Your air conditioner or heat pump (if you have a heat pump) does not consume Freon or refrigerant. The system is a sealed system and the air conditioner does not burn or use up refrigerant to make your house cool and/or warm if you have a heat pump. The refrigerant in your air conditioner or heat pump is supposed to be locked in a hermetic system and sealed tight. From time to time a leak occurs in the air conditioning system and the unit needs to be charged so that it can continue doing its job of cooling the home or business. As the refrigerant leaks out the system still cools. It actually cools too much.
The indoor evaporator coil begins to freeze up because the temperature of the evaporator coil drops below the dew point. This is humidity or moisture in your home or business which passes through the air conditioning (or heat pump) indoor coil (evaporator) for conditioning. The air conditioning system experiences a reduced amount of air flow because of the coil icing up. You may notice ice on the copper refrigeration lines which run to the outside condenser. If you see this it is important to shut the system off immediately and call MMS. If the system is left running the indoor evaporator coil will turn into a block of ice and no air flow will come out of the vents. Let us come and take care of your leak repair.