Patent ID: 7735502

Claim:
A portable shelter, comprising: a. a base frame; b. means for attaching said base frame to the ground; c. at least two vertically aligned frame members spaced apart and aligned transversely over said base frame, each said frame member including two opposite straight sections, two curved eave sections and a central peak section; d. means for selectively attaching the opposite ends of said frame member in a perpendicularly aligned position to said base frame; e. at least one purlin extending between adjacent said frame member to hold them apart; f. an end cover disposed over each said end frame member, at least one said end cover including at least one attic air vent, and at least one said end cover including a door opening enabling entry into said shelter; g. a main cover disposed over said frame members when connected to said base frame to create an enclosed structure; h. an inner liner located inside said shelter, said inner liner being sufficiently wide and long to form an enclosed wall space formed between said frame members and extend transversely inside said shelter to form a raised ceiling inside said shelter that creates a lower living space and an upper attic space inside said shelter; i. means for attaching said inner liner to each said frame member, said inner liner having an inside surface; and, j. an elongated air sock longitudinally aligned inside said shelter and attached to said ceiling formed by said inner liner said elongated air sock being attached at one end to a HVAC unit and includes at least one outlet vent that enables air from said HVAC unit and travel through said outlet vent and into the living space of said shelter, flow upward through the wall spaces and into the attic, and then exit said shelter through said attic air vent on said end cover.