Prorated vs Non-Prorated Mattress Warranty 2026: $1,500 Math + Best Brands

Prorated vs Non-Prorated: What the Terms Actually Mean

A warranty defines who pays for what when a covered defect, typically sagging beyond a documented threshold, occurs during the warranty term. The single most important variable in that contract is whether the payout is prorated.

Non-prorated means the manufacturer covers the full cost of replacement or repair, no matter how many years have passed. A 10-year non-prorated warranty pays full replacement in year 1, year 5, and year 10. The customer's only out-of-pocket cost, if any, is a flat handling or shipping fee.

Prorated means the manufacturer pays only a share of the replacement cost, with the percentage shrinking on a published schedule. A typical 10-year prorated schedule starts at 100 percent manufacturer coverage in year 1 and ends at roughly 10-25 percent by year 10, with the customer covering the rest. A "lifetime prorated" warranty extends this depreciation indefinitely, often with a 50 percent floor.

The two structures are not interchangeable. On a $1,500 queen with a year-8 sagging claim, a non-prorated warranty pays the full replacement. A prorated warranty at the same point typically asks the customer for $600-900 toward a new mattress. Brands rarely advertise their proration schedules prominently. The number that matters is buried in the warranty PDF, not the marketing page.

The Math: $1,500 Queen Across 12 Brands

The table below shows what a covered 1.5-inch sagging defect actually costs the customer at different points in the warranty term, on a $1,500 queen. For Amerisleep, the visible indentation must exceed 1.5 inches; exactly 1.5 inches does not meet that threshold. The question is how much the customer pays.

Saatva charges a $149 repair fee from year 3 for qualifying claims. Amerisleep covers qualifying repair or replacement in years 1-10, excluding labor and transport; replacement in years 11-20 costs 50% of the original purchase price plus applicable costs. Compare each brand’s current terms rather than assuming only one brand offers later-year coverage.

Typical Proration Schedules

Proration schedules vary by brand but follow predictable patterns. Here are the structures we documented in 2026.

The 10-year linear schedule has the customer paying 10 percent of replacement cost per year owned starting in year 1 or 2. At year 5, the customer pays 50 percent. At year 10, 100 percent (effectively no coverage). Used by some legacy mid-tier brands and by Zinus.

The 5-year cliff schedule offers full non-prorated coverage for years 1-5, then prorated 50 percent for years 6-10. Used by Casper Original.

The 10-year cliff schedule must be checked against each brand’s current terms. Amerisleep has separate coverage periods within its 20-year warranty. Nectar provides free repair or replacement for qualifying defects under its lifetime warranty; do not treat it, Helix or DreamCloud as a verified lifetime proration schedule.

The 10-year ramp-down runs from full coverage in years 1-2, customer pays 25 percent in years 3-5, 50 percent in years 6-8, and 75 percent in years 9-10. Used by Sealy Posturepedic and some Serta SKUs.

The flat-fee structure charges a fixed handling or repair fee regardless of years owned. Saatva's $149 repair fee for life, starting in year 3. Functionally, this is a non-prorated lifetime warranty with a fixed transaction cost.

Brand Mapping: Who Is Truly Non-Prorated

Strip out the marketing language and the universe of truly non-prorated mattress warranties is small.

Lifetime non-prorated (Tier 1): Saatva is the cleanest example. The warranty pays full replacement at no charge during years 1-2 and a flat $149 repair fee for every year thereafter. The repair option remains available for the lifetime of the original purchaser. The repair option is not prorated; the optional Fairness Replacement program has separate percentage-based charges. WinkBeds Original offers 10 years of full non-prorated coverage, then transitions to a prorated repair structure for the remaining lifetime.

10-year full non-prorated (Tier 2): Tempur-Pedic is the standout. The Cloud, Adapt, and ProAdapt lines carry 10 years of full replacement, no proration. The $175 return shipping fee is a flat handling cost, not a depreciation share. Beautyrest offers 10-year non-prorated on most of its lineup. Leesa Original is 10-year non-prorated.

