---
title: "Ac Flush Solvent — $267K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/ac-flush-solvent"
last_updated: "2026-08-09T12:37:37.563Z"
locale: en
meta:
description: "Niche score 60/100 · $267K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 60/100 · $267K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Ac Flush Solvent — $267K/yr Amazon US Niche (2026) - Flapen"
---
# **ac flush solvent**
**Worth a look**
Shows demand growing +166.6% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 49Growth 96Conversion 86Competition 23Returns 79Price range 55Avg price 95Brand share 42Review moat 83Quality gap 28
**Growth**
**Incredible****+166.6%**
90-day search growth — must beat 0% to launch
**Avg price**
**Incredible****$43.51**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****9.7%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Great****343.77**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Great****1.8%**
return rate — above 5% kills the launch gate
**Price range**
**Good****$16.00–$169.29**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$267K**
$267K/yr · 63K searches
**Brand share**
**Okay****80%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****73%**
top-5 click share — a locked-up shelf
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)")
According to Flapen's Amazon United States niche tracking, ac flush solvent is a $267K/yr Amazon United States market (63K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 60/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ac flush solvent market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$261K–$348K**
- units × avg price
- **Conversion rate**
- **9.7%**
- **Avg BSR**
- **#157**
- **Page quality**
- **0%**
- **Prime**
- **69%**
- **Sponsored**
- **92%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **74 months**
- **Avg seller age**
- **162 days**
## **Competition & brand share**
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**11 **▼falling
**Sellers**
**53**
**Top-5 brand share**
**80%**
Top 20: 100%
**Top-5 click share**
**73%**
Top 20: 100%
**Open market**
**15%**
- TSI Supercool40% - Mastercool13% - FOUR UNCLES12% - Four Seasons8% - FJC7% - Orion Motor Tech5% - Open — no brand owns it (5 brands, 15%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +166.6% search growth over the last 90 days.
3K2KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 14.1×
[**Open Trend **](https://flapen.com/research/us/automotive/ac-flush-solvent/trend)
## **Top ac flush solvent search terms**
- **ac flush solvent**22K/yr+174.4%9.6% conv. - **ac flush**21K/yr+164.7%7.3% conv. - **a/c flush**5K/yr+151.5%7.9% conv. - **a/c flush solvent**5K/yr+164.6%11.2% conv. - **ac system flush solvent**4K/yr+232.9%5.7% conv. - **ac system flush**3K/yr+96.8%4.2% conv. - **ac line flush**3K/yr+173.9%3.1% conv. [**All search terms **](https://flapen.com/research/us/automotive/ac-flush-solvent/search-terms)
## **Top ac flush solvent 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%$27K20%$53K30%$80K40%$107K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**TSI Supercool FFQ High-Temp A/C Flush 32 fl. oz. (Flash Point Greater Than 250 F)**TSI Supercool**$16.00**4.5★1,381 rev](https://www.amazon.com/dp/B00CFQQX5S) [2**FOUR UNCLES AC Flush Kit - Air Conditioner System Cleaning Tool Set with Stainless Steel Canister and Nylon Hose & Flushing Spray Gun for R134a R12 R22 R410a R404a(Not Includes Flush Solvent)**FOUR UNCLES**$28.00**4.5★1,427 rev](https://www.amazon.com/dp/B07T7MZ8L5) [3**Mastercool 91049-32 A/C Flush Solvent 32 oz. Professional Automotive & HVAC/R System Flush Solvent-Based Fast-Evaporating Leaves No Residue O-Ring Safe Non-Flammable Made in USA**Mastercool**$26.97**4.3★125 rev](https://www.amazon.com/dp/B00RVZ6MDG) [4**Four Seasons 69994 Super Flush Solvent 32 Oz/ 946 ml**Four Seasons**$20.78**4.7★657 rev](https://www.amazon.com/dp/B004AEQSE4) [5**Mastercool 91049-128 A/C Flush Solvent 1 Gallon Professional Automotive & HVAC/R System Flush Solvent-Based Fast-Evaporating Leaves No Residue O-Ring Safe Non-Flammable Made in USA**Mastercool**$53.77**4.3★125 rev](https://www.amazon.com/dp/B00RVZ6GC8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Orion Motor Tech AC Flush Kit HVAC Flush Tool Kit with 33.5 oz. Stainless Steel Tank Auto Air Conditioner System Flushing Set for R134a R12 R22 R410a R404a with 1/4 in. Adapter 3.3 ft. Nylon Hose**Orion Motor Tech**$28.38**21 rev9mo ago](https://www.amazon.com/dp/B0FSZ3WPZ9) [**Gnhydxfe AC Flush Kit Automotive air Conditioning Pipeline Cleaning Tool Home A/C Flush Tool R134A R12 R22 R404 R410A AC System Flush Kit Can Tool with 220PSI Gauge