My AC was making weird hissing and bubbling sounds, even when it was off. I was unsure what the problem was, so I called an AC technician. He checked it out and said it was low on refrigerant. I asked him, how do I know if my AC needs refrigerant? He said stuff like poor cooling, warm air, or ice on the unit are signs. I will share more reasons below.
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How Do I Know If My AC Refrigerant is Low?
Here are some symptoms to know if your refrigerant is low.
If your home takes longer than usual to cool, that might be a sign.
He said higher-than-normal energy bills could be another clue.
If the air blowing from the vents is not cold, it might be because of low refrigerant.
Ice showing up on the refrigerant line could also mean there is a leak or a low level.
Weird noises like hissing, bubbling, or even banging sounds can point to an issue.
If the AC keeps running nonstop but doesn’t cool well, that is another sign.
He also mentioned that an unpleasant smell coming from the vents could be related.
I hope now you have a better idea about the symptoms of low refrigerant.
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How Do I Know If My AC Needs Refrigerant?
Mathan45
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11 days
2025-06-09T10:03:36+00:00 2025-06-09T10:03:38+00:00Comment
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