买房时，为何售楼小姐都热衷于推荐7、8楼？内行人终于说出了原因！

Core Insights - The article discusses the reasons why real estate agents prefer to recommend the seventh and eighth floors of residential buildings, highlighting their advantages in terms of comfort, safety, and investment potential [6][17]. Group 1: Comfort and Living Quality - The seventh and eighth floors provide excellent lighting and ventilation, approximately 20 meters above ground, ensuring a bright and airy living environment [9]. - These floors offer expansive views, allowing residents to enjoy cityscapes and natural beauty, which can enhance overall life quality [10]. - Noise pollution is significantly reduced at these heights, creating a quieter living space, ideal for those sensitive to noise [12]. Group 2: Air Quality and Safety - Air quality is generally better on the seventh and eighth floors due to improved ventilation, which reduces dust and pollutants [13]. - These floors have higher security features, making it more difficult for intruders to access, thus enhancing safety for residents [14]. - In terms of disaster resilience, these floors exhibit better earthquake performance, balancing safety and comfort [14]. Group 3: Convenience and Investment Potential - Living on the seventh or eighth floor offers convenient access without long waits for elevators, and easier evacuation during emergencies [15]. - These floors strike a balance between avoiding the dampness of lower floors and the discomfort of higher ones, leading to a higher living comfort [16]. - From an investment perspective, properties on these floors tend to have higher rental and resale returns due to strong demand, making them a sound investment choice [17][18].