Properly adapted to specific motors, ACBs maintain their TEFC/IP44 or higher IP54 ratings. Hence, ACBs allow motor manufacturers and retrofitters to cool their motors enough to extend their lives and, in many cases, run in hotter environments. Consequently, motor manufacturers (OEMs) can install the ACBs into existing products without much increase in cost. Designers could even open the motors at the ends so that the ACBs could blow clean, dried air through their TEFC motors while maintaining their IP44, IP54 or higher ratings since passing air through the hot parts of the motors provides direct cooling, much more effective than cooling them indirectly by passing the air over the outside shell. Further, OEMs, automobile makers, farm equipment manufacturers and others that use motors with completely open and unprotected windings could add ACBs onto them to blow clean, dried
air through the windings, helping them to clean longer and cool them better.