20-year with 10 years non-prorated (Tier 2.5): Amerisleep is the only brand at this tier in mass-market DTC. Years 1-10 cover qualifying repair or replacement, excluding labor and transport. Years 11-20 replacement costs 50% of the original purchase price plus applicable costs. This sits between Saatva's lifetime structure and the 10-year-only tier.

"Lifetime" prorated (Tier 3): Nectar does not belong in this tier: its lifetime warranty provides free repair or replacement for qualifying defects. DreamCloud has lifetime coverage, but the contribution schedule stated here is unverified. Check the current terms for any other brand before assigning it to a prorated tier.

10-year prorated (Tier 4): Casper Original, Sealy Posturepedic, Stearns & Foster, Serta. Coverage drops sharply after year 5, and claims filed in year 7 or later typically produce significant customer co-pay. Zinus and Linenspa sit at the bottom of this tier with proration starting in year 1 or 2.

Amerisleep AS3: our recommendation

Amerisleep’s 20-year warranty covers qualifying repair or replacement in years 1-10, excluding labor and transport. Replacement in years 11-20 costs 50% of the original purchase price plus applicable costs. The sagging threshold is a visible indentation of more than 1.5 inches.

For an AS3 claim, measure the visible indentation: it must be more than 1.5 inches to meet the sag threshold.

Saatva Classic: warranty terms

Saatva's "Friends for Life" warranty is the most generous payout structure on the market. Full replacement at no charge during years 1-2 for any covered defect. Starting year 3, Saatva offers a repair-and-recover service for a flat $149 processing fee, which includes pickup of the defective mattress, repair or re-cover of the defect, and return delivery via white-glove crew. The fee does not depend on years owned. The repair option remains available for the lifetime of the original purchaser.

For warranty claims involving structural failure that cannot be repaired (severe coil failure, foam decomposition), Saatva offers a "Fairness Replacement Option" allowing the customer to receive a prorated replacement once during the lifetime of the mattress, with the proration based on years of ownership. This is the one carve-out where Saatva applies proration, and it is the customer's choice to invoke it. Most claims go through the repair channel.

For a qualifying claim, Saatva’s repair option has a $149 processing fee from year 3. Nectar’s lifetime warranty provides free repair or replacement for qualifying defects. DreamCloud has lifetime coverage, but the contribution schedule used here is not verified. The claimed Saatva savings cannot be inferred from those terms.

Tempur-Pedic: 10-Year Non-Prorated, Strictest Threshold

The comparison here is about coverage periods and excluded costs. Amerisleep covers qualifying repair or replacement in years 1-10, excluding labor and transport, then replacement at 50% of the original purchase price plus applicable costs in years 11-20.

Tempur's 10-year ceiling is a real ceiling. After year 10, the mattress is uncovered. For buyers who plan to keep the mattress 15 to 20 years, Saatva's lifetime structure provides material additional value.

The "Lifetime" Marketing Trap

A lifetime warranty still needs to be read for qualifying defects, remedies and excluded costs. Nectar’s lifetime warranty provides free repair or replacement for a qualifying defect. DreamCloud also has lifetime coverage; confirm its current claim terms rather than assuming a depreciated payout after year 10.

Nectar’s verified lifetime warranty provides free repair or replacement for a qualifying defect. The previously stated percentage contribution and transportation calculation are not supported by those terms; they do not establish a savings advantage for Saatva.

DreamCloud has lifetime warranty coverage. The percentage contribution previously stated here is not verified. Read the current terms for qualifying defects, remedies and costs instead of inferring proration from the absence of particular phrases.

Sagging Threshold: The Second Variable That Decides Claims

The proration question is half the equation. The other half is whether your claim qualifies, which is governed by the sagging threshold. The threshold is the minimum measurable indentation depth the brand recognizes as a covered defect. Lower threshold means more claims approved.

Brands selling at 4 lb/ft³ or higher density (Tempur, Amerisleep, Saatva Loom & Leaf) can afford strict thresholds because their foam genuinely does not sag fast. Brands at 1.5 to 2 lb/ft³ set loose thresholds (1.5 inches) because their foam sags faster and a strict threshold would trigger too many claims.

