by A non-prorated warranty covers full replacement or repair at the manufacturer's cost for the entire warranty term. A prorated warranty shifts a growing share of the replacement cost to you as the mattress ages. On a $1,500 queen filed at year 11, that difference is roughly $650 out of pocket. Saatva is the only mass-market brand with a true non-prorated lifetime structure, charging a flat $99 repair fee from year 3 onward, every year, with no depreciation ever. Tempur-Pedic and Amerisleep offer strong non-prorated coverage for the first decade.
Saatva Classic
9.2/10
- Only major brand with a true lifetime non-prorated warranty: flat $99 repair fee from year 3, no depreciation, ever
- Full replacement at no charge during years 1-2 for covered defects
- Dual-coil construction with reinforced lumbar zone and strong edge support
- Free white-glove delivery, setup, and old-mattress removal
- Sagging threshold is 1.5" on the Classic (1.0" on Loom & Leaf), stricter than budget brands but more lenient than Tempur or Amerisleep
- $99 return fee during the 365-night trial; not free returns
If long-term warranty value matters to you, Saatva wins the math unconditionally. No other mass-market brand offers the same flat-fee, no-depreciation repair structure across the entire life of the mattress.
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. The defect exceeds every brand's threshold, so coverage is not the question. The question is how much the customer pays.
| Brand | Year 2 Claim | Year 5 Claim | Year 8 Claim | Year 11 Claim | Year 20 Claim |
|---|---|---|---|---|---|
| Saatva Classic | $0 | $99 | $99 | $99 | $99 |
| Tempur-Pedic Cloud | $175 ship | $175 ship | $175 ship | Out of warranty | Out of warranty |
| Amerisleep AS3 | $0 | $0 | $0 | ~$750 (50% prorated) | Out of warranty |
| Nectar | $0 | ~$300-600 | ~$600-900 | ~$600 (50%) | ~$600 (50%) |
| DreamCloud Premier | $0 | $0 | $0 | ~$700 (50%) | ~$700 (50%) |
| Casper Original | $0 | ~$600 (50% after yr 5) | ~$800 | Out of warranty | Out of warranty |
| Sealy Posturepedic | $0 | ~$350 (25%) | ~$700 (50%) | Out of warranty | Out of warranty |
| Purple Mattress | $0 | $0 | $0 | Out of warranty | Out of warranty |
| Helix Midnight Luxe | $0 | $0 | $0 | ~$900 (50% after yr 10) | Out of warranty |
| Bear Elite Hybrid | $0 | $0 | $0 | ~$600-1,200 (50-75%) | ~$600-1,200 |
| Brooklyn Bedding Aurora | $0 | $0 | $0 | ~$950 (50%) | ~$950 |
| Zinus Green Tea | ~$60 (10%) | ~$300 (50%) | ~$480 (80%) | Out of warranty | Out of warranty |
Saatva is the only brand where a year-20 claim still pays out, and pays out at the same $99 as a year-3 claim. Tempur-Pedic and Amerisleep offer strong non-prorated coverage for the first decade. After year 10, only Saatva and the Bear/Brooklyn Bedding "limited lifetime" tier continue to cover the mattress at all, and only Saatva does so on a flat-fee basis.
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 offers full non-prorated coverage for years 1-10, then prorated 50 percent for the remaining lifetime. Used by Helix (in lifetime limited models), Bear (50-75 percent depending on damage assessment), Brooklyn Bedding Aurora, Nectar, and DreamCloud. This structure is the source of the "Forever Warranty" marketing trap discussed below.
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 $99 repair-for-life starting 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 $99 repair-and-recover fee for every year thereafter. The repair option remains available for the lifetime of the original purchaser. There is no proration ever. 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 are fully covered. Years 11-20 are prorated at 50 percent. This sits between Saatva's lifetime structure and the 10-year-only tier.
"Lifetime" prorated (Tier 3): Nectar, DreamCloud, Brooklyn Bedding Aurora, Bear Original. These warranties extend coverage past year 10 but only with 50 percent customer contribution. The marketing language obscures this, but the warranty PDF makes it explicit.
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.
Saatva: Why $99 Repair-for-Life Wins the Math
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 $99 fee, which includes pickup of the defective mattress, repair or re-cover of the defect, and return delivery via white-glove crew. The $99 fee never changes. 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 $99 repair channel.
The math on a year-15 sagging claim on a $1,500 queen Saatva: customer pays $99, Saatva picks up the mattress, repairs the defect, returns it, and the warranty resets. Same $1,500 queen at Nectar in year 15: customer pays $750 (50 percent of original retail) toward a replacement. At DreamCloud: the same $750 plus pickup coordination. Saatva pays out $99. Nectar and DreamCloud pay out $750. The Saatva structure is $651 less expensive on a single claim filed in year 11 or later.
Tempur-Pedic: 10-Year Non-Prorated, Strictest Threshold
Tempur-Pedic's 10-year warranty is the strongest 10-year coverage available. Full replacement on any covered defect, no proration ever, no co-pay on the replacement product. The $175 return shipping fee is the only out-of-pocket cost. The trade-off is the sagging threshold: Tempur requires a documented indentation of 0.75 inches measured with a quarter and straight edge. This is the strictest threshold among the major brands (Saatva Classic is 1.5 inches; Saatva Loom & Leaf is 1.0 inch). The strict threshold benefits Tempur because the 7 lb/ft³ density of Tempur memory foam genuinely resists sag across the warranty term.
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.
