Here’s a common misunderstanding people often have about air conditioning systems: it’s normal for ice to appear on them, because it means the AC is doing an extremely good job of cooling the air.
Nothing about this is true. Air conditioners should never create ice as they operate, the same way that you shouldn’t see ice forming inside a modern freezer (unless you specifically put water in it to turn into ice). When you see ice developing on your AC, it will appear along the indoor coil, the evaporator coil, and that sends a warning that something is wrong with the air conditioner. Not only is a problem present in the AC, but the ice will cause the air conditioner to provide less cool air, not more. In most cases, ice on the coil means you need to call for AC repair in Flushing, MI.