海尔空调两项技术纽伦堡摘金夺银，实现24小时恒温制热

Core Insights - Haier Air Conditioning's variable diversion technology won the gold medal at the 77th Nuremberg International Inventors' Exhibition, showcasing China's technological innovation in the HVAC sector [1][3] - The variable diversion and frequency conversion technologies have previously won gold at the Geneva International Exhibition, highlighting their high value and effectiveness [3] Group 1: Variable Diversion Technology - The variable diversion technology enhances heating duration, extending the heating time from 1.25 hours to over 25.35 hours in low-temperature environments, ensuring stable indoor temperatures even during cold waves [3] - The technology improves heating performance by 10% through intelligent adjustment of internal circulation paths based on heating demand [3] - The overall energy savings achieved by this technology reach 12%, with users saving over 400 kWh annually compared to entry-level air conditioners [3] Group 2: Frequency Conversion Technology - Haier's frequency conversion technology won the silver medal, featuring four original innovations that enhance energy efficiency and comfort across various scenarios [5] - The KTS millisecond-level high-frequency startup technology allows air conditioners to cool in 15 seconds and heat in 30 seconds, addressing the slow startup issue of traditional units [5] - The low-frequency operation technology enables air conditioners to run at ultra-low frequencies, achieving daily energy consumption as low as 2 kWh for wall-mounted units and 1.5 kWh for central air conditioning systems [5][6] - The PKC pulsation suppression technology ensures stable operation at high temperatures, maintaining 110% cooling capacity at 53°C and stable performance even at extreme temperatures of 70°C [6] - The high-speed stable flow technology raises the operating frequency to 160Hz, increasing heating capacity by 15.6% in ultra-low temperature environments, addressing heating challenges in cold regions [6]