Ac units come in almost all sizes and shapes. A person's indoor system operates by moving oxygen within the interior evaporator coil, and heat is taken into the refrigerant in this particular coil. The refrigerant is then moved externally, where the heated temperature is drained by using a fan blasting across the outside condenser coil. An air conditioning unit does not create cool air flow, it gets rid of warm heat from the air. For more information please click here air conditioner coil cleaning pembroke pines fl