“On LG's website, LW1522IVSM is listed as having a Variable Speed Rotary, while the LW1224IVSM is listed as having a Dual Inverter. Can you verify if this unit is the LW1522IVSM or the LW1224IVSM and if this really has the Dual Inverter?”
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Hello there. We understand your inquiry regarding the LW1522IVSM and LW1224IVSM models and the compressor technology listed for each. Below is information based on official LG resources to help you verify which model you have and clarify the inverter technology used. 1. Compressor Technology by Model LW1522IVSM (14,000 BTU): Official LG specifications list this model as having a “Variable Speed Rotary” compressor paired with inverter technology. This means the compressor motor speed adjusts continuously to maintain the set temperature more efficiently than a fixed-speed compressor. Although this inverter setup provides energy savings and quieter operation, LG’s terminology for this 14,000 BTU unit refers to “Variable Speed Rotary.” LW1224IVSM (12,000 BTU): Official LG information describes this as featuring an inverter compressor as well, often marketed as “Dual Inverter” in many retail listings and LG materials for the 12,000 BTU unit. The dual inverter design uses paired rotary compressors to deliver faster cooling, wider operation range, and improved efficiency compared to non-inverter units. 2. How to Verify Which Model You Have Check the Model Number Label: On the side or inside panel of the air conditioner (often visible when you slide the unit partially out of the window), there is a label showing the exact model number (e.g., “LW1522IVSM” or “LW1224IVSM”). This is the most definitive way to confirm which unit is installed. Refer to the Original Packaging or Documentation: If you have the box or user manual, the model number and a brief spec summary (including BTU rating and compressor type) will be indicated. LG ThinQ App or Serial Check: For smart-enabled LW1522IVSM, connecting the unit to the LG ThinQ app during setup can confirm the model in-app. Retail Receipt or Order Confirmation: If purchased recently, the invoice or online order details should list the exact model number. 3. Interpreting “Variable Speed Rotary” vs. “Dual Inverter” Both terms refer to inverter-based technologies, which adjust compressor speed rather than cycling fully on/off. Variable Speed Rotary (14,000 BTU) emphasizes a single rotary compressor whose speed varies across a broad range. Dual Inverter (12,000 BTU) typically refers to two paired rotary compressors working together under inverter control, improving efficiency and reducing noise further. In practice, if your LG listing or unit label specifically names “Variable Speed Rotary,” that aligns with the 14,000 BTU LW1522IVSM. If references focus on “Dual Inverter” at 12,000 BTU capacity, that matches LW1224IVSM. 4. Confirming Dual Inverter on Your Unit If you have the 12,000 BTU model (LW1224IVSM), LG’s materials and many retailer descriptions confirm “Dual Inverter” technology, delivering up to ~35% more energy savings compared to baseline requirements and quieter operation. If you have the 14,000 BTU model and find references to inverter benefits, note that LG labels it as “Variable Speed Rotary” compressor with inverter control. Some third-party sites may market both models under “dual inverter” terminology broadly because both use inverter technology, but the official LG spec sheet for LW1522IVSM specifies “Variable Speed Rotary.” For absolute certainty, reference the label on the unit or the official LG spec sheet downloaded from LG’s support site. 5. Next Steps if You Need Further Help If you’re still unsure after checking the model label or documentation or if you need assistance identifying features on your installed unit: please send us a private message on Social Media @LGUSSupport. https://www.bestbuy.com/site/lg-14000-btu-smart-window-air-conditioner-700-sq-ft-white/6540524.p?skuId=6540524 Our team can guide you step-by-step to locate the label, interpret the spec sheet, or answer any additional questions about performance, energy savings, or setup. We appreciate your patience as we help ensure you have the correct information for your LG air conditioner. —Renzo
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