Group 1 - The core idea of the article emphasizes the importance of not only cleaning visible areas during seasonal cleaning but also addressing the invisible threats in the air, such as mold, formaldehyde, PM2.5, and pet hair, which can pose health risks [2][4] - Haier's new air-cleaning air conditioner utilizes innovative technology to "wash" the air, creating a 19-layer water curtain that effectively removes dust, mites, hair, formaldehyde, odors, and viruses while releasing a high concentration of negative ions for fresher indoor air [4][5] - The new Haier air conditioner is designed to be energy-efficient, with an APF value of 6.10, allowing it to consume only 2 kWh of electricity per day, translating to approximately 1 yuan in daily electricity costs, making it economical for daily use [5][7] Group 2 - Haier is launching promotional offers for its new air conditioner during the 618 shopping festival, including an 80% national subsidy, additional discounts, and a chance to win free products during live broadcasts, making it an attractive option for consumers [7] - The article highlights that consumers are seeking not only clean air but also an enjoyable mood and high-quality living, positioning Haier's air conditioner as a necessary product for enhancing home comfort and health [7]