Monday, July 9, 2018

Dealing with Insects inside the HVAC duct

Could there be insects?

German Cockroach

What to do when insects invade the HVAC Duct? (Photo Credits)

Insects inside HVAC ducts are not only disgusting, it can even bring about illnesses as it pollutes indoor air. But what should a homeowner do if he suspects that there is a presence of insects or rodents within the HVAC ducts?

The website Pest Cemetery came up with an article discussing this topic, and mentioned several ways to get rid of pests and bugs in the HVAC. A/C And HVAC 

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“You could spray around the vent but drywall sucks up liquids and it’s doubtful any residual would be on the surface in enough of an amount to provide a lethal dose. Plus you still may get airborne chemicals when the heat or or a/c turns on. Some vents are vertical and it is difficult place a trap inside, for these types what I sometimes do is place wide strips of clear packing tape over the vent leaving thin slits (¼ to ½ inch wide) so that the air can still come through but when the insect tries to crawl out to freedom he will get stuck and die. Packing tape is great because you can still see into the vent and it usually comes off cleanly whereas masking or duct tape won’t.”

Read more here.

Get them out

NBC29 also published a feature report on bugs invading an HVAC system. In the article they interviewed a pest control expert who has worked on similar scenarios. Their resource person assured though that while these insects are a nuisance, they do not in any way cause damage to the HVAC system. Plumbing Association of San Diego 

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“You can easily prevent stink bugs from getting into your home’s ducts. Casey says sealing air leaks and small openings around your home should be enough to prevent future problems.”

Check out the article here.

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The website Vukcan Termite meanwhile shared some tips on how to keep a home’s HVAC system pest free. One of the tips they mentioned in their website is to keep the ducts sealed.

“One of the main entry points for insects is the ductwork. Even the tiniest crack or a loose seal gives them an opportunity to infest the HVAC system. Taking the time to properly seal your ductwork will not only keep bugs out, but it will also help lower your utility bills. Sealing up cracks in the ducts is relatively affordable and easy (where they are accessible). You’ll need foil tape for small cracks and mastic sealant for larger holes. Energy Star has a great brochure that covers all the basics of maintaining your ducts or hiring a pro do to the work for you.”

Take a look at the rest of the advice here.

Totally sealing and regular duct clean up can help in maintaining HVAC ducts, pest-free.

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