Ducted and closet-mounted, the Friedrich Vert-I-Pak eliminates the need for multiple through-the-wall units. The Vert-I-Pak unit is installed out of sight, so guests enjoy a more attractive and homelike appearance. A quiet, energy efficient option for suites, extended stay properties, assisted living, a student housing, the Vert-I-Pak heat pump is available in capacities ranging from 9,300 to 22,500 Btu.