If an air conditioner is not blowing cold air, the underlying problem could be one or more of several factors. There could be a problem with the air filter, fan motor, thermostat control, electronic assembly, or even the capacitator that has been fit in the unit. With time and use, the parts of any machine wear out. For the proper functioning of an AC, maintenance is essential. In case there an issue with the operation of an AC, many companies like this Los Angeles air conditioning service provider can fix the problem.