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NM® Springwall® Temperature-Regulating Mattresses Serta® Mattresses and Accessories

NM mattresses are National Mattress's own line — quality construction at honest, direct prices across firmness levels and builds. Compare every option below by feel, size, and price.
Springwall is a proudly Canadian-made brand known for chiropractic-minded support and durable, value-driven construction. Compare every option below by feel, size, and price.
A temperature-regulating mattress works to keep you at a comfortable, balanced temperature all night and all year — not just cooling you down, but adapting as your body and the seasons change so you don't wake up too hot or too cold. These mattresses use heat-responsive and breathable materials — phase-change covers, gel and graphite foams, Tencel and natural fibres, and airflow-promoting coils — to absorb and release warmth as needed. It's ideal if you run hot and cold, share a bed with a partner who sleeps at a different temperature, or just want consistent comfort through every season. You'll find temperature-regulating builds across every brand — Sealy, Serta, Beautyrest, iComfort, Tempur-Pedic, Chirofoam and our own NM line. Sleep hot specifically? See our cooling mattresses. Every mattress includes a 365-night sleep trial and free delivery across Canada. • What it does: holds a balanced, neutral temperature — adapts so you're not too hot or too cold • How it works: phase-change covers, gel & graphite foams, Tencel/natural fibres and breathable coil airflow • Best for: people who run hot and cold, couples with different sleep temperatures, and year-round comfort • Cooling vs regulating: cooling sleeps cold (for hot sleepers); regulating holds a steady, balanced temp • Across every brand and firmness • Every order: 365-night sleep trial, price-match guarantee & free Canada-wide delivery

Serta is a globally recognized mattress brand celebrated for its comfort-first designs and sleep innovations. With over 90 years of experience, Serta continues to deliver quality mattresses that Canadians can trust.

Shop Serta across the Perfect Sleeper®, Perfect Day™, Perfect Comfort X™, Modern Series™, Classic®, iComfort® and iComfort® Pro™ collections, in single/twin through king. Every Serta we carry is made in Canada and backed by the manufacturer warranty terms, plus our 365-night sleep trial and price-match guarantee.

