Tonnage (room size) : Up to 120 sq ft - 1 ton | 120–180 sq ft - 1.5 ton | 180–240 sq ft - 2 ton.BEE star rating : Always choose 5. Saves up to 40% on electricity bills vs 3.Inverter compressor : Variable speed, silent operation, lower bills. Look for a 10-year warranty.Smart features : Wi-Fi control, auto-clean, convertible modes, PM 2.5 filter add value.Inverter AC Price: 1.5 ton 5 inverter AC: ₹42,000–₹58,000. Premium brands (LG, Daikin): up to ₹90,000. For more information: https://www.lg.com/in/air-conditioners/