Signs That Your Air Conditioner Needs More Freon Refrigerant - MoncriefAir
                     Signs That Your Air Conditioner 
Needs More Freon Refrigerant
Air Conditioner & Freon
Refrigerant is made from a noble gas called freon, 
which has properties that allow it to change state 
from gas to liquid and back to gas again with the 
help of the AC unit’s condenser and evaporator. This 
helps cool down the air that is taken in from the 
outside.
Air Conditioner Running Out of Freon
The only way an air conditioner runs out of freon is 
if there is a leak in the pipes that carry refrigerant 
from one part of the unit to the other. But, how do 
you know if your central air needs freon? Here’s 
some of the telltale signs.
AC Is Running but the Home 
Isn’t Cool
You might feel warm air flowing 
through the vents, or you might notice 
that your AC is weaker than it used to 
be. 
Ice Buildup On Refrigerant 
Line
This happens because the evaporator 
coil cools down too much, causing cold 
refrigerant to flow back into the 
system.
Higher Electricity Bills
If you notice a spike in electricity bills, 
it could be a lot of different things, but 
if you notice it in conjunction with any 
of these other problems, it’s likely due 
to your AC unit having low refrigerant.
Hissing/Bubbling Sound From 
Refrigerant
Most freon leaks are silent, however a 
large leak can be heard from the 
refrigerant line. It will make a hissing or 
bubbling sound. If you hear those 
sounds, call an HVAC technician 
immediately.
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