---
title: "Aquarium Chiller — $1.1M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/aquarium-chiller"
last_updated: "2026-07-22T21:33:37.418Z"
locale: en
meta:
description: "Niche score 62/100 · $1.1M/yr market · 454K searches/yr · $189.81 avg price. Clears our launch bar. Data updated Jul 2026."
"og:description": "Niche score 62/100 · $1.1M/yr market · 454K searches/yr · $189.81 avg price. Clears our launch bar. Data updated Jul 2026."
"og:title": "Aquarium Chiller — $1.1M/yr Amazon US Niche (2026) - Flapen"
---
# **aquarium chiller**
**Launch it**
A $1.1M/yr market growing +44.3% this quarter with returns at 3.4% — clears our launch bar.
Market size 80Growth 65Conversion 16Competition 60Returns 46Price range 17Avg price 48Brand share 78Review moat 94Quality gap 96
**Quality gap**
**Incredible****4.0★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Great****113.22**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Great****$1.1M**
$1.1M/yr · 454K searches
**Brand share**
**Great****57%**
top-5 brand share — no brand owns this niche
**Growth**
**Good****+44.3%**
90-day search growth — must beat 0% to launch
**Competition**
**Good****49%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Okay****$189.81**
avg listing price — sweet spot $15–$100
**Returns**
**Okay****3.4%**
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**
**Bad****1.3%**
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 ~~](https://flapen.com/research/methodology)
## **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**
**34**
**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.
13K8KSpike '25Prime Day '25Holiday '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 6.8×
[**Open Trend **](https://flapen.com/research/us/pet-supplies/aquarium-chiller/trend)
## **Top aquarium chiller search terms**
- **aquarium chiller**135K/yr+30.7%1.3% conv. - **water chiller**108K/yr+43.1%0.3% conv. - **chiller**44K/yr+46.2%0.2% conv. - **aquarium chiller for axolotl**21K/yr+15.7%2.6% conv. - **aquarium cooler**18K/yr+31.9%2.1% conv. - **aquarium chiller 20 gallon**15K/yr+112.5%1.7% conv. - **fish tank chiller**15K/yr+48.3%1.6% conv. - **water chiller for aquarium**15K/yr+47.3%1.5% conv. - **aquarium water chiller**11K/yr+82.3%1.0% conv. - **chiller for fish tank**12K/yr+36.4%1.6% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/aquarium-chiller/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.
0%10%$111K20%$222K30%$333K40%$444K1101001K Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**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**$43.89**4.4★350 rev](https://www.amazon.com/dp/B0F83J7J9J) [2**BAOSHISHAN 1/10 HP Aquarium Chiller 42 Gallon 160L Water Cooling System**BAOSHISHAN**$276.02**4.1★489 rev](https://www.amazon.com/dp/B0716XSSC4) [3**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**$24.60**4.2★343 rev](https://www.amazon.com/dp/B0DJVBQD4Y) [4**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**$16.34**4.1★402 rev](https://www.amazon.com/dp/B0CL923NL2) [5**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**$35.20**4.4★86 rev](https://www.amazon.com/dp/B0FSXGVRLD)
**~~View all top sellers →~~**
### **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**$43.64**2 rev1mo ago](https://www.amazon.com/dp/B0H336D4CN) [**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**$43.35**3 rev2mo ago](https://www.amazon.com/dp/B0H262H1K2) [**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**$394.04**17 rev2mo ago](https://www.amazon.com/dp/B0GXYKGMWT) [**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**$59.27**13 rev6mo ago](https://www.amazon.com/dp/B0G9KQZGDM) [**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**$116.53**3 rev7mo ago](https://www.amazon.com/dp/B0GRFLFQRP)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$43.64**2.8★**▲ 150%**](https://www.amazon.com/dp/B0H336D4CN) [**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**$116.53**2.8★**▲ 150%**](https://www.amazon.com/dp/B0GRFLFQRP) [**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**$394.04**3.1★**▲ 149%**](https://www.amazon.com/dp/B0GXYKGMWT) [**AKSDSGA 42Gal Aquarium Chiller for Axolotl 1/10HP Water Cooler Fish Tank Chiller Hydroponics Cooling System with Adjustable Temperature 160L Water Chillers for Aquarium Aquaculture**AKSDSGA**$119.59**4.2★**▲ 149%**](https://www.amazon.com/dp/B0FSRYT37Z) [**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**$43.35**4.0★**▲ 146%**](https://www.amazon.com/dp/B0H262H1K2)
**~~View all trending →~~**
## **What buyers say about aquarium chiller**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**14%
*“Build quality is robust throughout”*
**Value For Money**14%
*“Great value for the price”*
**Heating**11%
*“Perfect chiller”*
**Advertised Vs Actual Product**7%
*“Product as described”*
**Ease Of Use**6%
*“Easy to use”*
**Durability**4%
*“Theyre extremely durable”*
**Size-Overall**4%
*“it fits our ta k perfectly”*
**Assembly/Installation**3%
*“Installation isnt necessarily hard”*
**Functionality-Overall**3%
*“it does it's job”*
**Instructions/User Manual/Troubleshooting**3%
*“The instructions were adequate”*
### **What buyers complain about **
**Durability**15%
*“Didnt last”*
**Heating**9%
*“does not cool my very small 10 gallon tank”*
**Functionality-Overall**9%
*“concept doesnt get results”*
**Size-Overall**5%
*“a smaller sized power supply”*
**Instructions/User Manual/Troubleshooting**5%
*“Instruction manual is worthless”*
**Leak-Proof**5%
*“Leaks”*
**Value For Money**4%
*“this is such bad advertising its not worth it even if it was 1$ do not buy”*
**Assembly/Installation**3%
*“installation takes some patience”*
**Temperature Retention**3%
*“doesnt do a lot to cool down the coffee as it brews”*
**Strength**3%
*“Not strong enough to cool down my 20 gal tank”*
### **Top return reasons **
**Size-Overall**33%
**Functionality-Overall**19%
**Advertised Vs Actual Product**11%
**Compatibility-Overall**6%
**Value For Money**5%
**Defective Material/Parts**5%
**Heating**4%
**Leak-Proof**3%
**Strength**3%
**Product Condition**2%
## **Common questions**
- **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.
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