How Can I Prevent My HVAC System from Letting in Pests?

Hvac pestsA HVAC system works by exchanging indoor and outdoor air in different direction depending on the season. While this is important for our indoor comfort, creepy-crawly critters make use of this opportunity to get indoors through the openings.

It is recommended that your HVAC system is well maintained, but even with these safeguards in place, many of these unwanted house guests manage to sneak in through the tiniest amounts of space.

Vermin problems differ from one region to the other and this is why you have to know the pests that are common in your area. Together with this, you should further understand what is it that attracts these pests to your indoor spaces and how their entry can be blocked to eliminate them once and for all.

Bloomberg American House Survey

In its recent survey on national housing supply, Bloomberg included data on the scourge of vermin. Miami was rated among the top regions together with Atlanta, New Orleans, and Houston when it comes to cockroach infestations. Philadelphia, Boston, New York, and Washington DC on the other hand featured prominently in rats infestations.

Inferences drawn from this survey shows that cockroaches do well in wetter, warmer regions whereas rats are commonly found in colder climates and older cities. That said, the shared need for food, water, and shelter is what drives most of these pests indoors.

Fencing Out Pests

Maintaining your HVAC system regularly and keeping out pests may look separate concerns from the surface, but deep in their operations, they overlap. The pests leave behind skin cells, saliva, and droppings which can seriously irritate asthma sufferers as well as people with other respiratory conditions. This directly affects indoor air quality.

Rodents may even build nests or chew up wires in some of the most sensitive areas of HVAC system.

To ensure this doesn’t happen to you and your home is pest proof, keep the following in mind.

  • Seal off points of entry – Pest control professionals can help you carry out a detailed inspection to determine the entry points for vermin. Where the HVAC system is the entry point, you can get a technician to fit vents and protective screens. These technicians can also help pinpoint drafts which may allow insect infiltration.
  • Seal your ductwork – Duct material just like any other type of material may degrade and fail with time. This in turn creates gaps in your ducts which create pathways for pests and waste valuable energy.
  • Moisture control – Try as much as you can to avoid pooling of water inside and around your home especially closer to your AC condenser. In case you are experiencing dampness in some areas of your home, use dehumidifiers. Pests rely on water and if you can eliminate the puddles, the pests will go.
  • Routine HVAC maintenance – Having a professional inspection and tune up exercise every now and then can help detect signs of infestation early enough so that they can be fixed in good time.

To add onto the above, you should think a preventive pest control program where pests inspections and semi-annual sprayings are done to control potential infestations.


Leave a Reply

Your email address will not be published. Required fields are marked *