A Better Solution for Hospitality and Multi-Family Suites Friedrich's Vert-I-PakŪ is a quiet, energy efficient option for extended stay properties, suites, assisted living, student housing and commercial spaces. Ducted and closet-mounted, Vert-I-Pak eliminates the need for multiple through-the-wall units. The packaged Vert-I-Pak heat pump unit is installed out of sight, so guests enjoy a more attractive, more homelike appearance.