Amazon Prime Day 2025 is an extended four-day event this year, lasting from July 8 to July 11. We like the Whynter Portable Air Conditioner for its dual-hose design, dehumidifier, fan, and cooling capabilities. Update July 11, 2025: There hasn't been much fluctuation in Prime Day air conditioner discounts since we published at the beginning of the week on July 8. Best Deal on a Portable A/C Whynter 14,000-BTU Dual-Hose Portable Air Conditioner $599 at AmazonWe’ve tested our fair share of single-hose portable air conditioners, and we like this model because it has separate hoses for intake and exhaust. More Prime Day DealsBest Prime Day Deals 2025 | Prime Day Outdoor Deals | Prime Day Tool Deals | Prime Day Generator Deals | Prime Day Grill Deals | Prime Day Outdoor Gear Deals | Prime Day Apple Deals | Lego Prime Day Deals | Nintendo Switch Accessories Prime Day Deals | Prime Day TV Deals | DeWalt Prime Day Deals | Prime Day Patio Furniture Deals | Yeti Prime Day Deals | Prime Day Robot Vacuum Deals | Prime Day Radar Detector Deals | Prime Day Air Conditioner Deals | Prime Day Drone Deals | Prime Day Pocket Knife Deals | Prime Day Electric Scooter Deals