質問: 教えて下さい アメリカの学校かなんかの建物の話の時「エイチバックシステム」と聞こえた言葉がありました。なんのことか分かる人教えてください。
回答: これ? everything you need to know about hvac systems hvac stands for heating, ventilating, and air conditioning, and hvac systems are, effectively, everything from your air conditioner at home to the large systems used in industrial complexes and apartment blocks. a good hvac system aims to provide thermal control and indoor comfort, and one that is designed using the principles of thermodynamics, fluid mechanics, and heat transfer. http://twentyonecelsius.com.au/blog/everything-you-need-to-know-about-hvac-systems/