Ever wonder why your air conditioner is supposed to be running but only hot air is blowing out of the vents? Have you gone outside to find a ball of ice has formed on your coils until they are frozen over? Ice on your air conditioning unit may seem strange, but it’s just a diagnostic signal of what needs to be repaired on your air conditioning unit. Here are some DIY steps you do to try to fix the ice problem yourself, and if not, we’ve listed the likely causes why the coils are freezing over so that you can better educate yourself. If you notice ice forming on your air conditioner coils, take these immediate steps to prevent further damage to your HVAC system. 1. Turn the system off completely 2. Change your air filter. This is such a simple fix but it can potentially save you a service call. It is true that having dirty air filters can stop enough airflow in the system to cause ice to fill up in your unit. 3. Check that all the supply and return grilles are not blocked and completely open. Restrictions at the registers can be big enough to significantly lower airflow which can cause ice to build up on the refrigerant lines.
5. Once the ice is completely melted, set the thermostat back to cooling mode and keep a close eye on the coils to see if they start to freeze up again. If changing the filter does not fix the problem call your trusted HVAC technicians at Green ID to properly diagnose and repair the problem. Why Is Ice Forming On Your Refrigerant Lines?
3. The air conditioning filter dryer is clogged. The purpose of the filter dryer is to protect the compressor from debris and contaminants. Air-conditioning filter dryer becomes clogged refrigerant will not flow through freely and will start to build up causing the coils to freeze. A Green ID technician can check if the filter dryer is clogged and make the necessary replacement to get the system working properly again. 4. The air conditioner system has a refrigerant leak. A refrigerant leak can occur over months before you ever start to notice any changes in your comfort or energy bills or it happens quickly. Either way if your air conditioning system does not have enough freon to remove the cold air from your house in the winter, and the warm air in the summer, your coils will start to freeze and ice up. 5. The air conditioner blower speed is set too low. The blower speed may have not been set right or changed during your last air conditioning service. This may have been done to make the air colder air coming out of the vents but can have the negative effect of not transferring enough heat across the evaporator coils. And our air-conditioning technicians will inspect the fan settings at the air handler or furnace and the thermostat wiring to ensure your system has the proper airflow to prevent icing up.
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