Heating, Ventilating, and Air Conditioning (HVAC) systems are the major energy-consuming units within buildings. Nowadays, appropriate in imitation of the excessive make a bid because of HVAC rule installation among buildings, making an fantastic controller between system to decrease the energy blasting regarding the devices while meeting the angry relief needs into buildings are the nearly necessary goals concerning rule designers. The reason over this dissertation is after investigate the different monitoring techniques for Heating, Ventilating, then Air Conditioning or Refrigeration (HVAC andamp; R) systems. The benefits or hazards about every monitoring approach are mentioned yet sooner or later the Fuzzy Cognitive Map (FCM) approach is delivered as much a latter approach because HVAC systems. The FCM approach is an intelligent or advanced rule approach in conformity with tackle the nonlinearity, Multiple-Input or Multiple-Output (MIMO), complexity then coupling impact functions on the systems. The value over that technique and enhancements by means of that technique are in contrast including lousy methods.