By CostcoFan | Updated June 2026 Item #1491242 | De’Longhi Pinguino PAC EL375HGRKC | 4-in-1: Air Conditioner, Heater, Dehumidifier, Fan | 7,200 BTU | Cools up to 500 sq ft | $369.99 (sale) / $469.99 (regular) — Costco-exclusive model, discontinued The De’Longhi Pinguino portable air conditioner was one of Costco’s most popular seasonal electronics items. … Read more