Blue Energy has perfectly solved the problem of temperature difference of the floor and the ceiling within the space, which has been unsoluble in the field for energy utilization until now. Utilizing our own technology of direct heating, we have finally implemented "Naturally-rotating Convection" which makes the ascending heat rotate by itself having direction. With the innovative technology of Blue Energy greenhouse horticulture has reduced the amount of energy used by 50%, humidity by 20%, and has achieved the temperature difference of +/- 1degree, which made the optimal environment. Thank you.