Call: 832 359 6641

How to Get Mildew Smell Out of Carpet

How to Get Mildew Smell Out of Carpet

Nobody likes the unpleasant, musty smell of mildew lingering in their carpet. Not only is it a nuisance, but it can also signal deeper issues that might affect your health and home environment. If you’ve ever walked into a room and been greeted by that unmistakable odor, you know how urgent it feels to get rid of it. Let’s dive into the best ways to banish that mildew smell and keep your carpet fresh and clean.

Understanding Mildew and Its Causes

What is Mildew?

Mildew is a type of fungus that thrives in damp, warm environments. It often appears as a thin, powdery film on various surfaces, including carpets. While it might look harmless, it can quickly become a significant problem if not addressed promptly.

Common Causes of Mildew in Carpets

Mildew in carpets usually results from prolonged exposure to moisture. This could be due to spills that weren’t cleaned up properly, high humidity levels, flooding, or even just a lack of ventilation in the room. Identifying the cause is crucial for effectively removing the mildew and preventing its return.

Health Risks Associated with Mildew

Allergic Reactions

Mildew can trigger allergic reactions in many people. Symptoms can include sneezing, runny nose, red eyes, and skin rashes. Those with existing allergies or asthma might find their symptoms exacerbated by the presence of mildew.

Respiratory Issues

Exposure to mildew spores can lead to respiratory problems, particularly in individuals with weakened immune systems. This can manifest as coughing, wheezing, or difficulty breathing.

Other Health Concerns

In addition to respiratory issues and allergies, mildew can also cause headaches, dizziness, and other general discomforts. Ensuring your home is free from mildew is essential for maintaining good health.

Identifying Mildew in Your Carpet

Visual Signs

Mildew often appears as discolored patches on your carpet, ranging from white to green or even black. These patches can be subtle or quite pronounced, depending on the extent of the growth.

Odor Indicators

A strong, musty odor is a clear sign of mildew presence. If you notice this smell, it’s time to investigate further and take action.

Moisture Detection

Areas of your carpet that feel damp or consistently moist are prime breeding grounds for mildew. Use a moisture meter if necessary to detect hidden dampness.

Preparing for Mildew Removal

Gathering Necessary Supplies

Before you start, make sure you have all the supplies you’ll need. This might include baking soda, vinegar, hydrogen peroxide, borax, a vacuum cleaner, scrub brush, gloves, and a mask.

Safety Precautions

Always wear gloves and a mask when dealing with mildew to avoid direct contact with spores and inhaling them. Ensure the room is well-ventilated during the cleaning process.

Initial Carpet Inspection

Conduct a thorough inspection of your carpet to identify all areas affected by mildew. This will help you focus your cleaning efforts more effectively.

DIY Methods to Remove Mildew Smell

Baking Soda and Vinegar

Steps to Use Baking Soda

  1. Sprinkle a generous amount of baking soda over the affected area.
  2. Let it sit for at least 30 minutes to absorb the odor.
  3. Vacuum the area thoroughly.

Steps to Use Vinegar

  1. Mix equal parts of white vinegar and water in a spray bottle.
  2. Spray the solution onto the mildew-affected area.
  3. Let it sit for about an hour.
  4. Blot the area with a clean cloth and allow it to dry completely.

Using Hydrogen Peroxide

Application Process

  1. Mix one part hydrogen peroxide with two parts water.
  2. Apply the solution to the affected area using a spray bottle.
  3. Allow it to sit for 10-15 minutes.
  4. Blot with a clean cloth and let it dry.


Test the hydrogen peroxide solution on a small, inconspicuous area of the carpet first to ensure it doesn’t cause discoloration.

Borax Solution

How to Mix and Apply Borax

  1. Dissolve 1/2 cup of borax in a gallon of hot water.
  2. Use a sponge or cloth to apply the solution to the mildew-affected area.
  3. Scrub gently and let it sit for 30 minutes.
  4. Rinse with clean water and blot dry.

Effectiveness of Borax

Borax is a powerful antifungal agent that can effectively eliminate mildew and prevent its return.

Using Commercial Products

Overview of Commercial Mildew Removers

There are many commercial products available specifically designed to remove mildew and its odor from carpets. These products often contain powerful antifungal ingredients.

How to Choose the Right Product

Look for products that are safe for your specific type of carpet and have good reviews. It’s also important to choose eco-friendly options if you prefer to avoid harsh chemicals.

Application Tips

Always follow the manufacturer’s instructions carefully. Test the product on a small area first to ensure it doesn’t damage your carpet.

Deep Cleaning Techniques

Steam Cleaning

Steam cleaning is highly effective at removing mildew and its odor. It uses high-temperature steam to kill mildew spores and deep-clean the carpet fibers.

Shampooing the Carpet

Carpet shampooing involves applying a special carpet shampoo, scrubbing it into the carpet, and then rinsing it out. This method can be very effective for deep cleaning and odor removal.

Professional Carpet Cleaning Services

Sometimes, the best option is to call in the professionals. They have specialized equipment and expertise to handle severe mildew problems and ensure your carpet is thoroughly cleaned.

Preventing Mildew in Carpets

Regular Maintenance Tips

Regular vacuuming and prompt cleanup of spills can help prevent mildew growth. It’s also important to periodically deep clean your carpet.

Controlling Humidity Levels

Use a dehumidifier to keep humidity levels in check, especially in basements or other high-humidity areas.

Proper Ventilation

Ensure your home is well-ventilated to prevent moisture buildup. Open windows and use exhaust fans regularly.

When to Call a Professional

Signs You Need Professional Help

If the mildew odor persists despite your best efforts, or if you notice extensive mold growth, it’s time to call a professional.

What to Expect from Professional Services

Professionals will assess the extent of the problem, use industrial-grade cleaning solutions, and ensure that all mildew is removed effectively.

Natural Remedies for Mildew Removal

Essential Oils

Essential oils like tea tree oil have antifungal properties. Mix a few drops with water and spray onto the affected area.

Sunlight Exposure

Sunlight is a natural disinfectant. If possible, move your carpet to a sunny area to help kill mildew spores.

Using Activated Charcoal

Activated charcoal can absorb odors and moisture. Place a few bags around the affected area to help eliminate the mildew smell.


Scroll to Top