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Soft demand (-97.3% this quarter) — this niche doesn't clear our bar today.

Market size 52Growth 0Conversion 25Competition 62Returns 96Price range 83Avg price 86Brand share 38Review moat 24Quality gap 58

Returns

Incredible0.8%

return rate — above 6% kills the launch gate

Avg price

Great€19.38

avg listing price — sweet spot $15–$100

Price range

Great€6.94–€62.28

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

Competition

Good48%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Good€324K

€324K/yr · 836K searches

Brand share

Okay82%

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

Conversion

Okay2.0%

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

Review moat

Bad5,935.75

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-97.3%

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

Competition

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 falling

Sellers

29

Top-5 brand share

82%

Open market

14%

  • TerraTherm33%
  • THE HEAT COMPANY18%
  • Thermopad18%
  • HELLO HEAT9%
  • Thermrup4%
  • Bramble4%
  • Open — no brand owns it (7 brands, 14%)

Product shelf

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

0%4%€13K8%€26K12%€39K16%€52K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 36 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -97.3% search growth over the last 90 days.
70K50KPrime Day '24Spike '24Black Friday '24Holiday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 107.0×

Reviews

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

What buyers love

Wärme57%

“Warm”

beworben Vs Tatsächliches Produkt7%

“Produkte entspricht den Erwartungen”

Qualität insgesamt5%

“Super Produkt”

Heizung5%

“Wärmepats”

Benutzerfreundlichkeit3%

“Handhabung: ok”

Gesamtgröße2%

“Passt”

Effizienz2%

“Es funktioniert super”

Eignung Winterwetter2%

“Im Winter nicht mehr wegzudenken”

Komfort insgesamt2%

“Super Komfort”

Haltbarkeit1%

“Hält lange durch”

What buyers complain about

Heizung24%

“Also da kommt echt null Wärme an”

Wärme17%

“Nicht warm”

Haltbarkeit7%

“Aufreißen 1 Minute in Schuhe perfekt”

Qualität insgesamt6%

“Flop”

Funktionalität insgesamt5%

“Funktioniert nicht”

Komfort insgesamt5%

“Unbequem”

Gesamtgröße4%

“Kurzer Spass”

Benutzerfreundlichkeit3%

“Für mich unpraktisch”

Haftung/Klebrigkeit3%

“Die Klebekraft könnte besser sein”

Griff2%

“verrutscht beim "Einstieg",”

Top return reasons

Gesamtgröße56%
Wärme10%
Heizung10%
Funktionalität insgesamt5%
Gewicht schwer2%
Defekt Material/Teile2%
beworben Vs Tatsächliches Produkt2%
Haltbarkeit2%
Qualität insgesamt1%
Eignung heißes Wetter1%