The antonyms for the word "turns heat" could be "cool down," "chills," "freeze," or "cools." These terms describe the opposite of increasing temperature or heat. Turning down the heat can be a desirable action for many reasons, including comfort, energy conservation, or preservation of materials. In contrast, if something is turning up the heat, it is raising temperatures or increasing intensity. Antonyms for this phrase could include "diminishes intensity," "reduces heat," or "lessens temperature." Understanding the nuances of language and word choice can help create accurate and effective communication.