Hot symbolizes healing if it refers to a sunny day, the heat of the sun or a hot country in a positive way.
Hot or heat is also indicative of your heart and feelings. For example, if the dream is saying there is no heat from the fire you are being asked to add warmth / passion to your heart with regard to the subject matter of the dream.
Hot or heat can also be about negative emotions from others. To feel heat from someone would indicate they are angry at you. To direct heat at yourself indicates you are frustrated over something.
