design (good insulation, modern build).
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When aesthetics matter (minimal visible hardware, less visual intrusion).
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