The presented study provides details on Fuzzy Logic based control of HHO generators aims at protecting the HHO generator from extreme temperature effects while maximizing the hydrogen production. The Fuzzy Logic Controller mainly focuses on protecting the generator from the harsh effects of process related over heating problems while maximizing the hydrogen production. The designed controller takes two process specific parameters, such as temperature and the HHO flow rate, and optimizes the operation of the reactor for maximization of production. In order to prove the effectiveness of the developed Fuzzy Logic based control approach, a comparative study on performance of conventional and presented novel Fuzzy Logic based systems are presented. The advantage of the Fuzzy Logic Controller is that it protests the reactor and allows continuous production of HHO gas while the conventional approach leads to damage to the reactor or interrupted operation due to overheating. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.