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Aquarium Heater

Maybe

Shoppers spend an estimated $2.5M a year here. But demand is soft, at -44.5% this quarter, so Aquarium Heater is a Maybe.

Flapen Score
55
55 / 100
Top 30% of 3,978 Pet Supplies niches · +4 vs the category median of 51
Market size
$2.5M/yr2.2M searches / yr
90-day growth
-44.5%search demand this quarter
Competition
52%top-5 click share · 10 brands · 32 sellers

Flapen Score

Aquarium Heater against its category

The dotted line is the Pet Supplies average. Past it, Aquarium Heater is stronger. Inside it, weaker.

55Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Aquarium Heater market on Amazon at a glance

Shoppers on Amazon United States searched for Aquarium Heater 2.2M times last year and spent an estimated $2.5M. The top 5 brands take 80% of clicks. Demand peaks in Jan–Oct–Nov–Dec. Flapen scores it 55 out of 100, a Maybe.

01 · Demand

An estimated 5.8% of those searches ended in a purchase.

Shoppers searched for this 2.2M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.8% of those searches ended in a purchase. Searches in the last 90 days moved -44.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $2.5M a year.

Searches, last 12 months
2.2M
Growth, 90 days vs prior 90
-44.5%
Conversion, latest week
5.8%
Market size, estimated
$2.5Ma year
Peak month
December3.8× the quietest month
Top search term
aquarium heater935K searches a year

02 · Price

A sale here is worth $19.86.

Listings sell for $19.86 on average, from $6.67 to $45.65. Amazon reports units sold in ranges. This niche sold 80K to 100K a year. The average listing sells 3,000 to 4,000 of them. At $19.86 that is $60K to $79K a year per listing.

Average price
$19.86inside the $15 to $100 sweet spot
Price range
$6.67–$45.65
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
80K–100K
Units per listing a year
3,000–4,000
Revenue per listing a year
$60K–$79K
Returns
3.2%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

81% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #10 within Fish & Aquatic Pets. It carries 3,111 reviews at 4.36 stars, so a new listing needs social proof before a better product.

Sponsored listings
81%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#10in Fish & Aquatic Pets
Average rating
4.36 starsAmazon United States average 4.42 stars
Average reviews
3,111per listing
Listings tracked
27

04 · Newcomers

3 of last year's 3 launches cleared the first-year sales bar.

3 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 61 months on average, so the names here are established.

Launched, last 12 months
3
Successful launches
3Amazon's first-year sales bar
Average brand age
61 months

Products

Top Aquarium Heater products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 52% of clicks. Leaders hold, but buyers still shop past them.

Brands

10 falling

Sellers

32

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

52%

Top 20: 93%

Open market

12%

  • Brand 123%
  • Brand 218%
  • Brand 315%
  • Brand 415%
  • Brand 59%
  • Brand 68%
  • Open — no brand owns it (4 brands, 12%)

Demand

Aquarium Heater search demand

Weekly searches over the year, seasonality beneath. Pick a range.

175K125KSpike '24Holiday '24Spike '25Black Friday '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 3.8×

Search terms

Top Aquarium Heater search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • aquarium heater935K/yr
  • fish tank heater495K/yr
  • heater for fish tank107K/yr
  • aquarium heater 20 gallon70K/yr
  • tank heater55K/yr
  • aquarium heater 10 gallon22K/yr
  • fish tank heater 20 gallon38K/yr
  • aquarium heaters85K/yr
  • fish tank heater 10 gallon42K/yr
  • 10 gallon fish tank heater33K/yr

Reviews and returns

What reviews say buyers love and hate about Aquarium Heater

We read the reviews and the return reasons for every product selling here.

35%of positive reviews mention “Heating”
36%of negative reviews mention “Heating”
3.2%of orders come back
“Overheated”
A buyer, on “Heating”36% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

18 topics

NegativePositive

FAQ

Common Aquarium Heater questions

Answered from the same tracked data.