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Everything You Need to Know About Mattress Warranties

By: S I
Updated on: April 05, 2024

  • Mattress warranties come in various types—written, spoken, and implied—offering protection against defects for a specified period.
  • Warranties cover issues like sagging and faulty materials but often exclude normal wear and tear, user-inflicted damage, and dissatisfaction with the product.
  • Actions like removing the law tag, stains, improper care, or using an unsupportive foundation can void a mattress warranty.
  • Filing a warranty claim involves understanding the terms, contacting the retailer, potentially awaiting an inspection, and covering shipping costs if required.

Investing in a mattress is a significant decision, and it’s natural to have concerns about its long-term durability. However, mattress warranties offer peace of mind by protecting against potential defects. Understanding the terms and conditions of mattress warranties is crucial to making an informed purchase and ensuring that you can file a claim if necessary. This comprehensive guide will explore everything you need to know about mattress warranties, including what they cover, what voids the warranty, and how to file a mattress warranty claim here.

Understanding Mattress Warranties

Mattress warranties are legal agreements between the manufacturer or seller and the consumer, guaranteeing that the mattress will be repaired, replaced, or refunded under specific conditions. There are three types of warranties: written, spoken, and implied.

Written Warranties

Written warranties are not legally required but are commonly provided by most mattress brands. These warranties outline the terms of warranties covered and conditions of coverage and typically last between 5 and 20 years. It is essential to refer to the written warranty while filing a claim.

Spoken Warranties

Spoken warranties are verbal commitments made by salespersons explaining the warranty terms. However, it is crucial to obtain written confirmation of any spoken warranties to ensure their validity and for future reference.

Implied Warranties

Implied warranties are mandated by law in all 50 states and apply to most purchases, even if they do not come with a written warranty. Implied warranties can last up to four years or more. There are two kinds of implied warranties: warranty of merchantability and warranty of fitness.

  • Warranty of Merchantability: This warranty ensures that the product will perform its essential functions as promised by the seller. For example, a lamp should light up, and a mattress should provide a comfortable sleeping surface.
  • Warranty of Fitness: This warranty applies when a seller suggests that a product is suitable for a specific purpose. For instance, if a seller recommends a heated mattress for therapeutic benefits, it should fulfill that purpose.

Warranties vs. Sleep Trials

While mattress warranties and sleep trials serve different purposes, many companies offer both to provide comprehensive customer satisfaction. Sleep trials allow consumers to test the mattress at home for an extended period, typically between 90 to 365 days. If the mattress does not meet their comfort preferences, they can return it for a full refund. On-mattress warranties work; on the other hand, warranties come into effect once the customer decides to keep the mattress after the sleep trial.

What’s Covered by a Mattress Warranty?

The coverage provided by mattress warranties may vary depending on the brand, but they generally address common issues related to mattress sagging and faulty materials.


Sagging is the most common issue covered by mattress warranties. While some degree of sagging is expected with regular use, excessive or premature sagging is indicative of a defect. Mattress warranties typically specify a minimum sagging depth, ranging from 1 inch to brand-specific requirements.

Faulty Materials

Mattress warranties also cover poor workmanship and faulty materials. This includes manufacturing defects such as broken or bent coils in hybrid or innerspring mattresses, seams coming undone, significant bunching in foam mattresses, and broken or torn mattress handles.

Defective Components

In the case of mattresses with electronic components, such as those with remote controls, individual components may be covered separately from the mattress itself. If a defect is limited to a specific component, the company may repair or replace that specific part rather than the entire mattress.

What’s Not Covered by a Mattress Warranty?

While mattress warranties provide valuable protection, it is essential to understand what is not covered to avoid any misconceptions or disappointments.

Sagging Below Minimum Threshold

If your mattress sags but does not meet the minimum sagging depth specified in the warranty, you may not be eligible for a replacement or repair. In such cases, using a used mattress cover or topper for extra support can be a temporary solution until you are ready to replace your mattress.

Normal Wear and Tear

Mattress warranties do not cover normal wear and tear, including minor imperfections, discoloration, scuffs, lumpiness, and bunching. These physical flaws often occur over time due to regular usage and do not indicate a defect.

User-Inflicted Damage

Damage caused by misuse, such as scratches, scuffs, torn fabric from moving the bed frame or mattress, or sagging due to jumping on the bed, is not covered by warranties. It is important to handle the mattress with care and follow the manufacturer’s instructions to avoid voiding the warranty.

Dissatisfaction with the Product

If you decide that you are unhappy with your mattress for reasons such as size, feel, or performance, the warranty does not cover reimbursement or replacement. Sleep trials do mattress warranties are designed to help customers prevent getting stuck with a mattress they dislike, and warranty claims for dissatisfaction are not valid after the sleep trial period.