NM® Springwall® Temperature-Regulating Mattresses Serta
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  • National Mattress 10-inch firm memory-foam mattress, white channel-quilted tight-top, grey woven sides NM Cozy Collection Logo
    • Optimal High Resilient Bio-Foam Core
    • Visco Memory Foam
    • Pressure Relieving Comfort Foam
    • Cotton Channel Quilted Cover
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin In stock for fast delivery $397
    Twin XL $548
    Double/Full $553
    Queen In stock for fast delivery $598
    Compare at $1,199
    King In stock for fast delivery $749
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  • NM® Cozy Air™ 8" Medium Firm Memory Foam Mattress - 1 NM Cozy Collection Logo
    • 7″ High Density Foam Core
    • 1″ Cool Gel Memory Foam
    • 3D Air-Knit Performance Fabric
    • Foam Core, No Coils
    • Mattress In A Box
    • CertiPUR-US Certified Foams
    • 10 Year Warranty
    • Made In Canada
    Single/Twin In stock for fast delivery $320
    Twin XL $374
    Double/Full $380
    Queen $419
    Compare at $899
    King In stock for fast delivery $602
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  • NM® Essential 8" Memory Foam Mattress - 1 NM® Essentials collection logo
    • 2″ Gel AeroFusion® Memory Foam
    • Standard Comfort Knit Cover
    • Flex Support Foam Core
    • 10 Year Warranty
    Single/Twin $432
    Twin XL $455
    Double/Full $586
    Queen In stock for fast delivery $639
    Compare at $1,399
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  • NM® Essential Hybrid 10" Mattress
    LIMITED STOCK NEW ARRIVAL
    NM® Essential Hybrid 10" Mattress - 1 NM® Essentials collection logo
    • Individually Pocketed Spring System
    • Standard Knit Cover
    • Gel AeroFusion® Foam
    • Liquid Gel CoolFlex™ Foam
    • 10 Year Warranty
    Single/Twin $584
    Twin XL $626
    Double/Full $800
    Queen In stock for fast delivery $913
    Compare at $1,999
    King $1,148
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  • National Mattress 8-inch medium-firm memory-foam mattress, smooth white tight-top, charcoal sides, NM badge NM Cozy Collection Logo
    • High Density Foam Core
    • Cool Gel Memory Foam
    • Hypoallergenic Bamboo Cover
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin SOLD OUT
    Twin XL In stock for fast delivery $242
    Double/Full SOLD OUT
    Queen SOLD OUT
    Compare at $899
    King In stock for fast delivery $371
    Online availability icon In-Stock Only 6 left!
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  • NM® Cozy Air™ 12" Medium Firm Memory Foam Mattress - 1 NM Cozy Collection Logo
    • 8″ High Density Foam Core
    • 2.5″ Cool Gel Memory Foam
    • 2″ Soft Foam
    • 3D Air-Knit Performance Fabric
    • Medium Firm 6/10 Feel · 12″ Profile
    • CertiPUR-US® Certified, Fiberglass Free
    • 10 Year Warranty
    • Made In Canada
    Single/Twin In stock for fast delivery $480
    Twin XL $536
    Double/Full In stock for fast delivery $545
    Queen $586
    Compare at $1,299
    King In stock for fast delivery $774
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  • National Mattress 12-inch extra-firm tight-top mattress, white diamond-quilted top with black quilted sides NM Hi-Loft Collection Logo
    • 1000 Hi-Loft Pocket Coil with Foam Encased Perimiter
    • HD High Density Support Foam
    • Bio-Foam natural foam content reduces your carbon footprint
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin In stock for fast delivery $411
    Twin XL $455
    Double/Full In stock for fast delivery $462
    Queen In stock for fast delivery $498
    Compare at $999
    King In stock for fast delivery $698
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  • National Mattress 10-inch firm euro-top mattress, white wave-quilted top with black diamond-patterned sides NM Hi-Loft Collection Logo
    • 1000 Hi-Loft Pocket Coil with Foam Encased Perimiter
    • Cool Gel-infused memory foam
    • Bio-Foam natural foam content reduces your carbon footprint
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin In stock for fast delivery $296
    Twin XL In stock for fast delivery $382
    Double/Full In stock for fast delivery $388
    Queen In stock for fast delivery $436
    Compare at $799
    King In stock for fast delivery $581
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  • Springwall 6-inch medium-firm tight-top foam mattress with patterned white quilted cover and charcoal sides Springwall Foam Mattress Collection Logo
    • Bio Comfort Foam Core
    • Gel Quilt Foam
    • Stretch Knit
    • Reduced Motion Transfer
    • Made In Canada
    Single/Twin In stock for fast delivery $171
    Twin XL In stock for fast delivery $228
    Double/Full $231
    RV Short Queen In stock for fast delivery $290
    Queen In stock for fast delivery $271
    Compare at $599
    King In stock for fast delivery $381
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  • Springwall Chiropractic 11-inch firm tight-top mattress, navy swirl-pattern top, darker navy sides Springwall Chiropractic Premium Mattress Logo
    • 1800 7-Zoned Chiropractic® Pocket Coils
    • Cold PE Technology Premium Surface Fabric
    • Graphite Gel PCM Comfort Layers
    • CoreBalance™ Support System with Micro Coils
    • HD Bio Comfort Foams
    Single/Twin $475
    Twin XL $624
    Double/Full In stock for fast delivery $634
    Queen In stock for fast delivery $690
    Compare at $1,499
    King In stock for fast delivery $907
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  • Springwall Chiropractic 11-inch plush tight-top mattress, navy swirl-pattern top, banded navy sides Springwall Chiropractic Premium Mattress Logo
    • 1800 7-Zoned Chiropractic® Pocket Coils
    • Cold PE Technology Premium Surface Fabric
    • Graphite Gel PCM Comfort Layers
    • CoreBalance™ Support System with Micro Coils
    • HD Bio Comfort Foams
    Single/Twin In stock for fast delivery $475
    Twin XL In stock for fast delivery $624
    Double/Full $634
    Queen $690
    Compare at $1,499
    King $907
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  • Springwall 9.5-inch plush euro-top foam mattress, white Cool Touch quilted cover with black diamond-quilted sides Springwall Foam Mattress Collection Logo
    • Bio Comfort Foam Core
    • Cool Touch Stretch Knit Sleep Surface
    • Gel Quilt Foam
    • Convoluted Bio Comfort Foam
    • Made In Canada
    Single/Twin In stock for fast delivery $261
    Twin XL In stock for fast delivery $356
    Double/Full In stock for fast delivery $361
    RV Short Queen In stock for fast delivery $450
    Queen In stock for fast delivery $418
    Compare at $899
    King In stock for fast delivery $489
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How to Choose the Right Serta Mattress

Serta® names its coil systems for how the support layer is organised, which makes the name the most useful thing on the label. Where a name says zoned, the coil unit is divided along its length into sections set to different resistances, so the middle of the bed can hold your hips up while the head and foot sections stay softer under shoulders and calves. The 1000 and 950 Series 3-Zoned Coil System and the 1050 3-Zoned Coil System split the surface three ways, while the 1250 and 2550 Series 5 ZoneActive Pocket Coil System divides it into five, giving shorter, more gradual steps between firm and soft. Serta also builds on the 800, 825 and 850 Edition Custom Support® Coil Systems.

