Novaform Serafina PerfectTemp Gel Memory Foam Mattress Review: Should You Buy It?

Novaform lists Plush, Medium, and Firm, while Costco lists Medium and Firm. If you are shopping Costco, use its two listed choices; Plush appears on Novaform’s listing. Check the seller page before checkout, because the options shown depend on which listing you use. Treat the choices as listing-specific rather than assuming every page offers the same set. Choose from the options on the page where you place your order, so the firmness you select matches that seller’s displayed choices.

For back pain, the support claim alone does not show that this mattress is a good fit. The brand says its 4-layer, 14-inch design provides full-body support. That is the brand’s broad description, not a promise of pain relief. If back pain is why you are shopping, do not treat that statement as a health result or proof that this bed will help.

Novaform lists cooling features in the Serafina's design. They include a plush cover with a cool-touch finish, a Phase Change Material layer, gel memory foam, and enhanced airflow in the comfort layer. The brand says the phase-change layer draws heat away to help regulate sleep temperature. It also links the gel foam with cooling and pressure relief, giving shoppers a clear view of the mattress's listed cooling parts.

Choose Queen if room width is tight; King needs more side-to-side space.

Serafina PerfectTemp 14" Gel Memory Foam Mattress sizes

Height: 14 inches

Novaform describes a four-layer build, with Phase Change gel above a firm foam base.

• The PerfectTemp™ System: Novaform says Phase Change gel is added on top and infused in memory foam.
• Premium Gel Memory Foam: Novaform says its gel memory foam with Phase Change is for cooling and pressure relief.
• Total Adaptive Support.
• Sturdy Base Foam: Novaform describes firm base foam with side handles.

At 98.9 lbs (Queen), plan where to place it before moving it. Novaform says it is Made in USA. For fitted sheets, check the pocket depth against the mattress before buying.

Also in the build: Total Adaptive Support. The sources we read name this layer but not what it is made of.

The cover is quilted with cool-touch fibers, and CertiPUR-US® certification covers the mattress foam, not the whole bed. Novaform says the cover has antimicrobial product protection. It says the certified foam contains no heavy metals, no phthalates, low VOCs, and no ozone depleters. Those certification claims apply to the foam, not the cover.

Novaform says fiberglass is not present in this mattress. The law tag lists the materials, so check it to see the names used for the fire barrier. If material makeup affects your choice, read the tag before buying and decide whether the listed materials suit your needs for this mattress.

The brand says this mattress works with platform beds, standard box springs, and adjustable bases. A slatted base also works when well ventilated, with slats spaced less than six inches apart. The brand says the limited warranty will be void if a base fails to provide proper airflow and support. For a slatted base, the warranty risk applies if it is poorly ventilated or misses the spacing rule.

Novaform recommends occasional flat rotation, not flipping, for best performance. Keep the mattress face up and turn it around, rather than turning it over.

A new feel may take up to 1-2 weeks to get used to, especially if you are used to sleeping on a standard spring mattress. Give yourself that adjustment time before deciding whether its feel suits you. This is a short transition to plan for, not a reason to judge it on the first night.

The brand lists delivery within 5 - 7 business days, so plan around the full window rather than a specific day. Pick a week when you can receive the mattress sometime in that span, and keep your schedule flexible until it arrives.

Novaform says this mattress has a 20-year limited warranty. Treat that as the stated warranty term when weighing the purchase. Keep the warranty terms with your purchase record, so you can refer to them if you need service. Check the written terms before relying on coverage.

Owner feedback is positive on comfort, but firmness is the main trade-off to weigh. Costco lists 4.3 out of 5 stars from 9802 reviews; treat that as a snapshot of Costco customer ratings, not a promise of fit.

Sleep Advisor says reviews praise comfort and coziness, though several people found the Medium too soft. On Reddit, a side-sleeper owner praised the Firm version’s comfort, while another owner found it very firm and added a topper. Check your firmness preference before choosing a version.

Compare the Serafina with Novaform siblings for a different feel or build, then consider rivals for a conforming foam feel or budget-first shopping. Choose by the trade-off you need.

• Pick Platinum 16-5 Luxury Hybrid for targeted support from high-density innerspring coils.
• Choose Legacy Elite Premier 16 for a medium-firm 16-inch mattress.
• Choose Legacy Premier Support 14 for a firmer feel.
• Pick ComfortGrande 14 Advanced Hybrid for responsive coils and firm edge foam.
• Choose ComfortGrande Advanced 14 for its three-layer, 14-inch design.
• Pick Advanced Back Support Plus 12 for a firm foam mattress.
• Choose SoFresh Plus 10 for a removable, machine-washable cover.
• Pick DreamAway 8 for an 8-inch gel-memory-foam profile.

For a conforming memory-foam feel, Saatva Loom & Leaf Mattress may fit better; Sleep Foundation rated it 9.1 overall. For budget-first shopping, Siena 10-inch Signature Memory Foam Mattress may suit you better; Sleep Foundation gave it a 7.5 overall test lab score.

The mattress was updated to the Novaform Serafina PerfectTemp in August 2026. For shoppers comparing product descriptions, use this as the timeline reference for that update and check that the listing name matches before buying this mattress you are considering.

We read the maker's own pages, outside testers and owner reviews, and we date every fact. We do not test beds ourselves. Every source we used is listed below with the day we checked it.