Is heated mattress pad california king size profitable to sell on Amazon United States?

The niche generates $221K/yr across 18 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -70.1%. Flapen's verdict: Skip it (44/100).

How competitive is the heated mattress pad california king size niche?

10 brands and 14 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 79% of demand.

What do buyers complain about in heated mattress pad california king size?

Top complaints mined from reviews: Heating, Durability, Functionality-Overall. The return rate is 6.6% — above our launch gate.

When does demand for heated mattress pad california king size peak?

Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 16.9× the quietest.

What does it cost to enter the heated mattress pad california king size niche?

Listings span $50.60–$130.36; the average listing price is $88.93 (sweet spot $15–$100). The average incumbent carries 1,233 reviews — the moat a new listing must climb.

heated mattress pad california king size

Skip it

Soft demand (-70.1% this quarter) — this niche doesn't clear our bar today.

Avg price

Great$88.93

avg listing price — sweet spot $15–$100

Conversion

Great7.3%

search→purchase rate — share of searches ending in a sale

Price range

Good$50.60–$130.36

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Good50%

top-5 click share — leaders hold, buyers still browse

Review moat

Good1,233.22

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay79%

top-5 brand share — brands hold most of the demand

Market size

Okay$221K

$221K/yr · 34K searches

Returns

Bad6.6%

return rate — above 5% kills the launch gate

Growth

Bad-70.1%

90-day search growth — must beat 0% to launch

Signals High Returns High Price

According to Flapen's Amazon United States niche tracking, heated mattress pad california king size is a $221K/yr Amazon United States market (34K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 44/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

heated mattress pad california king size market data

Units sold / yr: 2K–3K; avg 0–100/product
Revenue / yr: $178K–$222K; units × avg price
Conversion rate: 7.3%
Avg BSR: #55
Page quality: 0%
Prime: 100%
Sponsored: 78%
Out of stock: 21.7%
Avg brand age: 40 months
Avg seller age: 204 days

Competition & brand share

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 rising

Sellers

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

50%

Top 20: 100%

Open market

14%

Sealy32%
Serta21%
Bwarm9%
Homemate8%
Reaks8%
HOMTEC7%
Open — no brand owns it (4 brands, 14%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -70.1% search growth over the last 90 days.

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 16.9×

Open Trend

Top heated mattress pad california king size search terms

heated mattress pad california king13K/yr -76.5%5.7% conv.
california king heated mattress pad10K/yr -69.1%6.3% conv.
heated mattress pad cal king5K/yr -48.1%6.3% conv.
cal king heated mattress pad6K/yr -68.7%4.9% conv.

All search terms

Top heated mattress pad california king size products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Serta Heated Mattress Pad Cal King Size - Electric Mattress Pad 10 Heat Setting Controller Auto Shut Off Timer Deep Elastic Pocket Up to 17 Mattress ETL Certified Machine Wash Cal King White

Serta$94.794.5★1,526 rev

Sealy Heated Mattress Pad Cal King Size Dual Control with 10 Heat Settings

Sealy$97.824.4★1,898 rev

California King Size Electric Heated Mattress Pad - Bed Warmer with Memory & Preheat Functions 12 Heat Settings Dual Control for 1-12 Hours Auto Off Lighted Button

Reaks$125.634.5★5,437 rev

HOMTEC Heated Mattress Pad California King Size 12 Heat Preheat & Memory

HOMTEC$74.424.7★79 rev

Heated Mattress Pad California King Size Dual Control Electric Mattress Pad Electric Bed Warmer with 10 Heat Settings and & 1-12 Hours Auto Shut Off Fit Up to 8-21 Deep Pocket Machine Washable

Valthie$94.144.7★823 rev

Newest

by launch date

Serta Multi-Zone Heated Mattress Pad Dual Controllers for Personalized Body & Foot Warmth 10 Heat Settings Auto Shut-Off Soft Microfiber Machine Washable 15 Deep Pocket California King Size

Serta$124.20186 rev

9mo ago

HOMTEC Heated Mattress Pad California King Size 12 Heat Preheat & Memory

HOMTEC$74.4279 rev

9mo ago

ACCU-WARMTH Heated Mattress Pad California King Quilted Electric Mattress Pad Bed Warmer with Dual Controllers 6 Heat Settings 10-Hour Auto Off 17 Inch Deep Pocket Machine Washable White

ACCU-WARMTH$51.32287 rev

10mo ago

Yuurom Heated Mattress Pad California King with Memory&Preheat Functions

Yuurom$76.66387 rev

11mo ago

Homemate Heated Mattress Pad California King - 3D Knitted Jacquard Electric Mattress Pad Cal King Bed Warmer with Dual Controller 10 Heated Setting - Auto Off 8 Hours Fit Up to 30 Inch 84x72

Homemate$50.601,708 rev

1y ago

What buyers say about heated mattress pad california king size

What buyers praise and complain about, mined from review topics.

What buyers love

Warmth29%

“It got nice and warm”

Heating16%

“The pad heats quickly”

Foam8%

“We love our Heated Mattress Pad”

Efficiency7%

“Works great”

Alarm/Timer Accuracy5%

“I especially like the timer which allows you to set the number of hours you want it on”

Quality-Overall4%

“NICE QUALITY”

Advertised Vs Actual Product4%

“Works exactly how you would expect”

Comfort-Overall4%

“comfortable”

Functionality-Overall4%

“Otherwise the item works fine”

Value For Money3%

“Good value”

What buyers complain about

Heating27%

“Defective New Heating Element”

Durability16%

“doesnt last”

Functionality-Overall13%

“DOES NOT WORK”

Quality-Overall9%

“Junk”

Warmth8%

“I do wish there was more heat at the foot area”

Instructions/User Manual/Troubleshooting6%

“Lack of directions”

Washability3%

“Never wash it”

Thickness3%

“Also, a little thin so you feel the heating element too much”

Alarm/Timer Accuracy3%

“the timer doesnt work so it doesnt turn off unless you manually turn it off”

Cushion2%

“there is not enough padding to conceal the cables”

Top return reasons

Heating26%

Size-Overall12%

Advertised Vs Actual Product9%

Functionality-Overall8%

Defective Material/Parts6%

Comfort-Overall6%

Product Condition3%

Warmth3%

Cushion3%

Thin3%

Common questions

Is heated mattress pad california king size profitable to sell on Amazon United States?: The niche generates $221K/yr across 18 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -70.1%. Flapen's verdict: Skip it (44/100).
How competitive is the heated mattress pad california king size niche?: 10 brands and 14 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 79% of demand.
What do buyers complain about in heated mattress pad california king size?: Top complaints mined from reviews: Heating, Durability, Functionality-Overall. The return rate is 6.6% — above our launch gate.
When does demand for heated mattress pad california king size peak?: Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 16.9× the quietest.
What does it cost to enter the heated mattress pad california king size niche?: Listings span $50.60–$130.36; the average listing price is $88.93 (sweet spot $15–$100). The average incumbent carries 1,233 reviews — the moat a new listing must climb.