Amazon Prime Day 2025 is an extended four-day event this year, lasting from July 8 to July 11. Portable air conditioners are flexible, easy to install, and can be more cost-effective than updating your whole-home system.

Learn moreThe heat is here, but so is Amazon Prime Day. Today's air conditioner deals will help you get relief from the heat fast and under budget. This year, the deals will span four days, but we're already seeing big discounts on our top picks for the best air conditioners and best portable air conditioners.

We've rounded up the best Prime Day air conditioner deals on our favorite portable and window units. Shop these models now before the sale ends tomorrow.