Non-Defective Components

Suppose your mattress has a single faulty seam or a specific manufacturing defect. In that case, the warranty may only cover the repair or replacement of that particular component rather than the entire mattress. This is particularly relevant for mattresses with electronic components that may have separate warranties for specific parts.

What Voids a Mattress Warranty?

Certain actions or conditions can void your mattress warranty, meaning that the manufacturer will no longer be responsible for repairs, replacements, or refunds. It is important to be aware of these factors to avoid unintentionally voiding your mattress warranty.


Stains, including those caused by food or drink spills, void mattress warranties. Liquids can corrode mattress materials, leading to structural damage. Using a mattress protector from the beginning is essential to prevent stains and maintain the warranty’s validity.

Removal of the Law Tag

Each mattress typically has a small tag attached to it, commonly known as the mattress law tag. Removing this tag, even though it is not legally required to keep it intact, voids the warranty. The law tag serves as proof of purchase for mattress manufacturers and contains important information about the mattress.

Selling or Gifting the Mattress

The warranty is not extended to the new owner if you sell or gift your mattress. Even if it is void, a mattress warranty has not expired. Only the original purchaser can make warranty claims for sags or defects within the warranty period.

Failure to Flip or Rotate Mattress

Proper mattress care includes regularly flipping or rotating it every three to six months. This practice ensures even wear and helps prevent premature sagging. Failure to follow the recommended flipping or rotation schedule may result in a voided warranty. It is important to note that certain mattresses, such as hybrid, memory foam, and latex mattresses, should only be rotated and not flipped.

Failure to Unpack Mattress

Leaving a mattress in its box for an extended period, typically beyond 2 to 4 weeks, can cause permanent damage. While mattresses may be vacuum-sealed for shipping, they should be unpacked promptly to prevent potential issues.

Unsupportive Foundation

Using an improper or unsupportive foundation for your mattress can void the warranty. Different mattress types require specific foundations to ensure proper support and prevent premature sagging. Examples of suitable foundations include adjustable bed bases, slatted wood platforms, and box springs for innerspring mattresses. It is important to follow the warranty’s guidelines regarding the appropriate foundation for your mattress.

Warranty Lengths and Mattress Lifespans

Mattress warranties typically range from 10 to 20 years, although the mattress warranty’s coverage length does not necessarily correspond to the mattress’s lifespan. Most mattresses have shorter lifespans than the warranty period. The following are approximate lifespans based on different warranty lengths:

  • 5-year warranty: 4-year lifespan
  • 10-year warranty: 7-year lifespan
  • 20-year warranty: 8-year lifespan

If you want a mattress with minimal sagging issues, opting for a longer warranty with comprehensive sagging coverage is advisable. A longer warranty indicates the company’s confidence in the mattress’s durability.

Prorated vs. Non-prorated Warranties

When considering mattress warranties, it is important to understand whether they are prorated warranty or non-prorated, as this can impact any potential charges associated with warranty claims.

Prorated Warranties

Prorated warranties require the customer to pay a fee or a percentage of the prorated mattress warranty amount’s cost when repairing or replacing it. The prorated charge increases over time, usually after several years, as the mattress becomes more susceptible to damage. In the case of a refund, the company typically reimburses only a percentage of the mattress’s initial value, which decreases over time. Proper mattress maintenance, including the use of a mattress protector, can help minimize repair costs. However, prorated replacement charges may still apply if the mattress needs repair or replacement.

Non-prorated Warranties

Non-prorated warranties provide coverage for mattress repair or replacement at no additional cost to the customer during a specified period. While non-prorated mattress warranties cover and are preferable, it is important to note that customers may be responsible for transportation costs associated with a replacement mattress.

Limited vs. Full Warranties

Many mattress companies offer a combination of limited and full warranties within a single warranty. Limited warranties only cover specific parts, defects, or conditions and are often unique to particular distributors. Full warranties, on the other hand, cover the entire mattress from any defects. Examining the warranty terms is essential to grasp the scope of coverage offered by most warranties.

How to File a Warranty Claim

If you think your mattress has a defect covered by the warranty, follow these steps to submit a warranty claim:

  • Review Your Warranty: Understand the terms and conditions of your mattress warranty to verify that the policy covers your issue. Before reaching out to the company, ensure you have the date of purchase and any necessary documentation, such as photos of the defective mattress or proof of purchase.
  • Contact The Mattress Retailer: Contact the customer support of the mattress company to begin the warranty claim process. Give them the necessary details and be ready to provide any needed documents or evidence. It is advisable to keep your receipt for reference during the conversation.
  • Await an Inspector: In many cases, companies send an inspector to evaluate the condition of your mattress. The inspector will measure and assess the mattress to determine whether your claim is valid. If your claim is denied, you may have the option to dispute the decision, but this can further prolong the warranty fulfillment process. Note that there may be a fee for the inspector’s services, which is typically reimbursed if your claim is validated.
  • Ship Your Mattress: Once your claim is verified, you will need to ship the mattress to the company. You may be responsible for the shipping fees, which typically range from $50 to $100. However, some companies cover the shipping costs if the claim is deemed valid.

