Gentlemen and ladies,
It appears that, after a period of absence, the ASHRAE terminology website
(AKA Lexicon) has returned and is available at the following location:
https://xp20.ashrae.org/terminology/
Please enjoy its sumptuous exposition of the language of HVAC!
Kind regards
Chris
'We have really everything in common with America nowadays except, of
course, language' - Oscar Wilde, The Canterville Ghost