Group 1 - The core viewpoint of the articles highlights a significant surge in air conditioning demand in Northeast China due to unprecedented high temperatures exceeding 30°C since June, with first-time installations accounting for 70% of the new demand [1] - The local climate and lifestyle in Northeast China contribute to a strong preference for rapid cooling capabilities in air conditioning units, as residents are accustomed to cooler summers and have lower heating needs due to centralized heating systems [1] - Haier air conditioning has been frequently mentioned in discussions on social media, with users praising its quick cooling feature, particularly the "15-second quick cooling" function, which has received positive feedback from customers [1] Group 2 - In July, Haier air conditioning sales in the three northeastern provinces continued to rise significantly, with retail sales in Jilin increasing by 355%, Heilongjiang by 333%, and Liaoning by 518% year-on-year [3] - According to data from Aowei Cloud Network, Haier's cumulative online sales in 2025 have increased by 74.1% as of week 26 [3]