Is room thermometer profitable to sell on Amazon United Kingdom?

The niche generates £774K/yr across 31 tracked products. 4 of 7 products launched in the last 360 days are still selling. 90-day search growth is +63.4%. Flapen's verdict: Worth a look (64/100).

How competitive is the room thermometer niche?

20 brands and 28 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 69% of demand.

What do buyers complain about in room thermometer?

Top complaints mined from reviews: Size-Overall, Measurement/Reading Accuracy, Quality-Overall. The return rate is 0.6%.

When does demand for room thermometer peak?

Demand peaks in Jan–Nov; the busiest month runs 2.8× the quietest.

What does it cost to enter the room thermometer niche?

Listings span £3.47–£16.77; the average listing price is £6.60 (sweet spot $15–$100). The average incumbent carries 9,163 reviews — the moat a new listing must climb.

room thermometer

Worth a look

Shows low returns (0.6%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Conversion

Great9.1%

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

Growth

Great+63.4%

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

Market size

Good£774K

£774K/yr · 1.3M searches

Brand share

Good69%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Good51%

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

Review moat

Bad9,162.84

avg incumbent reviews — the moat a new listing must climb

Avg price

Bad£6.60

avg listing price — sweet spot $15–$100

Price range

Bad£3.47–£16.77

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

According to Flapen's Amazon United Kingdom niche tracking, room thermometer is a £774K/yr Amazon United Kingdom market (1.3M searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Jan–Nov. Verdict: Worth a look — 64/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

room thermometer market data

Units sold / yr: 125K–150K; avg 4,000–5,000/product
Revenue / yr: £825K–£990K; units × avg price
Conversion rate: 9.1%
Avg BSR: #17
Page quality: 0%
Prime: 100%
Sponsored: 94%
Out of stock: 6.3%
Avg brand age: 41 months
Avg seller age: 178 days

Competition & brand share

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.

Brands

20 rising

Sellers

Top-5 brand share

69%

Top 20: 100%

Top-5 click share

51%

Top 20: 89%

Open market

27%

TempPro42%
Antonki10%
flintronic8%
FUMMDUS5%
SOL4%
DOQAUS4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +63.4% search growth over the last 90 days.

Peak months: Jan, Nov · busiest ÷ quietest = 2.8×

Open Trend

Top room thermometer search terms

room thermometer388K/yr +116.3%7.1% conv.
thermometer room temperature82K/yr +215.4%7.0% conv.
hygrometer145K/yr -14.4%5.3% conv.
room thermometer indoor79K/yr +86.5%8.2% conv.
thermometer room52K/yr +131.7%6.5% conv.
humidity meter101K/yr -17.9%6.4% conv.
thermometers & meteorological instruments77K/yr +40.9%0.3% conv.
indoor thermometer38K/yr +224.8%6.2% conv.
room temperature monitor41K/yr +40.1%7.4% conv.
temperature gauge28K/yr +148.2%4.7% conv.

All search terms

Top room thermometer 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

TempPro TP49 Small Digital Hygrometer Indoor Thermometer Room Thermometer

TempPro£6.644.6★10,497 rev

TempPro TP157 Digital Hygrometer Indoor Thermometer Baby Room Thermometer

TempPro£5.174.5★9,212 rev

TempPro TP50 Digital Thermo-Hygrometer Room Thermometer Humidity Meter

TempPro£7.394.5★6,815 rev

Antonki 2 Pack Room Thermometer for Home Indoor Hygrometer Humidity Meter Gauge Digital Temperature and Humidity Sensor Monitor for House Terrarium Incubator Greenhouse - Battery Included

Antonki£6.664.5★6,231 rev

flintronic 1pc Room Thermometer Hygrometer Indoor Mini Digital Temperature Humidity Meter Gauge Accurate Hygrometer with Clear LCD Display and Face Icons for Home Baby Office Garden(with Battery)

flintronic£3.564.3★8,811 rev

Newest

by launch date

GRIFEMA GA2902 Small Digital Hygrometer Indoor Room Thermometer Temperature Monitor and Humidity Meter for Home Office White

GRIFEMA£4.31229 rev

4mo ago

CNMTCCO Digital Room Thermometer Indoor 4 Pack Hygrometer Humidity Meter for Baby Nursery Home Greenhouse Temperature and Humidity Monitor with Clear LCD Display(White)

CNMTCCO£8.64564 rev

5mo ago

Boulton Small Digital Hygrometer Room Temperature Thermometer Mini Indoor Temperature and Humidity Monitor with LCD Display Face Icon for Home Office Comfort Reptile Greenhouse Garden

BOULTON UK£3.4926 rev

6mo ago

TempPro TP50 Digital Thermo-Hygrometer Room Thermometer Humidity Meter

TempPro£7.396,815 rev

8mo ago

FUMMDUS Digital Room Thermometer Indoor 5s Refresh Temperature and Humidity Monitor With Comfort Icon AAA Batteries Hygrometers for Terrariums Home Greenhouse Office Thermometers

FUMMDUS£5.93186 rev

1y ago

What buyers say about room thermometer

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

What buyers love

Value For Money18%

“Good value for money”

Quality-Overall15%

“Excellent product”

Ease Of Use14%

“Easy to order”

Advertised Vs Actual Product10%

“It does what it says”

Size-Overall5%

“Small and convenient”

Display-Overall3%

“Clear display”

Battery Life3%

“battery life is great”

Efficiency3%

“It does the job”

Measurement/Reading Accuracy2%

“seems accurate so far”

Temperature Control2%

“Handy thermostat”

What buyers complain about

Size-Overall20%

“much larger”

Measurement/Reading Accuracy10%

“Temp reading is incorrect”

Quality-Overall9%

“Buy better quality”

Durability8%

“Broken”

Battery Life7%

“Ran out of battery”

Value For Money6%

“And cheaper”

Functionality-Overall5%

“Only 3 of the 4 devices work”

Connectivity-Overall3%

“Bluetooth feature doesnt work”

Heating3%

“One of the thermometers does not work”

Advertised Vs Actual Product2%

“not a great advert”

Top return reasons

Functionality-Overall25%

Size-Overall17%

Measurement/Reading Accuracy16%

Defective Material/Parts8%

Connectivity-Overall7%

Display-Overall5%

Heating5%

Quality-Overall3%

Advertised Vs Actual Product3%

Value For Money2%

Common questions

Is room thermometer profitable to sell on Amazon United Kingdom?: The niche generates £774K/yr across 31 tracked products. 4 of 7 products launched in the last 360 days are still selling. 90-day search growth is +63.4%. Flapen's verdict: Worth a look (64/100).
How competitive is the room thermometer niche?: 20 brands and 28 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 69% of demand.
What do buyers complain about in room thermometer?: Top complaints mined from reviews: Size-Overall, Measurement/Reading Accuracy, Quality-Overall. The return rate is 0.6%.
When does demand for room thermometer peak?: Demand peaks in Jan–Nov; the busiest month runs 2.8× the quietest.
What does it cost to enter the room thermometer niche?: Listings span £3.47–£16.77; the average listing price is £6.60 (sweet spot $15–$100). The average incumbent carries 9,163 reviews — the moat a new listing must climb.