Do you feel as if there is an awful smell circling in your home and it’s not your toddler or your pet? Well, if you’ve eliminated all the obvious answers, why don’t you take your time to think about your HVAC system? If it smells bad – this is not a sign that you’d really be looking forward to.

Should you be worried?

Yes. This is, of course, the shortest answers of them all and it could be a slight stretch but consider this. An unappealing and unpleasant odor coming from your HVAC system could actually be toxic. It could be the smell of CO2 off your furnace or of refrigerant leaking from your AC system – each one of these could turn out to be rather devastating and it’s definitely something that you should take into serious consideration. Of course, it could also be something minor but, in any case, it’s an issue, so, yes, you should be worried.

Is it dangerous?

Not necessarily. Your AC system might have picked up something from the outside, especially if you’re using fans. However, for the most part, it could be quite dangerous, if you start feeling excessive smell from your HVAC which is uncharacteristic. There are a few different types of smells that you would want to take into account.
Burning Odors – these are particularly dangerous. Fire emits CO2 which could be lethal. This is the main reason for which you should quickly get the help of a professional while ensuring that you’re at a safe location away from the burning fumes.
Gun Powder – this is another burning smell which is, however, quite distinctive. An aroma which resembles gun powder could result from a fried circuit board or a busted fan motor. The smell poses pretty much the same danger as regular burning odors.
Skunky Aroma – if your crawlspaces in your home are poorly sealed, you might encounter a distinctive skunky aroma. This, however, might be actually caused by a skunk. Pay attention.
Rotten Eggs – this is usually the sign that natural gas is likely to be involved. High levels of this are going to reduce the oxygen amount in your own blood and it’s capable of causing some very serious harm.
As you can see for yourself, there are a few different options and a few more that you would have to be aware of in order to make sure that you make the right call. Regardless of what the smell is, though, it’s important that you make sure that you call the professionals and get it fixed right away. It could be dangerous so you should take the necessary actions immediately. Talk with a HVAC contractor and let them decide what would work best for your unit. If the cost of the repairs are too high, it makes sense to get the whole unit replaced.

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