Antonyms for the phrase "heaps up on" include words like distributes, disperses, spreads out, scatters, separates, ventilates, and divides. The phrase "heaps up on" is often used to describe a situation where objects or materials are piled on top of each other, resulting in a dense and cluttered area. Antonyms for this phrase would suggest the opposite approach, emphasizing the need to spread out or separate materials for better organization and accessibility. Some situations where antonyms for "heaps up on" would be appropriate include organizing a storage space, arranging items in a store display, or preparing materials for a project.