i think it cause headachs,i think dats iy im wierd huh? It depends on what system you have... If it is R-12 or 134A... 134A is not harmfull. has no side effects and will not make you wierd. most...
water evaporating when water heats it gets to its highest boiling point which is a 100 degrees, then slowly starts rising in the air which is called evaporating, this is when steam is formed.