Inverter Option Available LG's Dual Inverter Smart AC variant at ~23,500 BTU (model LW2423HR) offers higher energy efficiency and quieter operation
User Feedback on Heating Performance According to a Reddit thread, the heating feature in combo units like these "is better than nothing, but any dedicated heater will be more efficient and powerful. Keep in mind that these units use heat strips, which tend to be less efficient than other heating systems.
Expert Reviews A 2025 overview from The Strategist highlights the LG LW2423HR (23,500 BTU Dual Inverter) as a top pick for large rooms among window ACs, citing its quiet operation and energy efficiency. Although it’s not in the product carousel above, it’s worth considering. Another 2025 smart AC buying guide also recommends LG Dual Inverter models for powerful cooling in large spaces, despite their weight.
