Wood is a natural, human healthy and eco friendly material. It is healthy to live in a wood house, as softwood used for WOODEN HOUSE building is Resin remaining in softwood logs positively impacts on the respiratory tract and lungs of people living in such homes. It is established that warm and natural wood colour positively influences state of mind, soothes nervous system in people and creates friendly conditions for recreation. There is no dust in LOG HOMES. Electrostatic properties of wood do not let static electric power, the reason of the formation of dust, to accumulate in the rooms. A lot of dust in the rooms can cause allergies. Therefore, people suffering from allergy are recommended to live in PREFAB WOOD HOMES. 120-150 and more years of age.