Seven Ways How to Get Rid of Mice in Ductwork

February 9, 2024
Avatar for Shakil AhmedShakil Ahmed
How to Get Rid of Mice in Ductwork

Ever heard tiny feet or strange noises in your house? It could mean mice have made a home in your air vents. Wondering how to get rid of mice in ductwork? 

Let’s break it down: seal the entry points, use peppermint oil to keep them away, and set traps carefully. If things get tricky or if there’s a dead mouse in ductwork, consider getting experts involved, and don’t forget to clean your vents regularly. 

We’ll guide you through effective steps to make sure your home is mouse-free, and your vents stay in good shape.

Mice in Ductword

Ever thought about how those little mice get into your home’s ducts and cause trouble? Well, these small rodents can actually squeeze through tiny openings, like cracks in your home’s foundation, doors, or windows, all because of their bendy bodies. 

Once they’re inside, they make themselves comfortable in your ducts and vents, building nests and getting to the important stuff in your house.

Why Mice Choose Vents?

Mice like to hide in dark, secret spots where they can get food and stay cozy. Going through heating ducts and vents gives them chances to find food all around your home. If you’re in a building with others or a condo, it even lets them maybe go into other people’s places.

Can Mice Live in Air Vents?

For sure! Mice can do really well in air vents if they can get food and water. These clever rodents eat lots of different things, like grains, pet food, sugars, grease, and even tiny crumbs they find in your home.

Detecting Mice in Vents: Signs and Sounds

How do you know if mice have taken residence in your vents? The telltale signs include a distinctive, unpleasant odor – a result of mouse urine that contains pheromones or the decaying scent of a deceased mouse in your ductwork. 

Listen closely, and you may hear scratching, crawling, or scurrying sounds on the metal surfaces of walls, ceilings, or floors where your ductwork resides. The occasional squeaking noise might also become noticeable, especially during the nighttime.

Signs of Mice in Air Ducts: A Closer Look

How to Get Rid of Mice in Ductwork

Here are some unmistakable signs of mice infesting your air ducts:

  • Repellent Odor: The distinct smell of mouse urine or the unpleasant scent of a mouse carcass in your ductwork.
  • Audible Clues: Sounds of mice moving or squeaking, particularly at night.
  • Debris Accumulation: A buildup of debris inside vents as mice collect scraps to construct their nests.
  • Droppings: Musky odors from mice excrement inside heating ducts, possibly visible outside air vents.
  • Scratch Marks: Noticeable scratch marks along the vent openings, indicating rodent activity.

Is It a Problem If I Find Mice in My Air Vents? 

Yes, it’s a concern. Mice in your vents can lead to bad smells, structural damage, and annoying noises. Plus, mice can carry diseases and make your food unsafe. Some mice even have a virus called lymphocytic choriomeningitis (LCM), which can be passed to humans when they touch mouse droppings or nesting materials. Other diseases mice can spread include salmonellosis, leptospirosis, and monkeypox.

Are you wondering if air duct cleaning makes a mess? Visit our insightful blog to find out the right answer.

How to Get Rid of Mice in Ductwork

How to Get Rid of Mice in Ductwork

Getting mice out of your vents and HVAC systems is tough without professional help. But you can do a few things to stop mice from coming into your house in the first place:

Seal Entry Points

Mice are crafty creatures that can find their way into your ductwork through tiny openings. Conduct a thorough inspection and seal any cracks or holes in and around your ducts. Use steel wool or caulk to block these entry points, making it hard for mice to sneak in.

Maintain Clean Surroundings

Mice are very much attracted to food sources and clutter. Keep your living spaces clean, preserve food in airtight containers, and dispose of garbage regularly. A tidy environment reduces the likelihood of mice making a home in your ducts.

Use Natural Deterrents

Mice have a strong sense of smell, and certain scents can deter them. Consider placing cotton balls soaked in peppermint oil near duct openings. Mice dislike the scent, making it a natural and non-toxic way to discourage them from venturing into your ductwork.

Set Traps Strategically

If you suspect mice are already in your ducts, set traps in key areas. Place them along suspected routes or near duct openings. Opt for humane traps if you prefer catch-and-release or traditional snap traps for a more immediate solution.

Seek Professional Help

If the infestation persists or you’re uncomfortable dealing with the issue yourself, don’t hesitate to call in professionals. Pest control experts have the knowledge and tools to assess the situation, locate mice, and implement effective solutions.

Identify and Remove Deceased Mice

Unpleasant as it may be, a dead mouse in the air ducts can lead to foul odors. If you suspect a mouse has met its end in your ductwork, locate and remove it promptly. Use gloves and a mask for protection, placing the deceased mouse in a sealed bag before disposal.

Regular Duct Cleaning

Schedule regular duct cleaning to remove any debris or potential nesting materials that may attract mice. This preventive measure not only keeps your ducts in top shape but also reduces the chances of a mouse infestation.

Visit our informative blog to find out how to clean air vent covers in the house.

Wondering How to Get Rid of the Mouse Smell in Your Vents? 

The smart move is to let fresh air in by opening all your windows and doors. Put some fans to work, blowing air outside to clear things up. If your ducts have a leak, the smell might stick around until you get pros to clean and fix them. You can also try using coffee grounds or charcoal deodorizer bags in the ducts to help reduce the odor.

Contact a Pro

How to Get Rid of Mice in Ductwork

If you’re in need of professional air duct cleaning in Tampa, FL, choose Air Duct Now. With over 15 years of experience, we’re a family-owned and locally-operated service dedicated to keeping your home clean and healthy. Our services include air duct cleaning and repair, unlimited returns & ducts, all with transparent pricing and a free deodorizer. 

We’re licensed, insured, and committed to client satisfaction, offering a $99 air duct cleaning special with a 12-month guarantee. Choose us for thorough, affordable, and quick-to-respond services, ensuring your air ducts are in top-notch condition. Contact us now to breathe cleaner air at home!

Wrapping Up

In summary, it’s important to take action on how to get rid of mice in the ductwork to keep your home healthy and free from pests. From sealing entry points to utilizing natural deterrents and setting traps strategically, these simple measures can effectively eliminate unwanted guests in your ducts. Getting professionals involved and having your ducts cleaned regularly also play a big role in making sure your home stays mouse-free and your ductwork stays in good shape. 


How to get rid of mice in air ducts?

Seal entry points to prevent access, then set baited traps inside vents and near openings. For large infestations or dead mice, call professionals for safe and thorough removal.

What should I do if I find a dead animal in the ductwork?

Don’t attempt removal yourself! The smell and potential health risks are significant. Call a professional pest control company for safe and effective removal and duct sanitation.

Can mice live in heating ducts?

Yes, mice can live in heating ducts, posing risks to property and health.

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