The common mistakes people does while AC maintenance and installing are as follows.Incorrect size of the AC unit is a common AC installation mistakeThe first and possibly the most common AC installation mistake is the wrong size of the AC unit. The unit can be too big or too small. If it is not of the optimum size, it may not be able to cool the area it is meant to and on the other hand, if it is too big, then it may prevent dehumidification. Also in the case when the AC unit is too big, it may wear off the unit from being on and off on a frequent basis.Wrong wiringAnother thing that could go wrong with AC installation is a mistake with the wiring. If the installation professional is not too experienced, then he could easily do sloppy wiring work which may not only prove risky but may eve