||Learn how to build a house in an educational vacation on the coast of Maine. Students earn college credits and real estate recertification. Housebuilding classes for the owner builder. Learn all the systems in the house: plumbing, heating, passive solar design, active solar applications, beam sizing, engineering, HVAC, framing, drafting, foundations, siding, roofing, doors and windows. Also, shop for fine hand tools, timberframes, and real estate.