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51

thermostat

Worth a look

Shows a $23.6M/yr market, but high returns (10.8%) keeps it on the watch list.

Market size 100Growth 23Conversion 35Competition 77Returns 4Price range 36Avg price 74Brand share 36Review moat 24Quality gap 70

Market size

Incredible$23.6M

$23.6M/yr · 8.2M searches

Competition

Great38%

top-5 click share — an open shelf

Avg price

Good$103.28

avg listing price — sweet spot $15–$100

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Brand share

Okay84%

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

Price range

Okay$21.88–$241.68

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

Conversion

Okay2.8%

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

Review moat

Bad5,872.6

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-4.7%

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

Returns

Bad10.8%

return rate — above 5% kills the launch gate

According to Flapen's Amazon United States niche tracking, thermostat is a $23.6M/yr Amazon United States market (8.2M searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 51/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

thermostat market data

Units sold / yr
250K–300K
avg 4,000–5,000/product
Revenue / yr
$25.8M–$31.0M
units × avg price
Conversion rate
2.8%
Avg BSR
#21
Page quality
0%
Prime
100%
Sponsored
87%
Out of stock
1.1%
Avg brand age
50 months
Avg seller age
145 days

Competition & brand share

Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.

Brands

14 flat

Sellers

571

Top-5 brand share

84%

Top 20: 100%

Top-5 click share

38%

Top 20: 77%

Open market

13%

  • Honeywell Home38%
  • Google17%
  • Sensi15%
  • ecobee9%
  • Riseem5%
  • vine4%
  • Open — no brand owns it (8 brands, 13%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -4.7% search growth over the last 90 days.
300K200KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 1.8×

Top thermostat search terms

  • thermostat1.9M/yr
  • smart thermostat1.3M/yr
  • thermostat for house1.0M/yr
  • honeywell thermostat835K/yr
  • smart thermostats for home539K/yr
  • thermostat for car509K/yr
  • wifi thermostat341K/yr
  • programmable thermostat201K/yr
  • wifi thermostats for home198K/yr
  • sensi thermostat155K/yr
All search terms

Top thermostat 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.

0%3%$707K6%$1.4M9%$2.1M12%$2.8M101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about thermostat

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

What buyers love

Assembly/Installation29%

“EASY install”

Ease Of Use15%

“Make Life Easy”

Value For Money8%

“fair price”

Quality-Overall7%

“The quality is solid”

Efficiency5%

“Works flawlessly”

Connectivity-Overall4%

“No connection issues”

Advertised Vs Actual Product3%

“As advertised”

Design-Overall3%

“Sleek Design”

Remote Control2%

“Remote Control Features Work Great”

Compatibility-Overall2%

“compatible with apple iphone”

What buyers complain about

Connectivity-Overall14%

“Difficult to connect”

Functionality-Overall12%

“Poor functionality”

Durability8%

“Failed within 10 months”

Quality-Overall8%

“Poor quality control”

Assembly/Installation8%

“Difficult to install”

Value For Money6%

“Could be better for the price”

Compatibility-Overall5%

“Not compatible”

Instructions/User Manual/Troubleshooting4%

“No directions”

Ease Of Use3%

“Not user friendly”

Measurement/Reading Accuracy3%

“Calibration problems”

Top return reasons

Compatibility-Overall40%
Functionality-Overall19%
Connectivity-Overall12%
Defective Material/Parts5%
Value For Money4%
Size-Overall4%
Assembly/Installation3%
Advertised Vs Actual Product3%
Product Condition2%
Color2%

Common questions

Is thermostat profitable to sell on Amazon United States?
The niche generates $23.6M/yr across 45 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is -4.7%. Flapen's verdict: Worth a look (51/100).
How competitive is the thermostat niche?
14 brands and 571 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 84% of demand.
What do buyers complain about in thermostat?
Top complaints mined from reviews: Connectivity-Overall, Functionality-Overall, Durability. The return rate is 10.8% — above our launch gate.
When does demand for thermostat peak?
Demand peaks in Nov–Dec; the busiest month runs 1.8× the quietest.
What does it cost to enter the thermostat niche?
Listings span $21.88–$241.68; the average listing price is $103.28 (sweet spot $15–$100). The average incumbent carries 5,873 reviews — the moat a new listing must climb.