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Animals In Hvac Ducts
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Your home's HVAC system is designed to circulate clean air. When animals break in, it circulates odors, dander, and pathogens instead. The metal ductwork of a home acts like a super-highway for rodents, allowing them to travel to every room in the house unseen. ## How They Get In * **Disconnected Ducts:** In crawlspaces, flex-ducts often fall off the main trunk line, leaving a wide-open hole for raccoons or opossums to climb in. * **Chewing:** Mice can chew through flexible foil ducts in minutes. * **Floor Vents:** Sometimes, a mouse falls through a floor register and gets trapped in the boot. ## The Signs 1. **The Urine Smell:** When the furnace turns on, do you smell a sharp, acrid odor? The heat vaporizes the urine left in the ducts, blowing it into every room. 2. **Magnoified Sound:** Metal carries sound well. A tiny mouse walking in a duct can sound like a monster scratching due to the acoustics. ## The Solution Getting animals out of ductwork is tricky. 1. **Extraction:** We cannot use poison (the animal will die in the duct and smell forever). We must use traps placed at strategic points in the system. 2. **Repair:** We repair the breached ductwork, replacing soft flex-duct with rigid metal where possible to prevent chewing. 3. **Sanitization:** This is crucial. If the ducts are filled with droppings, the air quality in your home is compromised. We can clean and sanitize the accessible ducts or recommend a full duct cleaning service. 4. **Vent Guards:** We install exterior covers on air intakes and exhaust vents to stop future entry. Protect your lungs and your furnace. If your vents smell like a zoo, call HWCS.
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