Is greenhouse thermometer profitable to sell on Amazon United Kingdom?

The niche generates £96K/yr across 20 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +2.7%. Flapen's verdict: Worth a look (50/100).

How competitive is the greenhouse thermometer niche?

15 brands and 31 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 75% of demand.

What do buyers complain about in greenhouse thermometer?

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

When does demand for greenhouse thermometer peak?

Demand peaks in Mar–Apr–May; the busiest month runs 4.4× the quietest.

What does it cost to enter the greenhouse thermometer niche?

Listings span £3.34–£19.45; the average listing price is £8.33 (sweet spot $15–$100). The average incumbent carries 3,046 reviews — the moat a new listing must climb.

greenhouse thermometer

Worth a look

Shows low returns (0.6%), but pricing outside the sweet spot ($8.33 avg) keeps it on the watch list.

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Conversion

Great9.2%

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Competition

Good54%

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

Brand share

Okay75%

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

Review moat

Okay3,046.2

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+2.7%

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

Price range

Okay£3.34–£19.45

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

Market size

Bad£96K

£96K/yr · 125K searches

Avg price

Bad£8.33

avg listing price — sweet spot $15–$100

According to Flapen's Amazon United Kingdom niche tracking, greenhouse thermometer is a £96K/yr Amazon United Kingdom market (125K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Mar–Apr–May. Verdict: Worth a look — 50/100.

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

greenhouse thermometer market data

Units sold / yr: 13K–15K; avg 250–500/product
Revenue / yr: £104K–£125K; units × avg price
Conversion rate: 9.2%
Avg BSR: #28
Page quality: 0%
Prime: 100%
Sponsored: 75%
Out of stock: 2.3%
Avg brand age: 42 months
Avg seller age: 194 days

Competition & brand share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 falling

Sellers

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

54%

Top 20: 100%

Open market

20%

Brannan31%
TempPro22%
BaldrTherm8%
ETI Electronic Temperature Instruments Ltd.7%
SOL7%
Govee5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +2.7% search growth over the last 90 days.

Peak months: Mar, Apr, May · busiest ÷ quietest = 4.4×

Open Trend

Top greenhouse thermometer search terms

greenhouse thermometer73K/yr +4.1%3.3% conv.
greenhouse thermometer uk17K/yr -20.9%2.6% conv.
max min thermometer8K/yr +21.6%3.3% conv.
maximum minimum thermometer6K/yr +29.6%4.1% conv.
max min thermometer greenhouse6K/yr -20.9%5.5% conv.
max min thermometer outdoor6K/yr +43.2%2.4% conv.
green house thermometer4K/yr +2.5%2.7% conv.
min max thermometer5K/yr +55.1%2.5% conv.

All search terms

Top greenhouse 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 20 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Brannan Digital Max Min Thermometer Stylish Quickset Greenhouse Thermometer to Monitor Maximum and Minimum Temperatures in a Garden Greenhouse Indoor Room Home Growroom Easily Wall Mounted

Brannan£7.514.2★82 rev

Brannan Digital Max Min Greenhouse Thermometer - Monitor Maximum and Minimum Temperatures For Use In The Garden or Home Indoor Outdoor Greenhouse Accessories Easily Wall Mounted (Green)

Brannan£11.404.4★2,166 rev

TempPro TP50 Digital Thermo-Hygrometer Room Thermometer Humidity Meter

TempPro£7.394.5★6,815 rev

Digital Thermometer and Hygrometer Meter Solar-Powered Indoor Temperature Sensor Humidity Monitor Humidity Gauge for Baby Rooms Bedrooms Home Office and Wine Cellars (1 White 2.2)

BaldrTherm£7.194.3★61 rev

TempPro Digital Greenhouse Thermo-Hygrometer Max/Min Garden Thermometer

TempPro£9.124.5★198 rev

Newest

by launch date

GRIFEMA GA2902B Small Digital Hygrometer Indoor Room Thermometer Temperature Monitor and Humidity Meter for Home Office Black

GRIFEMA£4.25229 rev

4mo ago

TempPro TP50 Digital Thermo-Hygrometer Room Thermometer Humidity Meter

TempPro£7.396,815 rev

8mo ago

Digital Thermometer and Hygrometer Meter Solar-Powered Indoor Temperature Sensor Humidity Monitor Humidity Gauge for Baby Rooms Bedrooms Home Office and Wine Cellars (1 White 2.2)

BaldrTherm£7.1961 rev

10mo ago

TempPro Digital Greenhouse Thermo-Hygrometer Max/Min Garden Thermometer

TempPro£9.12198 rev

1y ago

HOTUT 2 Pack Digital Room Thermometer Indoor Hygrometer Digital Hygrometer with Max and Min Records for Temperature and Humidity Temperature and Humidity Monitor for Home Bedroom Baby Room Office

HOTUT£8.01245 rev

1y ago

What buyers say about greenhouse thermometer

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

What buyers love

Value For Money18%

“Excellent value”

Quality-Overall15%

“Excellent product”

Ease Of Use13%

“Easy to read”

Advertised Vs Actual Product12%

“As Described”

Size-Overall4%

“It's a nice compact size”

Display-Overall4%

“The display is straightforward”

Measurement/Reading Accuracy3%

“It is very accurate”

Heating3%

“I have several of these around the house which help me manage heating”

Temperature Control3%

“Handy thermostat”

Efficiency3%

“Works ok”

What buyers complain about

Measurement/Reading Accuracy14%

“I suspect the latter may be providing a less reliable reading”

Quality-Overall10%

“Buy better quality”

Size-Overall10%

“much larger”

Durability8%

“It broke”

Functionality-Overall6%

“Not working”

Value For Money5%

“And cheaper”

Connectivity-Overall5%

“will not connected unless you are in the same room”

Battery Life5%

“Becomes e-waste when the single-use alkaline battery dies (1 year lifespan)”

Advertised Vs Actual Product3%

“Misleading information”

Heating3%

“In the summer I have rooms which become very uncomfortable with the heat rising to over 30.0°C”

Top return reasons

Functionality-Overall24%

Measurement/Reading Accuracy20%

Connectivity-Overall10%

Size-Overall9%

Defective Material/Parts7%

Display-Overall6%

Heating5%