Air conditioning 101: An area expert on how it works and how to make your AC more efficient

Air conditioning 101: An area expert on how it works and how to make your AC more efficient

Air conditioning can feel like magic on a hot day, and to the uninitiated the cooling process might sound like magic, too. That’s because you are not adding cold to the air, you are removing heat. “How an air conditioner works is extracting the heat inside the house and taking it outside,” said Carlo De Jesus, an HVAC lab manager and instructor at Northern Virginia Community College in Woodbridge. The system is a loop, De Jesus told WTOP. A liqu…