{ "item_title" : "Top HVAC Mistakes in Real Projects", "item_author" : [" Charles Nehme "], "item_description" : "Heating, Ventilation, and Air Conditioning (HVAC) systems represent one of the most critical components of modern buildings. They account for approximately 40% of a building's energy consumption and directly impact occupant comfort, health, and productivity. Despite their importance, HVAC systems are frequently plagued by preventable mistakes that result in reduced efficiency, premature equipment failure, increased energy costs, and compromised indoor air quality.This comprehensive guide examines the most common and costly HVAC mistakes encountered in real-world projects, drawing from decades of industry experience, field observations, and post-occupancy evaluations. Each chapter addresses a specific category of errors, providing detailed explanations of what goes wrong, why it happens, and how to prevent it.The mistakes documented here are not theoretical problems-they are real issues that occur daily on construction sites, in mechanical rooms, and in occupied buildings across the globe. Understanding these common pitfalls is essential for engineers, contractors, facility managers, and building owners who seek to deliver HVAC systems that perform as designed throughout their operational lifespan.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/9/79/825/749/9798257495175_b.jpg", "price_data" : { "retail_price" : "39.99", "online_price" : "39.99", "our_price" : "39.99", "club_price" : "39.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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