Since air conditioning systems blow out chilled air, many homeowners are not necessarily surprised when they see ice forming along the coils. They tend to think that it’s normal and that once the AC cycles off, the ice will simply melt away and fall into the drip pan below. This is a detrimental assumption to make, however.
Ice should never appear on your air conditioner. If it does, then there is something seriously wrong with your air conditioner. The ice won’t go away permanently if you remove it yourself—and in fact that can be harmful to your system anyway. The ice development will actually increase if the underlying problem is not taken care of. As long as ice is present, your AC system will suffer a reduction in cooling power. So what’s the underlying issue?