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39

lh33zs004

Skip it

Soft demand (-84.7% this quarter) — this niche doesn't clear our bar today.

Market size 17Growth 0Conversion 100Competition 15Returns 20Price range 95Avg price 94Brand share 38Review moat 75Quality gap 50

Conversion

Incredible28.6%

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

Price range

Incredible$16.23–$29.78

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

Avg price

Great$22.63

avg listing price — sweet spot $15–$100

Review moat

Good502.5

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay82%

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

Returns

Bad6.5%

return rate — above 5% kills the launch gate

Market size

Bad$68K

$68K/yr · 10K searches

Competition

Bad82%

top-5 click share — a locked-up shelf

Growth

Bad-84.7%

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

According to Flapen's Amazon United States niche tracking, lh33zs004 is a $68K/yr Amazon United States market (10K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 39/100.

Data updated Jul 6, 2026 · scored weekly · How we score niches

lh33zs004 market data

Units sold / yr
1K–1K
avg 0–100/product
Revenue / yr
$23K–$28K
units × avg price
Conversion rate
28.6%
Avg BSR
#146
Page quality
0%
Prime
100%
Sponsored
63%
Out of stock
5.6%
Avg brand age
44 months
Avg seller age
220 days

Competition & brand share

The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 flat

Sellers

18

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

82%

Top 20: 100%

Open market

11%

  • Robertshaw24%
  • BlueStars23%
  • DURALIGHT21%
  • BOGDA7%
  • Fetechmate7%
  • jjxeqo6%
  • Open — no brand owns it (2 brands, 11%)

Demand

Weekly Amazon search volume, last 22 weeks — -84.7% search growth over the last 90 days.
600400Feb '26Feb '26Mar '26Apr '26Apr '26May '26Jun '26

Top lh33zs004 search terms

  • lh33zs0044K/yr
  • bryant furnace igniter4K/yr
  • carrier furnace ignitor3K/yr
All search terms

Top lh33zs004 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%10%$7K20%$14K30%$20K40%$27K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

What buyers say about lh33zs004

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

What buyers love

Size-Overall42%

“Exact fit”

Value For Money11%

“What impressed me most was the cost savings”

Maintenance And Repair11%

“It was one of the easiest home repairs I've done in a long time”

Advertised Vs Actual Product10%

“Works as described”

Durability6%

“has been running great for over a week now”

Compatibility-Overall6%

“Works for me”

Quality-Overall4%

“appeared to be good quality”

Efficiency4%

“Working”

Ease Of Use4%

“was easy to replace”

What buyers complain about

Size-Overall20%

“its not going to fit without damaging something”

Quality-Overall20%

“Poor quality product”

Durability13%

“This product was installed on a Friday even, once received, and was completely dead that following Monday”

Heating12%

“Dont want to return it because its been too cold”

Strength10%

“Brittle part”

Value For Money5%

“not worth the price”

Defective Material/Parts5%

“Brittle part”

Top return reasons

Defective Material/Parts32%
Size-Overall20%
Compatibility-Overall15%
Durability5%
Functionality-Overall5%
Advertised Vs Actual Product4%
Value For Money3%
Maintenance And Repair3%
Heating3%
Product Condition3%

Common questions

Is lh33zs004 profitable to sell on Amazon United States?
The niche generates $68K/yr across 8 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -84.7%. Flapen's verdict: Skip it (39/100).
How competitive is the lh33zs004 niche?
8 brands and 18 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 82% of demand.
What do buyers complain about in lh33zs004?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 6.5% — above our launch gate.
What does it cost to enter the lh33zs004 niche?
Listings span $16.23–$29.78; the average listing price is $22.63 (sweet spot $15–$100). The average incumbent carries 503 reviews — the moat a new listing must climb.