H I V More Condition_symptoms What Is The Proper Way To Prounounce HVAC? H-Vac As In Vacumn Or Each Letter Seperately H-V-A-C?

What is the proper way to prounounce HVAC? H-Vac as in vacumn or each letter seperately H-V-A-C? - h i v more condition_symptoms

I say "H-Vac, and in each letter or Vacumn" CVC "?