Published: April 18, 2017

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Pests are a nuisance to home owners and commercial building owners everywhere. Pests can range from ants and spiders all the way to mice, rats, possums, and raccoons. Pest control companies can often handle most of your pest problems, but many pest control companies overlook pest-proofing your HVAC system. It’s important to keep your HVAC system pest free. If pests get into your HVAC system you can face many risks.

Pests can get into your home or commercial building through your HVAC system due to several reasons. Your HVAC system may be in poor condition, allowing pests to enter it. Your home or building may also be located in an area that is notorious for pest infestations. No matter the reason why you have pests in your HVAC system, there can be several hazardous repercussions.

Pests that have entered your HVAC system can cause lots of damage to your heating and cooling systems, leading to costly repairs or replacements. Pests can also damage the building structure itself once they’ve entered through your HVAC system. Pests can also lead to indoor air quality issues. You may notice a foul odor in your home or commercial building. This could be from droppings or dead pests in your HVAC system. Pest problems in your HVAC system can potentially lead to health problems for anyone in the building. Any pesticides tracked in by the pests can be serious irritants to your sinuses, particularly if you suffer from allergies or asthma.In more serious cases, exposure to pests through your HVAC system can lead to damage to your central nervous system, kidneys, or liver.

Its important to remember to keep your HVAC system pest free. There are several ways in which you can do this.

Make sure to seal your ducts. Gaps, cracks, and disconnections in the ductwork can create places for pests to enter your HVAC system.Depending on the size of the hole, insects, mice, and larger rodents can enter your duct work. Pests in your ductwork can cause serious damage to your ductwork and can pose serious risks to your health. Spraying pesticides directly into your ductwork is often not a good idea as it is harmful to breathe in the chemicals used. If you do have pests in your ductwork, trapping is generally a good option. Live traps can be used to catch larger pests and glue traps can be used to catch insects. Once all pests have been removed from your ductwork, it is a good idea to have your ducts professionally cleaned and sealed.

Installing flue and vent covers can also help keep your HVAC system pest free. If pests get into your HVAC system’s flue pipes, the pipes will not be able to work properly and can become blocked, causing a carbon monoxide hazard. Pests can also enter through any exterior vents you may have in your home that help with air intake and ventilation. Vent covers should be installed on all exterior vents and flues to block any pests from coming in. Make sure the covers are installed correctly and tightly.

Make sure to protect your air conditioning condenser. Pests can cause a lot of damage to your exterior air conditioning condenser through chewing, scratching, urination, and droppings. Although its impossible to close off your exterior air conditioning unit, there are some ways to try and keep it pest free. Keeping it clear of any debris and vegetation can help discourage pests from making their home there. Using pet repellents can also help deter chipmunks, squirrels, and other small animals from your outside unit.

Contact Custom Klimates for to request a service call or to learn more about our indoor climate solutions or Cor’ Home Automation.  We offer the recommendations, services, and products you need to better protect your comfort, budget, and the air quality in your home.  With over forty years of proven experience across Canton, Woodstock, Cartersville & Alpharetta, GA, the HVAC technicians at Custom Klimates are your trusted source for quality heating and Air Conditioning solutions.