how does geothermal energy uses their energy is used to heat up a building? Share with your friends Share 0 Jahirul Mazumder answered this Please refer the link below:- https://www.meritnation.com/ask-answer/question/how-geothermal-energy-is-used-to-heat-the-buildings-plz-exp/sources-of-energy/2866791 0 View Full Answer