Core Viewpoint - The article discusses the importance of carefully selecting a suitable home, highlighting the pros and cons of choosing between corner (边户) and middle (中户) units, and emphasizes the need for thorough consideration beyond just price and layout [1][28]. Group 1: Advantages of Corner Units - Corner units offer excellent lighting, allowing sunlight to flood in from multiple sides throughout the day [6]. - They provide superior ventilation, enabling good airflow with minimal effort [9]. - Noise impact is reduced due to less interaction with neighbors and distance from elevators, making them suitable for those with sleep issues [11]. - Residents enjoy expansive views and a pleasant atmosphere, contributing to overall well-being [13]. Group 2: Disadvantages of Corner Units - Corner units are prone to water leakage due to exposure to the elements, leading to persistent dampness and mold issues [15][17]. - They have poor insulation, resulting in colder indoor temperatures during winter and discomfort in summer [19][21]. - Prolonged exposure to sunlight can cause furniture to fade, particularly affecting wooden items [24]. Group 3: Considerations for Homebuyers - Homebuyers should maintain a cautious approach and not rush into purchasing properties solely based on favorable pricing [28]. - It is crucial to consider practical living needs during the renovation phase to mitigate potential shortcomings of the chosen property [28].

Core Insights - The article highlights the significant drawbacks of owning corner units in residential buildings, particularly regarding energy efficiency, temperature control, and maintenance costs [3][4][5][6][8] Energy Efficiency and Temperature Control - Corner units experience higher energy consumption for cooling and heating, with summer air conditioning costs being 40%-60% higher than middle units in the Yangtze River Delta region [3] - In winter, corner units have an average room temperature 2-3°C lower than middle units, yet heating costs can be 20% higher [3][8] - In Zhengzhou, corner units can reach temperatures of 35°C in summer, necessitating continuous air conditioning [3] Maintenance Issues - Water leakage is a prevalent issue, with a 17% leakage rate in corner units over five years compared to 3.2% in middle units [4] - Homeowners often incur significant costs for repairs, such as waterproofing and insulation, with one case reporting expenses exceeding 50,000 yuan [4] Noise Pollution - Corner units face higher noise levels, averaging 6-8 decibels more than middle units, with some locations experiencing increases of over 15 decibels [5] - Low-frequency noise from equipment rooms can severely disrupt sleep quality for residents in corner units [6] Furniture and Aesthetic Damage - Prolonged exposure to sunlight can damage furniture, with reports of wooden furniture cracking and fading, leading to increased replacement costs [7] - Homeowners may spend additional money on protective measures like heat-reflective films for windows [6][8] Economic Burden - Corner units typically cost 5%-15% more than middle units, leading to an additional 150,000 yuan for a 100 square meter property [8] - Over ten years, energy costs for corner units can exceed 70,000 yuan compared to middle units [8] - The resale market for corner units is less favorable, with longer turnover times and potential price discounts due to the associated issues [8] Conclusion - While corner units offer advantages like better lighting and views, the hidden costs and discomfort may outweigh these benefits, suggesting that middle units may provide a more stable and cost-effective living experience [8]