If A Mini Split Has Low Refrigerant Does It Affect Heating? - Ask the Expert Episode 181

Today's question is from David and Betsy. "Hey Dan, if a mini split has low refrigerant in the winter, does that affect the heating abilities?"

So, refrigerant doesn't make stuff colder. At least, not directly. What it does is it acts as a vehicle that the system uses to move the heat in or out. If you're wanting to make it colder, what a mini split heat pump air conditioner is doing is taking the heat from inside the room, putting it in the refrigerant, and sending it outside.

If your mini split has low refrigerant, it's not going to cool as well. That also means that if you're trying to heat in the winter (taking the heat from the outside and bringing it in) it's not going to do that as well either because there just isn't as much refrigerant to do it.

So, yeah. If your mini split has low refrigerant or an air conditioner of any kind has low refrigerant, it's bad whether you're trying to heat or cool with it.

One quick thing: Freon is actually a brand name of many different types of refrigerant.

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