Core Viewpoint - The choice of floor in real estate is crucial, with various factors influencing the decision beyond mere superstition regarding odd and even numbers [3][5]. Group 1: Floor Selection Considerations - Top floors are often avoided due to concerns about heat insulation and waterproofing, which can lead to discomfort and difficulties in resale [3]. - Low floors face issues such as insufficient lighting, poor ventilation, and increased pest presence, particularly during humid seasons [3]. - The "equipment floor" has gained attention, as it can generate noise and radiation, affecting the living experience [5]. Group 2: Superstitions and Practicality - The saying "buy odd, not even" is rooted in feng shui beliefs, suggesting that odd-numbered floors are more auspicious, although this lacks scientific backing [5]. - Most buyers prioritize practical factors like lighting, noise, and ventilation over superstitions when selecting a floor [5][8]. Group 3: Lighting and Comfort - Adequate lighting is essential for comfort, with national standards for building design, yet many floors fail to meet these requirements [6]. - Observing lighting conditions during the day, especially in winter, is recommended for potential buyers [6]. - For new properties, design specifications such as width and depth can indicate potential lighting quality, with taller buildings generally requiring higher floors for better light [6].

Core Insights - The article emphasizes the importance of selecting the right floor and building when purchasing a home, highlighting various factors that influence this decision [1] Group 1: Floor Selection Considerations - Buyers generally avoid top and low floors due to concerns about heat insulation, water leakage, and poor lighting [1] - Low floors may lack sufficient sunlight and ventilation, leading to issues like humidity and pest infestations [1] - Equipment floors, often located on the top or between the 10th to 20th floors, can introduce noise and radiation pollution, making them undesirable [3] Group 2: Cultural Beliefs and Practical Factors - There is a cultural belief among some buyers to prefer odd-numbered floors (1st, 3rd, 5th) over even-numbered ones (2nd, 4th, 6th) based on traditional feng shui principles [3] - The article notes that while these beliefs may influence some buyers, practical factors such as sunlight exposure should take precedence [3][4] Group 3: Sunlight and Health - Adequate sunlight is crucial for physical and mental health, and buyers are advised to assess sunlight exposure during the day [4] - Key recommendations for evaluating sunlight include checking conditions in winter, observing afternoon light, and ensuring the unit is in its raw state to assess natural light [4][5][6] - A reasonable distance between buildings is also essential, with a recommended distance greater than 1.2 times the height of the building to ensure proper lighting [7] Group 4: Ideal Floor Recommendations - For optimal sunlight exposure, it is suggested that tower buildings should ideally be above the 6th floor, while slab buildings should be above the 3rd floor [9] - Overall, the article concludes that selecting a floor with ample sunlight is vital for a healthy and comfortable living experience [10]