How Long Should You Let Your New Mattress Air Out? Here’s What You Need to Know

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Are you wondering how long should you air out a new mattress? If so, you are in the right spot. In this article, we will provide you with all the information you need to know about airing out a new mattress. We will discuss the importance of airing out your mattress, how long it should take, and what to do if your mattress has a strong smell. So keep reading to find out the answers to all your questions.

What Is a New Mattress?

A new mattress is a bedding item that has not been used before. It can be made of different materials, such as foam, latex, innerspring, or hybrid. New mattresses come in a variety of sizes, such as twin, full, queen, and king. Some people opt for a mattress-in-a-box, which is a compressed version that is shipped and expands when unpacked.

It is important to give a new mattress time to air out before sleeping on it. This is because new mattresses often have a odor from the manufacturing process and materials used. Properly airing out a new mattress helps to reduce odors, as well as moisture and dust that may have accumulated during shipping.

How to Air Out a Mattress
The best way to air out a new mattress is to place it in a well-ventilated, dry area. Leave the mattress in the same spot and let it sit for at least 24 to 48 hours, flipping it over mid-way if possible. This will help to eliminate any unpleasant smells, as well as allow the mattress to expand to its full size. Open the windows and use a fan to help speed up the process.

It is important to note that some mattresses may need up to a week to fully air out. If there is still a noticeable smell after 24-48 hours, leave the mattress to air out for a few more days before sleeping on it.

Once the mattress has had enough time to air out, it is ready to use. Make sure to use a mattress protector to keep it clean and free from dust and allergens.

What Are the Benefits of Airing Out a New Mattress?

What Are The Benefits Of Airing Out A New Mattress?

Airing out a new mattress carries many benefits, including:

  • Reducing the chemical smell that is common in newly purchased mattresses
  • Preventing the build-up of moisture and mildew
  • Making sure that your mattress is free of dust mites and other allergens
  • Improving the longevity of your mattress

When you purchase a new mattress, it is important that you air it out to ensure optimal comfort and hygiene. Depending on the type of mattress you have purchased, you may need to let it air out for a few hours up to several days. If you don’t, you may be left with a mattress that smells strongly of chemicals, is damp and musty, and is more prone to dust mites and other allergens. To make sure your mattress lasts for a long time and is comfortable to sleep in, it is best to air out your new mattress as soon as you can.

How Long Should You Air Out a New Mattress?

How Long Should You Air Out A New Mattress?

Traditional Mattress

When you bring home a traditional innerspring mattress, it is recommended that you allow it to air out for at least 24 hours. This will allow the mattress to expand and the odors to dissipate. To maximize the airing of the mattress, you should keep it in a well-ventilated room and away from any direct heat.

Memory Foam Mattress

When you bring home a memory foam mattress, you should allow it to air out for at least 72 hours. This is because memory foam mattresses tend to contain more chemicals than traditional mattresses. By allowing it to air out for a longer period of time, you will ensure that all the odors and chemicals have dissipated. As with the traditional mattress, you should keep your memory foam mattress in a well-ventilated room and away from any direct heat.

How to Air Out a New Mattress?

How To Air Out A New Mattress?

Open the Windows

Opening your windows is the best way to air out a new mattress. While it may not make your room feel as cozy, it will help to remove any odors quickly.


Using fans can also help to circulate the air and make the process go faster. Place the fans in the room and point them towards the mattress to create a breeze.

Natural Sunlight

The natural sunlight can help to break down any odors that are lingering in the mattress. Place the mattress near a window or outside and let the sun do its work.

How to Speed Up the Process

How To Speed Up The Process

  • Open the windows: The most effective way to speed up the process is to open windows and let in some fresh air. Doing this will allow the mattress to breathe and help it dry out faster.
  • Use a fan: This can also help speed up the process by circulating air around the mattress and helps it dry out even faster.
  • Use mattress toppers: Investing in a mattress topper could help absorb moisture and speed up the drying process.
  • Vacuum the mattress: Vacuuming the mattress can help remove dust particles, odors and other contaminants, making it easier for the mattress to dry out.
  • Use baking soda: Sprinkling baking soda on the mattress can help absorb moisture, odors and other contaminants, making it easier for the mattress to dry out.
  • Use a dehumidifier: A dehumidifier can help remove moisture from the air, allowing the mattress to dry out faster.

Adverse Effects of Not Airing Out

  • Health Issues: Not airing out a new mattress can lead to a build-up of pollutants, dust mites, allergens, and other harmful particles, leading to respiratory problems, skin reactions, and other negative health effects.
  • Odor: A new mattress can have a strong chemical smell which is released over time through airing out. If this process is not done, the smell can become overwhelming and linger in the bedroom.
  • Premature Wear: Not airing out a mattress may cause it to wear down more quickly due to the build-up of moisture and other particles. This can lead to an uncomfortable sleeping experience and a shorter lifespan for the mattress.

Frequently Asked Questions

Can Airing Out a Brand New Mattress Reduce Off-Gassing?

Airing out a brand new mattress can reduce off-gassing by allowing harmful chemicals to dissipate. Off-gassing is a process where volatile organic compounds (VOCs) are released into the air from certain products, such as mattresses. As air circulates and passes over the mattress surface, the VOCs escape and are released into the air. Airing out a mattress for an extended period of time can help reduce off-gassing and the risk of VOC exposure.

What Precautions Should Be Taken When Airing Out a Brand New Mattress?

  • Keep it in a well-ventilated area: When airing out a brand new mattress, ensure that it is in an area where it can be easily ventilated. This is to ensure that the mattress can breathe and let out the off-gassing that comes with it.
  • Check it regularly: It is important to check the mattress regularly to ensure that it is airing out properly. If there is any mold or mildew, it should be taken care of immediately.
  • Use mattress covers: It is advisable to use mattress covers when airing out a brand new mattress in order to protect it from dust, dirt and other particles that may get onto the mattress.
  • Use a fan: Using a fan when airing out a brand new mattress can help to speed up the process. This is because the fan will help to circulate the air around the mattress, allowing for the off-gassing to escape more quickly.

Does the Type of Mattress Material Affect the Time it Takes to Air Out?

Yes, the type of mattress material can affect the time it takes to air out. Memory foam mattresses typically take longer to air out than other types of mattresses due to their dense construction. Innerspring mattresses tend to air out more quickly than memory foam mattresses, as they are less dense and constructed with more breathable materials. Additionally, latex mattresses are naturally more breathable than memory foam and may require less time to air out.

Is it Safe to Sleep on a Brand New Mattress Before it is Fully Aired Out?

No, it is not safe to sleep on a brand new mattress before it is fully aired out. As the mattress is fresh off the factory floor, it is likely to contain volatile organic compounds (VOCs) that can irritate the skin and airways, and may cause headaches, nausea, and other respiratory problems. Airing out the mattress will allow any off-gassing to dissipate, making it safe for sleeping.

How can I speed up the process of airing out a brand new mattress?

Airing out a brand new mattress is an important process to help get rid of any unpleasant odors or chemicals that may have been used in the manufacturing process. To speed up the process of airing out a new mattress, use fans to increase air flow and ventilation, open windows to let in fresh air, and opt for a mattress with natural materials. Additionally, airing out a mattress outdoors can help accelerate the process.


Airing out a brand new mattress may take anywhere from 24 hours to several days, depending on the size of the mattress, the climate and the ventilation in the room. To ensure the most efficient airing out process, it is important to open all windows and doors in the room, and use fans to circulate the air. To help the mattress off-gas any odors, sprinkle baking soda on top and vacuum it up after a few hours.


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