Oh no—I’m sorry to hear you’re dealing with gnats! While unfortunate, this is a common issue with HVAC systems. To get rid of gnats in your HVAC system, you’ll likely need to call an HVAC professional and a pest control company.
Both an exterminator and HVAC professional can determine the cause of the gnats, how to get rid of them, and future prevention.
The most common gnat found in HVAC systems is the fungus gnat. Fungus gnats are attracted to areas with high moisture contents. If your HVAC system has a moisture problem, the gnats may be breeding inside, causing them to be blown through your home.
Although there are plenty of DIY fixes to try and get rid of gnats, it’s best left to professionals. Additionally, whatever you do, do not spray any chemicals or pesticides in your HVAC ducts. Doing so can seriously damage your health and home.
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