买房时，最好避开的不再是一楼和顶楼，而是被忽略的这两层？

Core Viewpoint - The article explores the evolving preferences in floor selection for residential properties, particularly the avoidance of the 6th and 13th floors, driven by both practical concerns and psychological factors [1][12]. Group 1: Traditional Floor Preferences - Traditionally, buyers avoid the first and top floors due to issues like humidity, pests, poor lighting, and privacy concerns, with developers pricing these floors 5-10% lower than mid-level floors [1][3]. - Recent data indicates that in first and second-tier cities, the purchase intention for the 6th and 13th floors is 15% lower than for other floors, with an average transaction period extended by 30 days [1][3]. Group 2: Issues with the 6th Floor - The 6th floor faces noise issues due to equipment layers typically located around the 7th floor, which can lead to significant disturbances for residents [3][4]. - Water pressure problems are prevalent in older buildings without zoned water supply systems, where the 6th floor lacks the advantages of lower floors and may not benefit from pressure-boosting systems [3][4]. Group 3: Concerns with the 13th Floor - The avoidance of the 13th floor is largely influenced by psychological factors, with 32% of respondents in a 2025 survey indicating they would consider avoiding it due to its perceived bad luck [4][12]. - Practically, the 13th floor often lacks the convenience of lower floors and the views of higher floors, making it less desirable in many high-rise buildings [4][12]. Group 4: Market Trends and Insights - Real estate professionals have noted an increasing reluctance among buyers to consider the 6th and 13th floors, with longer listing times and potential price reductions for these units [6][8]. - New construction techniques are addressing traditional issues associated with various floors, leading to a narrowing of price differences across floors to within 3% in modern projects [10][11]. Group 5: Recommendations for Buyers - Buyers are advised to assess their specific needs, such as mobility for elderly individuals or safety for families with children, when selecting a floor [7][12]. - It is crucial to investigate building facilities, including the location of equipment layers and water supply systems, to avoid future living quality issues [7][12]. - Understanding market preferences and the characteristics of the property is essential for making informed decisions regarding floor selection [12].