BJ's Wholesale Club offers its members the NewAir 14,000-BTU Portable Air Conditioner, model no. AC-14100E, for $379.99 with free shipping. (Non-members pay an extra $19 surcharge.) That's the lowest total price we could find by $111. It features a self-evaporative system, 3-speed fan, programmable 24-hour timer, LCD display panel, built-in removable carbon air filter, and a 6-foot cord. It dehumidifies approximately 525 square feet.