SMARTair™ It's time to change! Sometimes the best solution is also the simplest. SMARTair™ customers are convinced that replacing a lost card is much cheaper than replacing a key. And it can be done quicker. SMARTair™ access control doors can simply be reprogrammed. There is no need to replace locks and cylinders. Wireless SMARTair™ access control doors are more cost effective than standard wired access controlled doors.