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7 Tips for Removing Allergens From Your Home's Carpet (Hint: #6 Is a Big One)

Posted by Hammond Knoll on May 20, 2021 12:00:00 AM

Removing and Reducing Allergens from Your Carpet

  1. Take care of your furnace air filter
  2. Use the right vacuum with the right frequency
  3. Close up the windows
  4. Use a Hepa filter
  5. Reduce humidity
  6. Clean the carpet
  7. Have an anti-allergen treatment applied


Spring is typically allergy season for most folks.

It starts with pollen from trees and flowers. Later in the season, grass pollen blows in through the open windows.

Unfortunately, there are a few that suffer from allergies all year around from mold spores, pet dander (dog and cat), lawn chemicals, and dust mites. 

To add insult to injury, all of these lovely allergy-causing inconveniences come from mattresses, pillows, furniture and THE CARPET! 

But don’t despair. We have seven tips that will help you get the allergens out of the carpet in your home.

Here’s what you need to know.

Carpet: Your Secret Air Filter

Carpet is a filter for anything in the air, just like the filter in your furnace.  

Since the 90s, homes have been built to not allow a lot of airflow from the outside. This is to  keep the heating or air conditioning running most efficiently. 

So where does the air go?  

Through the carpet, that’s where.

As the air circulates in the home, the carpet collects dust, pollens, and cooking oils from the air.  

The air flows especially along the edges where the floor meets the wall. In fact, you may even notice that the edges of the carpet have turned dark. These are called filtration lines.  

Not only is your carpet a filter, but it also collects and traps lawn chemicals, outside pollens and other known allergens that are tracked in on your feet and your pets’ little paws as they come in from the outdoors.

As we vacuum, walk across the carpet, or when the kids rough-house over the carpet, it stirs all the allergens up, causing a sensitive person (sometimes even a tough person!) to go into a sneezing fit. 


Now, before you go tearing out the carpet, we have a few tips that will help you reduce your chances of that next sneeze attack.

7 Tips for Removing and Reducing Allergens from Your Carpet

1. Take Care of Your Furnace Air filter

Here are some guidelines for making sure your furnace air filter is working as effectively as it should.

  • Change the furnace air filter frequently. (Click here for the top 15 furnace air filters).  
  • If there is one pet in the home, change the filter every 60 days.
  • For multiple pets, it’s recommended that you change the filter every 30 days.
  • For a standard family, every 90 days is sufficient.

2. Use the Right Vacuum with the Right Frequency

Vacuum the carpet at least once per week and under the furniture every 30-45 days.  

The most effective vacuum is one with a “certified” hepa filter because the filter will not allow the allergens to escape the vacuum container.  

If you have pets in the home, there are vacuums that specialize in picking up pet hair.

3. Close Up the Windows

As much as you want to welcome in the fresh spring air, leaving the doors and windows closed during the allergy season will dramatically reduce pollen blowing into the home only to be filtered into the carpet.

sad cartoon girl, crying, why

4. Use a Hepa Filter

There’s that word again. 😂 

Hepa filters are best used in the bedrooms where allergy sufferers sleep and in the rooms where the family and pets hang out. 

If you want to step up to the next level, an air filtration system for the entire home can be installed rather than the portable Hepa Filter. 

(We, so kindly, have a link for you with the top 15 here.)

5. Reduce Humidity

Reducing humidity and moisture in the room will keep dust mites and mold from breeding.

6. Clean the Carpet

Have the carpet professionally cleaned via truck-mounted thermal extraction. AKA: steam cleaning

(Pssst! 👀 HammondKnoll is your go-to cleaning company! teeheehee)  

The heat from the steam cleaning will remove dust, pollens, dust-mites, pet dander and whatever else may be hiding out in the carpet. 

It’s recommended by carpet manufacturers and professional cleaning companies to have the carpets cleaned once a year for a standard home.  

If there are pets and/or little kiddos, then it’s recommended once every 6-9 months.

little girl and pug, "I think they're trying to blame us, Susan"

7. Have an Anti-Allergen Treatment Applied

An allergy-relief treatment can be applied to the carpet by your professional carpet cleaning company after they clean. (Expect to spend around 26 cents per square foot.)  

This treatment substantially reduces the IgE antibody-binding capacity of the allergen. As a result, they are no longer “recognized” by the body’s immune system, alleviating the body’s allergic response (an allergy attack).

If someone in your home has an extreme case of allergies, a doctor may recommend removing the carpet and replacing it with a hard surface floor such as hardwood, tile or luxury vinyl tile.  

Once the hard surface floor is installed, you may be tempted to run out and buy an area rug to add warmth to the room.

Hold on just a second. A professional cleaning should be done to the rugs because they’re just as much a filter as your carpet, trapping and collecting allergens also.  

Have your area rug cleaned with the same frequency we advised above for carpet cleaning.

(Guess what?! HK does rug cleaning too! 😉).

Allergens Hate Professional Carpet Cleaning Companies

It’s true. 

From your vacuums to your furnace air filters, from closed windows to hepa filters, and everything in-between, you’re equipped to go to battle with allergy-inducing junk.

Allergens know that the team of you and your carpet cleaning company can deliver a one-two punch that they can’t withstand.

Now THAT is how you tackle the nasties that live in your carpet!

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