Skip to content
47

greenhouse thermometer

Skip it

Soft demand (-30.5% this quarter) — this niche doesn't clear our bar today.

Market size 23Growth 10Conversion 69Competition 50Returns 84Price range 71Avg price 64Brand share 45Review moat 18Quality gap 70

Returns

Great1.6%

return rate — above 5% kills the launch gate

Price range

Good$5.97–$37.61

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good6.3%

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

Avg price

Good$13.73

avg listing price — sweet spot $15–$100

Competition

Good55%

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

Brand share

Okay78%

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

Market size

Bad$92K

$92K/yr · 106K searches

Review moat

Bad17,132.08

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-30.5%

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

According to Flapen's Amazon United States niche tracking, greenhouse thermometer is a $92K/yr Amazon United States market (106K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Mar–Apr. Verdict: Skip it — 47/100.

Data updated Jul 15, 2026 · scored weekly · How we score niches

greenhouse thermometer market data

Units sold / yr
8K–10K
avg 250–500/product
Revenue / yr
$110K–$137K
units × avg price
Conversion rate
6.3%
Avg BSR
#43
Page quality
0%
Prime
100%
Sponsored
88%
Out of stock
6.6%
Avg brand age
44 months
Avg seller age
189 days

Competition & brand share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 falling

Sellers

35

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

55%

Top 20: 96%

Open market

18%

  • TempPro46%
  • Govee14%
  • DWEPTU8%
  • DOQAUS5%
  • AXHHTVCGY5%
  • Brannan4%
  • Open — no brand owns it (9 brands, 18%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -30.5% search growth over the last 90 days.
4K3KSpike '24Holiday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Apr · busiest ÷ quietest = 3.9×

Top greenhouse thermometer search terms

  • greenhouse thermometer55K/yr
  • greenhouse thermometer and humidity23K/yr
  • greenhouse temperature monitor9K/yr
  • thermometer for greenhouse8K/yr
  • green house thermometer and humidity5K/yr
  • chicken coop temperature monitor3K/yr
  • greenhouse thermometer wifi3K/yr
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.

0%5%$5K10%$9K15%$14K20%$18K101001K10K100K1.0M 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 greenhouse thermometer

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

What buyers love

Value For Money14%

“Good purchase”

Ease Of Use13%

“Easy to Read”

Advertised Vs Actual Product12%

“Better than expected”

Quality-Overall11%

“Great quality, price and arrives ready to use”

Efficiency8%

“Works Great”

Assembly/Installation5%

“Easy set up”

Size-Overall5%

“Fit great”

Temperature Control4%

“Temperature is accurate”

Measurement/Reading Accuracy2%

“Pretty accurate”

Battery Life2%

“Good battery life”

What buyers complain about

Size-Overall15%

“Pretty small”

Measurement/Reading Accuracy13%

“Accuracy sucks”

Durability10%

“Fell apart”

Quality-Overall8%

“Terrible Quality Control”

Functionality-Overall7%

“Never worked”

Battery Life6%

“Battery was DEAD”

Connectivity-Overall5%

“It constantly disconnects”

Temperature Control3%

“Temperature readings off”

Value For Money3%

“A bit pricey for what you get”

Heating3%

“they were extremely hot to the touch”

Top return reasons

Measurement/Reading Accuracy17%
Size-Overall16%
Functionality-Overall14%
Connectivity-Overall13%
Advertised Vs Actual Product7%
Display-Overall6%
Heating5%
Defective Material/Parts5%
Value For Money4%
Compatibility-Overall2%

Common questions

Is greenhouse thermometer profitable to sell on Amazon United States?
The niche generates $92K/yr across 24 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -30.5%. Flapen's verdict: Skip it (47/100).
How competitive is the greenhouse thermometer niche?
15 brands and 35 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 78% of demand.
What do buyers complain about in greenhouse thermometer?
Top complaints mined from reviews: Size-Overall, Measurement/Reading Accuracy, Durability. The return rate is 1.6%.
When does demand for greenhouse thermometer peak?
Demand peaks in Mar–Apr; the busiest month runs 3.9× the quietest.
What does it cost to enter the greenhouse thermometer niche?
Listings span $5.97–$37.61; the average listing price is $13.73 (sweet spot $15–$100). The average incumbent carries 17,132 reviews — the moat a new listing must climb.