Air Fittings and Hose**Gnhydxfe**$23.83**124 rev2y ago](https://www.amazon.com/dp/B0D7C2TR9J) [**Leak Saver AC Flush Solvent Kit | Pressurized AC Flush Kit Solvent for Cleaning HVAC Line Set and Any Refrigerant-Based Systems**Leak Saver**$69.79**60 rev2y ago](https://www.amazon.com/dp/B0D1H6CNMQ) [**ZJERYL GULL AC Flush Kit Auto air Conditioning Pipeline Cleaning Tool Set R134A R12 R22 R404 R410A AC System Flush Kit Air Fittings and Hose**ZJERYL GULL**$23.60**94 rev2y ago](https://www.amazon.com/dp/B0CNZ4DNBH) [**Zep Air Conditioning Flush - 1 Gallon (Case of 4) - FOR WORKPLACE and INDUSTRIAL USE ONLY**Zep**$169.29**9 rev4y ago](https://www.amazon.com/dp/B0B5HNL68G)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Orion Motor Tech AC Flush Kit HVAC Flush Tool Kit with 33.5 oz. Stainless Steel Tank Auto Air Conditioner System Flushing Set for R134a R12 R22 R410a R404a with 1/4 in. Adapter 3.3 ft. Nylon Hose**Orion Motor Tech**$28.38**4.8★**▲ 124%**](https://www.amazon.com/dp/B0FSZ3WPZ9) [**Mastercool 91049-128 A/C Flush Solvent 1 Gallon Professional Automotive & HVAC/R System Flush Solvent-Based Fast-Evaporating Leaves No Residue O-Ring Safe Non-Flammable Made in USA**Mastercool**$53.77**4.3★**▲ 45%**](https://www.amazon.com/dp/B00RVZ6GC8) [**AC Flush Solvent - 32 oz HVAC Line Cleaner for Car & Home Air Conditioner Systems | Removes Oil Sludge Contaminants | Universal Refrigerant Flush HCPRO**hcpro keep it running**$26.68**4.4★**▲ 29%**](https://www.amazon.com/dp/B0831TWFRX) [**Leak Saver AC Flush Solvent Kit | Pressurized AC Flush Kit Solvent for Cleaning HVAC Line Set and Any Refrigerant-Based Systems**Leak Saver**$69.79**4.3★**▲ 26%**](https://www.amazon.com/dp/B0D1H6CNMQ) [**FOUR UNCLES AC Flush Kit - Air Conditioner System Cleaning Tool Set with Stainless Steel Canister and Nylon Hose & Flushing Spray Gun for R134a R12 R22 R410a R404a(Not Includes Flush Solvent)**FOUR UNCLES**$28.00**4.5★**▲ 20%**](https://www.amazon.com/dp/B07T7MZ8L5)
**~~View all trending →~~**
## **What buyers say about ac flush solvent**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“Excellent product”*
**Advertised Vs Actual Product**18%
*“Worked perfectly, as it should”*
**Value For Money**15%
*“Excellent value”*
**Efficiency**12%
*“It works well for people servicing different refrigerant systems”*
**Ease Of Use**10%
*“It is easy to use and comes with instructions that are clear and in-depth”*
**Ease Of Cleaning**7%
*“This AC flush kit is a useful tool for anyone doing automotive or HVAC system cleaning”*
**Pressure**4%
*“Pressure gauge was helpful”*
**Strength**3%
*“it feels exceptionally sturdy”*
**Assembly/Installation**2%
*“What stands out most is the complete, user-friendly setup”*
**Lubrication**1%
*“Four seasons super flush solvent”*
### **What buyers complain about **
**Functionality-Overall**20%
*“Does not evaporate very fast”*
**Quality-Overall**15%
*“Absolutely garbage”*
**Lubrication**10%
*“This product to me seemed to have a lot of oil in it”*
**Value For Money**10%
*“Products way over price for what it does”*
**Pressure**10%
*“make sure the pressure isn't too high to rupture a tube”*
**Strength**5%
*“but, Oring gasket is too weak”*
**Defective Material/Parts**5%
*“Product doesnt work”*
**Natural Resource Wastage**5%
*“all oil was stack in the system waste of money”*
**Ease Of Use**5%
*“I don't think I would use it again”*
**Size-Overall**3%
*“the air chuck nipple did not fit my air hose”*
### **Top return reasons **
**Compatibility-Overall**19%
**Leak-Proof**13%
**Advertised Vs Actual Product**13%
**Functionality-Overall**10%
**Size-Overall**8%
**Value For Money**6%
**Defective Material/Parts**4%
**Pressure**3%
**Quality-Overall**3%
**Product Condition**3%
## **Common questions**
- **Is ac flush solvent profitable to sell on Amazon United States?**
- The niche generates $267K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +166.6%. Flapen's verdict: Worth a look (60/100).
- **How competitive is the ac flush solvent niche?**
- 11 brands and 53 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 80% of demand.
- **What do buyers complain about in ac flush solvent?**
- Top complaints mined from reviews: Functionality-Overall, Quality-Overall, Lubrication. The return rate is 1.8%.
- **When does demand for ac flush solvent peak?**
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 14.1× the quietest.
- **What does it cost to enter the ac flush solvent niche?**
- Listings span $16.00–$169.29; the average listing price is $43.51 (sweet spot $15–$100). The average incumbent carries 344 reviews — the moat a new listing must climb.
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