you don't need the heater on
you do need the heat on
pro:per mod v det:art n prep
you don't need the heater on.
j uː WORD_BOUNDARY d əʊ n tʰ WORD_BOUNDARY n iː d WORD_BOUNDARY ð ə WORD_BOUNDARY h iː tʰ ə ɹ WORD_BOUNDARY ɒ n WORD_BOUNDARY
y o u WORD_BOUNDARY d o n ' t WORD_BOUNDARY n e e d WORD_BOUNDARY t h e WORD_BOUNDARY h e a t e r WORD_BOUNDARY o n . WORD_BOUNDARY