Amerisleep: 20 Years With a Decade of Non-Prorated
Amerisleep's 20-year warranty is the longest documented term in mass-market DTC outside Saatva's lifetime structure. Full non-prorated replacement for years 1-10. Years 11-20 are prorated at 50 percent. The sagging threshold is 0.75 inches, matching Tempur and tighter than Saatva Classic. The Bio-Pur plant-based foam at 4 lb/ft³ density is durable, and Amerisleep's HIVE 5-zone support layer means hip and shoulder zones see less repeated compression than uniform-density alternatives.
Amerisleep's structure is the strongest value play for buyers who want premium DTC quality at a sub-$1,500 queen price with coverage extending past a single decade. The AS3 at $1,249 on sale, paired with 10 years of full non-prorated coverage and 10 more years at 50 percent, is a competitive position against Saatva's $1,395-1,800 queen with lifetime $99 repair. Saatva still wins the absolute math on year-11-plus claims.
The "Lifetime" Marketing Trap
The phrase "lifetime warranty" without the qualifier "non-prorated" is the most common marketing trap in the mattress industry. Nectar markets a "Forever Warranty." DreamCloud markets a "Lifetime Warranty." Both imply unlimited coverage. Both warranties are functionally 10-year non-prorated warranties with a depreciated payout structure for the remaining lifetime.
The Nectar Forever Warranty PDF, available on the Nectar website, specifies that after year 10 the customer can request repair or replacement but pays 50 percent of original retail plus a $50 transportation cost. A 10-year-old Nectar queen ($1,200 original retail) with a 1.5-inch sag in year 12: customer pays approximately $650. The same defect on a 12-year-old Saatva: customer pays $99.
DreamCloud's structure is essentially identical. The "lifetime" claim is technically true (coverage extends beyond year 10) but functionally similar to a 10-year warranty with a 50 percent depreciation floor. Two phrases to look for in the warranty PDF: "non-prorated" (full coverage regardless of years) and "flat fee" or "repair fee" (a fixed handling cost without depreciation). If neither phrase appears in the lifetime tier, the warranty is prorated.
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.
| Brand | Sagging Threshold | Foam Density (Comfort Layer) | Implication |
|---|---|---|---|
| Tempur-Pedic | 0.75" | 7 lb/ft³ | Strictest threshold; densest foam can sustain it |
| Amerisleep AS3 | 0.75" | 4 lb/ft³ | Strict threshold with mid-density foam |
| Saatva Loom & Leaf | 1.0" | 5 lb/ft³ | Moderate threshold; high-density foam handles it |
| Purple | 1.0" | Hyper-Elastic Polymer grid | Grid structure rarely sags traditionally |
| Helix | 1.0" | 2.5-3 lb/ft³ | Moderate threshold; lower-density foam |
| Saatva Classic | 1.5" | Coil-on-coil | Coil construction; threshold less critical for longevity |
| Sealy, Beautyrest, Serta | 1.5" | 1.5-2 lb/ft³ | Loose threshold; covers low-density foam brands |
| Nectar, Zinus, IKEA | 1.5" | 1.5-3 lb/ft³ | Loose threshold; foam often sags just below it |
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. The BBB warranty denial complaints cluster predictably at budget Amazon brands and some Mattress Firm SKUs for exactly this reason.
How to File a Claim That Actually Gets Paid
Documentation matters more than the underlying defect. Follow this sequence:
- 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.
- Photograph the law tag and the foundation. The law tag confirms the warranty applies. The foundation confirms you have not voided coverage through unsupported center support or slats wider than 4 inches.
- 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.
- 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?"
- Document everything in writing. Email the brand after the call summarizing the conversation, the claim number, photos uploaded, and expected timeline.
- 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.
For long-term warranty value, Saatva Classic wins the math unconditionally. Flat $99 repair fee from year 3 onward, no depreciation, no time ceiling. Tempur-Pedic offers the strongest 10-year non-prorated coverage. Amerisleep covers 20 years with the first decade fully non-prorated. Any "lifetime warranty" without the phrase "non-prorated" is prorated after year 10.
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 $99 repair-and-re-cover service for every year thereafter. The $99 fee never changes. 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 $99 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 is non-prorated for years 1-10 and prorated at 50 percent for years 11-20. During the first decade, covered defects are repaired or replaced at no charge. The sagging threshold of 0.75 inches matches Tempur-Pedic.
Why does Nectar's "Forever Warranty" pay less than Saatva's?
Nectar's Forever Warranty is non-prorated for the first 10 years and prorated 50 percent for the remaining lifetime. A year-11 Nectar claim pays out 50 percent of original retail, with the customer covering the other 50 percent plus a transportation fee. On a $1,500 queen, a year-11 Nectar claim costs the customer approximately $750. The same Saatva claim costs $99.
What sagging depth qualifies for a warranty claim?
The threshold varies by brand. Tempur-Pedic and Amerisleep require 0.75 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?
The most common voids across brands are: stains (any stain, including unrelated ones), improper foundation (no center support for queen and larger, slats wider than 4 inches), removed law tags, and failure to use the mattress on a supportive base. Almost every BBB complaint about denied warranty claims traces back to one of these conditions.
Saatva Classic
9.2/10
The only true non-prorated lifetime warranty in mass-market DTC. Flat $99 repair fee from year 3, no depreciation, no time ceiling, white-glove pickup and return included. 365-night trial, free delivery and setup.
Editorial note. MattressNut audits mattress warranty terms twice yearly. Each brand's terms verified against the official warranty PDF in 2026. Proration math calculated against each brand's published depreciation schedule. 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.