What is another word for plenum chamber?
Pronunciation: [plˈɛnəm t͡ʃˈe͡ɪmbə] (IPA) 
A plenum chamber, also known as a plenum box or airbox, is a space where air is collected and distributed through a ventilation system. Some synonyms for plenum chamber include air chamber, air duct, air handler, and air plenum. Other terms that might be used interchangeably include HVAC plenum or return plenum. The term plenum is often used in reference to heating and air conditioning systems, where the plenum acts as a distribution point for cool or warm air. Whether you are an HVAC technician or just curious about the terminology used in the industry, understanding these synonyms can help you better communicate with others in the field.
