PURPOSE: A thermal insulation apparatus using terrestrial heat is provided to enable users to easily install the apparatus, and to economically insulate a plant growing equipment.CONSTITUTION: A thermal insulation apparatus using terrestrial heat comprises the following: heat insulating materials(105, 107, 109, 111) installed around the edge of a plant growing area, formed in a plate shape and a ground insulating material extended from the upper side of the heat insulating materials underground. The heat insulating materials are installed in to a square box form with an opening on the lower side.COPYRIGHT KIPO 2012본 발명은 식물재배구역의 둘레를 따라 설치되는 땅속 단열재에 의하여 식물재배구역에 지열을 공급하도록 함으로써 지표면의 땅이 보온되도록 하는 시공이 간단하고 편리한 보온장치이다.
