The powerpac 21 is stylish and modern with a design that lends itself well to any modern 4 5 bedroom home featuring ebacrsquos patented smart controltrade technology the powerpac 18 can easily be described as a little giant ndash small powerful and robust smart controltrade is an intelligent system unique to ebac dehumidifiers that progressively learns about your home and daily routines a memory chip inside the dehumidifier takes recordings every half an hour to sample monitor and