How to File a Claim That Actually Gets Paid

Documentation matters more than the underlying defect. Follow this sequence:

1. Photograph the defect with a straight edge and a quarter. Lay a yardstick or carpenter's level across the indentation. Place a quarter in the deepest part. Photograph from perpendicular. Save three photos: top-down, side angle, and close-up.
2. Photograph the law tag and the foundation. The law tag confirms the warranty applies. Check the brand’s foundation and center-support requirements. Amerisleep AS3 allows at most 2.75 inches between slats on third-party bases.
3. Pull the original receipt. Most brands require proof of purchase. Saatva and Tempur store this in the customer account; Mattress Firm requires the paper receipt.
4. Call customer service, not the website chat. Phone agents have more discretion than chatbots. Ask: "I have a defect that meets the sagging threshold. What is the process to file a claim?"
5. Document everything in writing. Email the brand after the call summarizing the conversation, the claim number, photos uploaded, and expected timeline.
6. Escalate if needed. If the claim is denied unfairly, file a BBB complaint, submit a state Attorney General consumer complaint, or consider small claims court for amounts under $5,000 to $15,000 (varies by state). Magnuson-Moss Warranty Act protections apply.

Frequently Asked Questions

What does prorated mean on a mattress warranty?

Prorated means the warranty depreciates the replacement value of the mattress over time. The customer pays a depreciation share that increases with years owned. A typical 10-year prorated schedule has the customer paying 50 percent at year 5, 75 percent at year 8, and 100 percent at year 10. Non-prorated warranties pay full replacement value across the warranty term without any customer co-pay on the replacement product.

Is Saatva's warranty really non-prorated for life?

Yes. Saatva's "Friends for Life" warranty pays full replacement at no charge for years 1-2 and a flat $149 repair service for every year thereafter. The fee does not depend on years owned. There is no depreciation, no time ceiling on the repair option, and no co-pay on the replacement product. The one carve-out is the optional "Fairness Replacement," which the customer can invoke once for a prorated replacement; most claims go through the repair channel.

Is Tempur-Pedic's 10-year warranty non-prorated?

Yes. Tempur-Pedic's 10-year limited warranty is fully non-prorated for the entire 10-year term. The customer pays a $175 return shipping fee on covered claims; the replacement product itself is free. After year 10, the warranty expires entirely with no extended coverage.

Does Amerisleep have a non-prorated warranty?

Amerisleep’s 20-year warranty covers qualifying repair or replacement in years 1-10, excluding labor and transport. In years 11-20, replacement costs 50% of the original purchase price plus applicable costs. The sagging threshold is a visible indentation of more than 1.5 inches.

How does Nectar’s Forever Warranty compare with Saatva’s?

Nectar’s lifetime warranty provides free repair or replacement for a qualifying defect. Saatva provides free replacement in years 1-2 and repair with a $149 processing fee from year 3. These are different remedies; do not assume Nectar requires a percentage contribution after year 10.

What sagging depth qualifies for a warranty claim?

The threshold varies by brand. Tempur-Pedic requires 0.75 inches; Amerisleep requires more than 1.5 inches. Saatva Loom & Leaf, Purple, and Helix require 1.0 inch. Saatva Classic and most Sealy, Beautyrest, Serta, Nectar, Zinus, and IKEA SKUs require 1.5 inches. The measurement is taken with a straight edge across the indentation and a quarter for scale, photographed from a perpendicular angle.

What voids a mattress warranty?

Check the specific brand’s requirements for stains, law tags, proof of purchase and a supportive foundation. Foundation and center-support rules vary; Amerisleep AS3 allows at most 2.75 inches between slats on third-party bases. Do not apply a universal slat-spacing rule.

Editorial note. MattressNut summarizes warranty terms from each brand's published documents; terms change, so confirm the current warranty before buying. Proration math is illustrative. Sources: Saatva Help Center ("Friends for Life" warranty terms), Tempur-Pedic warranty PDF, Amerisleep warranty terms, Nectar Forever Warranty PDF, DreamCloud Lifetime Warranty PDF, Casper warranty, Sealy Posturepedic warranty, Purple warranty, Helix warranty, Bear warranty, Brooklyn Bedding warranty, Zinus warranty. BBB national mattress complaint records 2024-2026. FTC Magnuson-Moss Warranty Act guidelines.