for those of you that have an electric heat pump i have a question. i live in pa and yes i know electric heat pumps are not good for the winters here. question though it seems that it pumps out heat, then it pumps out warmish to colder air after or before the decent heat, ends or begins. is this the norm? unsure why it just doesnt stop after it pumps out the hot air, why does it continue to push out air?