Ways to Extend Your Mattress’s Lifespan

While mattress warranties provide essential protection, it is always beneficial to take measures to extend your mattress’s lifespan. By following these tips, you can maximize the longevity of your mattress and minimize the need to rely on the mattress warranty cover alone:

Use a Mattress Protector

Investing in a high-quality mattress protector is one of the most effective ways to extend the lifespan of your mattress. A mattress protector acts as a waterproof barrier, protecting your mattress against stains, spills, dust, and other contaminants. There are two common types of mattress protectors: fitted protectors and encasements. Fitted protectors wrap around the top and sides of the mattress, whereas encasements offer complete coverage by enveloping the entire mattress.

Invest in a Proper Foundation

Using a suitable foundation for your mattress is essential to ensure proper support and prevent premature sagging. Different mattress types require specific foundations. Adjustable bed bases, slatted wood platforms, and bunkie boards are suitable for memory foam, latex foam, and hybrid mattresses, while innerspring mattresses typically require box springs. Following the manufacturer’s guidelines regarding the appropriate foundation is crucial to maintain the warranty’s validity.

Regularly Maintain the Mattress

Regular maintenance is key to preserving your mattress’s condition. Flip the mattress every 3 to 6 months to promote even wear. Vacuum the mattress at least twice a year to remove dust and debris. Spot-clean any small stains promptly to prevent them from setting. Additionally, wash your mattress protector every one to two months and your sheets every one to two weeks to maintain cleanliness.

Keep Food and Drinks Off the Bed

Eating and drinking in bed may result in spills and stains, attracting insects and potentially compromising the integrity of your mattress. Avoid consuming food and beverages on the bed to minimize the risk of staining. While water spills may not stain the mattress, it is important to absorb excess liquid promptly with a towel to avoid mold and mildew growth.

Avoid Jumping on the Bed

Jumping on the bed may be tempting, especially for children, but it can cause physical damage to the mattress. Innerspring and hybrid mattresses may experience broken coils, while memory foam mattresses can develop visible indentations or cracks. Discourage jumping on the bed to maintain the mattress’s structural integrity.


Should I buy a mattress without a warranty?

We do not recommend purchasing a mattress without a warranty. A warranty provides essential protection against potential defects, and without it, you assume full liability for the warranty covers any problems that may arise. Cheap or second-hand mattresses from third-party resellers often lack warranties, posing a higher risk of premature breakdown.

Is it okay to buy a used mattress?

Buying a used mattress is generally not advisable. Used mattresses lack warranties, making it difficult to assess their condition and potential defects. Additionally, mattresses older than 7 to 10 years may be worn out and no longer provide the same comfort and support as new mattresses. While used mattresses may be cheaper initially, they may require replacement sooner than expected.

How do I know when my mattress needs to be replaced?

Several signs indicate that it may be time to replace your mattress:

  • Visible sagging, lumps, or indentations
  • Discomfort or pain while sleeping
  • Increased allergy symptoms upon waking
  • Inability to find a comfortable sleeping position
  • The mattress is over 7 to 10 years old

How long should I wait before sleeping on a new mattress?

After unpacking a bed-in-a-box mattress, it is generally recommended to wait at least 24 hours before sleeping on it. This allows the mattress to fully expand and any initial chemical odors to dissipate.

How do I measure mattress sagging?

To measure mattress sagging, remove all bedding and locate the deepest part of the indentation. Use a measuring tape, yardstick, or ruler to measure the depth of the sag compared to the rest of the mattress’s height. Avoid applying excessive pressure during measurement to prevent overestimating the sag depth. If the sagging meets the coverage requirements specified in your warranty, you can proceed with filing a claim.


Understanding mattress warranties is crucial for making an informed purchase decision and ensuring that your investment is protected. You can confidently navigate the mattress shopping process by familiarizing yourself with the various warranty coverage amounts, exclusions, and warranty terms. Remember to follow proper mattress care practices, such as using a mattress protector, maintaining the mattress regularly, and avoiding actions that could void the warranty. By giving proper care and attention, you can prolong your mattress’s lifespan and reduce the necessity for warranty claims.


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