Staples offers the Frigidaire 5,000 BTU Window Air Conditioner, model no. FRA052XT7, for $140.99. Coupon code "61763" drops it to $119.84. With free shipping, that's the lowest total price we could find by $20, although we saw it for $20 less last August. It features a 2-speed fan, antibacterial filter, and adjustable thermostat. Deal ends July 30.