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How to Keep Birds & Critters Out of Your Chimney

Home | Blog | Published on June 9th, 2025

If you’ve ever heard scratching, fluttering, or chirping coming from your chimney, you’re not alone. And you’re not imagining it. Unwanted guests like birds, squirrels, raccoons, and other critters frequently find chimneys to be warm, quiet places to nest. While it may seem harmless at first, animal intrusions pose serious risks to your safety and the functionality of your chimney system.

If you’re looking for reliable chimney sweeping in Minneapolis, MN, trust our expert team to help prevent animal entry and keep your home safe year-round.

Technician inspecting chimney cap and masonry joints with tools at rooftop

Why Animals in the Chimney Are a Big Problem

Birds and animals aren’t just a nuisance—they’re a danger. Here’s why:

  • Blockages: Nests, twigs, and debris from animals can block proper airflow, leading to smoke and dangerous carbon monoxide backing into your home.
  • Fire Hazards: Nesting materials are highly flammable. A stray spark from your fireplace can quickly ignite any dry debris lodged in your flue.
  • Odors and Waste: Animals leave behind droppings, fur, and sometimes carcasses. These not only create unpleasant odors but can also introduce bacteria and disease.
  • Structural Damage: Persistent scratching or nesting can damage the flue lining, damper, or chimney cap, leading to expensive repairs.

The Solution: Chimney Caps and Regular Inspections

At 2nd Generation Chimneys, Inc., we emphasize prevention first. One of the simplest and most effective ways to keep critters out is by installing a chimney cap. A properly fitted cap with a secure mesh guard blocks entry for animals while still allowing smoke and gases to escape freely.

In addition to caps, regular chimney inspections are vital. During an inspection, our certified technicians assess the structural integrity of your chimney, check for signs of animal intrusion, and ensure your system is clear and functioning properly.

Don’t Wait Until It’s a Crisis

By the time you notice signs of animals in your chimney, it may already be too late to avoid damage. Prevention saves money and peace of mind. That’s why we’re currently offering an unbeatable deal to protect your home:

$199 Chimney Clean & Video Inspection with purchase of Energy Efficient Damper.

This comprehensive service not only removes existing buildup but uses advanced video technology to detect early signs of damage or intrusion. Plus, energy-efficient dampers help you save on heating and cooling year-round.

Let’s Keep Wildlife Where It Belongs—Outdoors

You care about your home, your family, and your safety. So do we. Whether you’re facing an active intrusion or want to prevent one before it starts, our experienced team is here to help you protect your investment. Even a single animal can create long-term damage if left unaddressed, especially during nesting season. Many homeowners don’t realize the problem until smoke begins to back up or an animal becomes trapped.

This is why early detection and prevention are far more cost-effective than emergency animal removal and structural repair. Ignoring small signs today could lead to a full chimney rebuild tomorrow. Protecting your chimney is protecting your entire home from costly and avoidable risks.

2nd Generation Chimneys, Inc. serves Minneapolis, St. Paul, and the Surrounding Communities. Contact us today!

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