The 1.5HP Inverter Split Air Conditioner (often listed as LG SPL 1.5HP INV or Hisense LVS) is a high-efficiency wall-mounted unit designed for rapid cooling, energy savings, and low-noise operation. It typically features copper condensers for durability, R410 or R32 eco-friendly refrigerant, and advanced features like auto-restart, sleep modes, and self-cleaning.
Key Features and Description:
- Cooling Capacity: 1.5 Horse Power (1.5HP), suitable for bedrooms, living rooms, and small offices.
- Inverter Technology: Uses a Dual Inverter Compressor (LG) or Intelligent Inverter (Hisense) that adjusts speeds to maintain desired temperatures without constantly turning off, saving significant energy.
- Rapid Cooling & Quiet Performance: Designed for faster cooling (up to 40-60% faster) and quieter operation compared to conventional AC units.
- Durable Build: Features copper condenser coils for better heat transfer and enhanced durability, often with anti-corrosion Gold Fin technology.
- Refrigerant: Typically uses eco-friendly R410A or R32 refrigerant.
- Additional Functionalities: Includes, but is not limited to, a 12-hour or 24-hour on/off timer, sleep mode, LED display, and self-cleaning functions.
- Warranty: Often comes with a long-term warranty on the compressor (e.g., 10 years for LG inverter compressors).
Common Models:
- LG: DUALCOOL Inverter AC (S4-Q12JA3QJ / SPL 1.5HP INV).
- Hisense: LVS Series Split Inverter AC.
These units are highly sought after for their ability to run efficiently even with low voltage, making them suitable for areas with unstable power, particularly when paired with a reliable inverter power source.
Net Weight
The weight is split between the lightweight indoor blower and the heavy outdoor compressor.
- Indoor Unit: 8.0 kg – 9.5 kg.
- Outdoor Unit: 20.5 kg – 26.0 kg.
- Total System Weight: Approximately 30 – 35 kg for the combined units.
LG +5
📍 Brand-Specific Specs
- LG Dual Inverter (GEN Mode): Most models (like the S4-Q12JA25B) use an indoor size of 837 x 308 x 189 mm and weigh about 8.5 kg (indoor) / 23 kg (outdoor).
- Hisense Inverter (DK Series): Some models are slightly more compact indoors at 798 x 256 x 191 mm.
- TCL Inverter: Indoor units are often around 850 x 320 x 275 mm (packed size) with a net weight of 11 kg for the indoor unit.
LG +3
💡 Pro Tip: When installing, ensure a 6-inch clearance from the ceiling and 4-inch clearance from side walls for optimal airflow and easier maintenance.

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