Air & Water offers the Soleus LX-140 14,000 BTU Portable Evaporative Air Conditioner for $439.12 with coupon code BRADSLX140, exclusively through bradsdeals.com. The list price is $699.95. It is one of the most energy-efficient air conditioners on the market, covering medium-to-large rooms up to 450 square. It features 4-in-1 technology that allows it to function as an air conditioner, heater, dehumidifier and fan. Shipping adds $48.95, and there's no sales tax (except in CA).