Often times I am asked, “Should I cover air conditioner in the winter”? Many people believe covering their air conditioner will prolong its life by keep out debris.
Fact is, air conditioning units are manufactured to live outdoors. Although covering your air conditioner may protect it from snow and falling debris, covering your air condenser in the winter months creates a high humidity environment as the sun beats down on the cover. Inside this moist environment is your electrical windings, wiring connections, and in some cases circuit boards.
In the rare case that you are experiencing excessive ice fall, or debris from trees, only cover the air conditioner top with a piece of plywood. Remember full covers encourage condensation build up which is damaging to the electrical controls and components.