Is aquarium chiller profitable to sell on Amazon United States?

The niche generates $1.1M/yr across 36 tracked products. 6 of 10 products launched in the last 360 days are still selling. 90-day search growth is +44.3%. Flapen's verdict: Launch it (62/100).

How competitive is the aquarium chiller niche?

28 brands and 34 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 57% of demand.

What do buyers complain about in aquarium chiller?

Top complaints mined from reviews: Durability, Heating, Functionality-Overall. The return rate is 3.4%.

When does demand for aquarium chiller peak?

Demand peaks in Apr–May–Jun–Jul; the busiest month runs 6.8× the quietest.

What does it cost to enter the aquarium chiller niche?

Listings span $7.93–$497.70; the average listing price is $189.81 (sweet spot $15–$100). The average incumbent carries 113 reviews — the moat a new listing must climb.

aquarium chiller

Launch it

A $1.1M/yr market growing +44.3% this quarter with returns at 3.4% — clears our launch bar.

Quality gap

Incredible4.0★

avg incumbent rating — lower means beatable quality

Review moat

Great113.22

avg incumbent reviews — the moat a new listing must climb

Market size

Great$1.1M

$1.1M/yr · 454K searches

Brand share

Great57%

top-5 brand share — no brand owns this niche

Growth

Good+44.3%

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

Competition

Good49%

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

Avg price

Okay$189.81

avg listing price — sweet spot $15–$100

Returns

Okay3.4%

return rate — above 6% kills the launch gate

Price range

Bad$7.93–$497.70

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

Conversion

Bad1.3%

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

According to Flapen's Amazon United States niche tracking, aquarium chiller is a $1.1M/yr Amazon United States market (454K searches/yr). The top 5 brands hold 57% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Launch it — 62/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

aquarium chiller market data

Units sold / yr: 5K–6K; avg 100–250/product
Revenue / yr: $949K–$1.1M; units × avg price
Launch success: 60%; 6 of 10 new (360d)
Conversion rate: 1.3%
Avg BSR: #593
Page quality: 0%
Prime: 78%
Sponsored: 89%
Out of stock: 4.8%
Avg brand age: 39 months
Avg seller age: 162 days

Competition & brand share

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.

Brands

28 falling

Sellers

Top-5 brand share

57%

Top 20: 91%

Top-5 click share

49%

Top 20: 80%

Open market

39%

AQUASMITH25%
BAOSHISHAN12%
PAIZOO8%
Poafamx7%
AIEVE5%
VEVOR4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +44.3% search growth over the last 90 days.

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 6.8×

Open Trend

Top aquarium chiller search terms

aquarium chiller135K/yr +30.7%1.3% conv.
water chiller108K/yr +43.1%0.3% conv.
chiller44K/yr +46.2%0.2% conv.
aquarium chiller for axolotl21K/yr +15.7%2.6% conv.
aquarium cooler18K/yr +31.9%2.1% conv.
aquarium chiller 20 gallon15K/yr +112.5%1.7% conv.
fish tank chiller15K/yr +48.3%1.6% conv.
water chiller for aquarium15K/yr +47.3%1.5% conv.
aquarium water chiller11K/yr +82.3%1.0% conv.
chiller for fish tank12K/yr +36.4%1.6% conv.

All search terms

Top aquarium chiller 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 36 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

AQUASMITH Aquarium Chiller Fan Fish Tank Cooler with Temperature Control Minimum Setting 59 Auto Start/Stop Refrigeration Effect 3-7 3-Speed Modes for Axolotl Seawater Freshwater Coral Grass Tank

AQUASMITH$43.894.4★350 rev

BAOSHISHAN 1/10 HP Aquarium Chiller 42 Gallon 160L Water Cooling System

BAOSHISHAN$276.024.1★489 rev

PAIZOO Aquarium Chiller Fan Ultra-Quiet Fish Tank Cooling Fans 3 Speed Modes Aquarium Cooler Water Chiller for Axolotl Tank Accessories Freshwater Saltwater Tanks 6.4W

PAIZOO$24.604.2★343 rev

AIEVE 2 Pack Espresso Cooling Ball Stainless Steel Frozen Ice Rock for Coffee Espresso Accessories Extract Brew Chilling Tool Chiller Gift for Birthday Valentines Day Christmas

AIEVE$16.344.1★402 rev

Aquarium Fan Ultra-Quiet Fish Tank Cooler More Powerful Cooling Effect 3-7 with 3 Speed Modes Adjustable Applicable Aquariums with or Without Edges for Axolotl Seawater Freshwater Coral Grass Tank

AQUASMITH$35.204.4★86 rev

Newest

by launch date

KEARIXM Aquarium Chiller Water Chiller for Fish Tank Aquarium Cooler for Coral Reef Cold Plunge Chiller for Hydroponics Aquarium Water Chiller 30L/7.93GAL

KEARIXM$43.642 rev

1mo ago

CUBELLIN Aquarium Chiller 30L/7.9 Gal Fish Pond Chiller Dc 12v Mini Tank Chiller for Axolotl 1-3L/Min Circulation Pump 10-40C Digital Temperature Control for Fish Shrimp & Coral Tanks

CUBELLIN$43.353 rev

2mo ago

EONIX 1/2HP Upgraded Cold Plunge Chiller Ice Bath Water Chiller for Cold Plunge Tubs Built-in Filter & Water Pump Insulated Hoses Quiet Operation Ice Bath Chiller for Cold Therapy Recovery 110V

EONIX$394.0417 rev

2mo ago

HEZHHA 30L/7.93GAL 100W Aquarium Chiller Water Chiller Constant Temperature Cooling System with Low Noise & Circulation Pump for Fish Tank Axolotl Coral Reef and Hydroponics

HEZHHA$59.2713 rev

6mo ago

Carfree Fish Aquarium Chiller Semiconductor Technology Cooling Water Low Noise 35dB Long Service Life Small Size Energy-Saving for 8Gal Tank(Patent No.: US D1065431S)

Carefree Fish$116.533 rev

7mo ago

What buyers say about aquarium chiller

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

What buyers love

Quality-Overall14%

“Build quality is robust throughout”

Value For Money14%

“Great value for the price”

Heating11%

“Perfect chiller”

Advertised Vs Actual Product7%

“Product as described”

Ease Of Use6%

“Easy to use”

Durability4%

“Theyre extremely durable”

Size-Overall4%

“it fits our ta k perfectly”

Assembly/Installation3%

“Installation isnt necessarily hard”

Functionality-Overall3%

“it does it's job”

Instructions/User Manual/Troubleshooting3%

“The instructions were adequate”

What buyers complain about

Durability15%

“Didnt last”

Heating9%

“does not cool my very small 10 gallon tank”

Functionality-Overall9%

“concept doesnt get results”

Size-Overall5%

“a smaller sized power supply”

Instructions/User Manual/Troubleshooting5%

“Instruction manual is worthless”

Leak-Proof5%

“Leaks”

Value For Money4%

“this is such bad advertising its not worth it even if it was 1$ do not buy”

Assembly/Installation3%

“installation takes some patience”

Temperature Retention3%

“doesnt do a lot to cool down the coffee as it brews”

Strength3%

“Not strong enough to cool down my 20 gal tank”

Top return reasons

Size-Overall33%

Functionality-Overall19%

Advertised Vs Actual Product11%

Compatibility-Overall6%

Value For Money5%

Defective Material/Parts5%

Heating4%

Leak-Proof3%