All electrical and mechanical appliances are bound to fail at some point. This failure might be because of wear and tear. During long periods of use, the moving parts may break down. In some cases, they wear out from friction. That also happens during dormancy. In the dormancy period, dust accumulates on the moving pairs. The lubricant also dries out. For this reason, the metallic parts may become brittle. Also, in the presence of moisture, metal rusts. Rust eats into the parts making the device require attention from air conditioning repair Riverside County California experts.