WHAT IS HYDROMX? 30/06/2022 by Hydromx is an energy-saving nanofluid. Hydromx uses Nano-Thermo® technology to evenly suspend nanoparticulate in a glycol-based solution. As a result, Hydromx significantly improves the heat transfer of closed-loop hydronic heating and cooling equipment. Hydromx has been verified by utilities and third parties to reduce power consumption by 20-35%.