Determining whether or not your AC system needs refrigerant can be tricky because low refrigerant “symptoms” can also be the symptoms of other AC issues.
However, if you think your AC may be low on refrigerant, look for these 4 signs:
Your energy bills have increased You notice warm air coming from your vents There’s ice or frost forming on your AC Your AC is making a hissing or bubbling noise
Learn more about the 4 signs your AC may need refrigerant (freon) charge