ac flush solvent
Worth a lookShows demand growing +166.6% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Incredible+166.6%90-day search growth — must beat 0% to launch
Avg price
Incredible$43.51avg listing price — sweet spot $15–$100
Conversion
Great9.7%search→purchase rate — share of searches ending in a sale
Review moat
Great343.77avg incumbent reviews — the moat a new listing must climb
Returns
Great1.8%return rate — above 5% kills the launch gate
Price range
Good$16.00–$169.29cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$267K$267K/yr · 63K searches
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Competition
Bad73%top-5 click share — a locked-up shelf
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
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.Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 14.1×
Top ac flush solvent search terms
- ac flush solvent22K/yr
- ac flush21K/yr
- a/c flush5K/yr
- a/c flush solvent5K/yr
- ac system flush solvent4K/yr
- ac system flush3K/yr
- ac line flush3K/yr
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.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
TSI Supercool FFQ High-Temp A/C Flush 32 fl. oz. (Flash Point Greater Than 250 F)
TSI Supercool$16.004.5★1,381 rev

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$28.004.5★1,427 rev

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$26.974.3★125 rev

Four Seasons 69994 Super Flush Solvent 32 Oz/ 946 ml
Four Seasons$20.784.7★657 rev

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$53.774.3★125 rev
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$28.3821 rev

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$23.83124 rev

Leak Saver AC Flush Solvent Kit | Pressurized AC Flush Kit Solvent for Cleaning HVAC Line Set and Any Refrigerant-Based Systems
Leak Saver$69.7960 rev

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$23.6094 rev

Zep Air Conditioning Flush - 1 Gallon (Case of 4) - FOR WORKPLACE and INDUSTRIAL USE ONLY
Zep$169.299 rev
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$28.384.8★

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$53.774.3★

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$26.684.4★

Leak Saver AC Flush Solvent Kit | Pressurized AC Flush Kit Solvent for Cleaning HVAC Line Set and Any Refrigerant-Based Systems
Leak Saver$69.794.3★

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$28.004.5★
What buyers say about ac flush solvent
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Worked perfectly, as it should”
“Excellent value”
“It works well for people servicing different refrigerant systems”
“It is easy to use and comes with instructions that are clear and in-depth”
“This AC flush kit is a useful tool for anyone doing automotive or HVAC system cleaning”
“Pressure gauge was helpful”
“it feels exceptionally sturdy”
“What stands out most is the complete, user-friendly setup”
“Four seasons super flush solvent”
What buyers complain about
“Does not evaporate very fast”
“Absolutely garbage”
“This product to me seemed to have a lot of oil in it”
“Products way over price for what it does”
“make sure the pressure isn't too high to rupture a tube”
“but, Oring gasket is too weak”
“Product doesnt work”
“all oil was stack in the system waste of money”
“I don't think I would use it again”
“the air chuck nipple did not fit my air hose”
Top return reasons
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.