Verdict
Head-to-head · Best Heated Mattress Pads

Serta Heated Mattress Pad Cal King vs Sunbeam Heated Mattress Pad

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

Verdict is reader-supported. As an Amazon Associate we earn from qualifying purchases. Some links on this page are affiliate links — if you click through and buy, we may earn a small commission at no extra cost to you. Our ratings are sourced from independent publications, not sponsors.
The short answer

Serta Heated Mattress Pad Cal King and Sunbeam Heated Mattress Pad score essentially the same (4.0 vs 4.0). Pick the one whose trade-offs match your priorities — the strengths and watch-outs below are where they actually differ.

Serta Heated Mattress Pad Cal King
Ranked #4 in Best Heated Mattress Pads
Serta Heated Mattress Pad Cal King
1 source$122.94as of Sep 25

The Serta Plush Heated Mattress Pad is soft and comfortable, with 10 heat settings and a 1-12 hour auto shut-off timer. Reviewers noted the ultra-soft plush top and even heat distribution, and one user praised how well it kept a guest bedroom warm. It is machine washable and carries a 5-year limited warranty. Some users found it pricey and said the controller placement could be inconvenient. Buyers who want a plush, heated pad are the fit; budget-conscious shoppers are not.

Strengths
  • — 10 heat settings for customizable comfort
  • — 1-12 hour auto shut-off timer for safety
  • — Machine washable for easy care
Watch-outs
  • — Controller location may be inconvenient for some users
Sunbeam Heated Mattress Pad
Ranked #1 in Best Heated Mattress Pads
Sunbeam Heated Mattress Pad
1 source$129.99as of Oct 11

The Sunbeam Restful Quilted Electric Heated Mattress Pad gets positive feedback for dual controllers that let each side of the bed run its own heat setting. Reviewers noted it eases body aches and helps them fall asleep faster. The queen size fits standard beds well, though some found the cords cumbersome. One reviewer called it a luxury item worth keeping on year-round thanks to the adjustable heat settings. It suits anyone who wants individualized warmth, less so anyone after a minimal-cord setup.

Strengths
  • — Two independent controllers allow each side of the bed to have different heat settings and duration
  • — Warmth helps ease body aches and muscle soreness
  • — Queen size fits standard queen beds well
Watch-outs
  • — Plug sits at the foot of the bed and the cords are awkward to hide
  • — Twin and full sizes come with a single controller, not two

How they stack up

Serta Heated Mattress Pad Cal King

The Serta Heated Mattress Pad Cal King has an ultra-soft plush top and 10 heat settings, twice the 5 on the Beautyrest Heated Mattress Pad, and both are machine washable with 5-year warranties. Its 15-inch pocket is shallower than the Beautyrest's 21 inches and the Biddeford Heated Mattress Pad's 19 inches, and it costs more than either. Its 1 to 12 hour shut-off timer compares with a 10-hour shut-off on both.

Sunbeam Heated Mattress Pad

The Sunbeam Heated Mattress Pad has 12 heat settings, more than the 10 on the Sealy Heated Mattress Pad and Biddeford Heated Mattress Pad and the 5 on the Beautyrest Heated Mattress Pad. Its auto shut-off can be set from 1 to 12 hours, where the Biddeford has a 10-hour shutoff. Sleepopolis says the Sunbeam fits mattresses up to 18 inches deep, while the Sealy lists 17 inches and the Biddeford up to 19, and the Biddeford costs far less.

Specs side-by-side

SpecSerta Heated Mattress Pad Cal KingSunbeam Heated Mattress Pad
SizeCal KingQueen
Heat Settings1012 settings
Auto Shut-off1-12 hours1-12 hours
Controller TypeDual (for King size)Dual independent
Warranty5-year limited—
Pocket Depth15 in—
Material—100% polyester
← See the full ranking of best heated mattress pads