Two other pieces of engineering matter when comparing models. Best Edge® Foam Encasement is a rigid foam frame built around the coil unit, and Serta specifies it model by model rather than as part of any one coil system, so check the model you are looking at. It stops the perimeter collapsing when you sit on it and makes the outer few inches usable for sleeping rather than a slope you roll away from. In the comfort layers, gel memory foam has a gel component mixed through the foam, which raises the thermal mass so the surface takes longer to reach body temperature; airflow, an open cell structure and the cover do the sustained work. Moulded memory foam is poured into a shaped mould so its contours are formed rather than cut. You can also explore the Serta iComfort collection. Comfort choices run across Extra Firm, Firm, Medium and Plush.

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Three Zones or Five

A zone count tells you how finely support changes from head to foot: five sections step in smaller increments than three. Which one reads better is personal, so lie on both. Our zoned support guide goes deeper.

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Reinforced Perimeter

Best Edge® Foam Encasement frames the coils in rigid foam so the edge holds firm, and Serta specifies it model by model. That widens the area you can actually sleep on and steadies the mattress when you sit down. See our edge support selection.

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Gel and Warm-Up Time

Memory foam holds warmth because it wraps closely around you. A gel infusion raises the thermal mass of the foam, so the surface takes longer to reach body temperature; sustained cooling comes from airflow, an open cell structure and the cover.

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Firmness Choices

Choose from Extra Firm, Firm, Medium and Plush, and remember that a thicker comfort layer can make two beds with the same coil system feel different.

Frequently Asked Questions About Serta Mattresses

What is the difference between a 3-zoned and a 5-zoned coil system?
The number is how many sections the coil unit is divided into from head to foot. Three zones typically give a firmer middle with softer ends. Five zones make the same transition in smaller steps, so the change in support under your shoulder, waist and hip is more gradual. Zoning varies firmness by position along the bed rather than by how heavy the sleeper is, and more zones is not automatically better; a uniform surface is what plenty of innerspring buyers are after.
What does Best Edge Foam Encasement actually do?
It surrounds the coil unit with a frame of rigid foam, and Serta specifies it on particular models rather than across a whole coil system. An encasement is one way to firm up an edge; innerspring units often use a border rod instead, and pocket coil beds commonly use firmer or higher count perimeter coils. Whichever method is used the aim is the same: the border compresses less than an unreinforced edge, so more of the width is usable and sitting on the side is steadier.
What is a Custom Support coil system?
Custom Support is Serta’s name for a family of coil units, and the Editions are numbered 800, 825 and 850. Quote the full name as Serta writes it when you compare models, and take the numeral as part of the name of the technology rather than as something you can weigh against another brand. When comparing two models, check the comfort layers above the coils as well, since those change the feel considerably.
Is gel memory foam cooler than moulded memory foam?
They solve different problems. A gel infusion raises the thermal mass of the foam, so the surface takes longer to reach body temperature; it delays warming early rather than cooling you all night, and the sustained work is done by airflow, an open cell structure and the cover. Moulded memory foam is about shape instead: it is formed in a mould rather than cut from a block. A model can use both. If sleeping hot is your main concern, start with our guide to cooling mattresses.
Can a Serta mattress go on an adjustable base?
It depends on the individual mattress rather than the brand. All-foam and pocket coil builds generally flex better than rigidly bordered innersprings, because independent springs and foam layers can bend without fighting each other. Always check the specific model before pairing it. Our guide to mattresses on adjustable bases explains what to look for, and you can browse adjustable bases here.
What if my partner and I want different firmness levels?
Two options usually work. The simpler one is meeting in the middle on Medium, then adjusting your own side with a topper or a different pillow height. The other is a split setup: two twin XL mattresses side by side measure the same as a king, so each of you picks your own firmness.

Not Sure What Separates Two Serta Models?

Our non-commissioned sleep experts can translate the coil system names into what you will actually feel, with no sales pressure, and you can read the terms of our sleep trial first.

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