Aromac Using the standard nebulization process, cold air diffusion targets essential oils and fragrances, fragminitizing them to turn into fine and refreshing dry mist. The cold air diffusion allows the oils to maintain their essence integrity, while boosting the olfactive power, without using heat or any other methods that might be dangerous or useless. Aromac Diffusing machines help keep your surroundings clean, fesh, and healthy. Enjoy the essence of nature in your space.