evap foam no rinse
Worth a lookShows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Growth
Incredible+128.6%90-day search growth — must beat 0% to launch
Avg price
Incredible$26.35avg listing price — sweet spot $15–$100
Conversion
Great10.9%search→purchase rate — share of searches ending in a sale
Price range
Great$9.15–$50.38cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$371K$371K/yr · 129K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad4,955.89avg incumbent reviews — the moat a new listing must climb
Competition
Bad84%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, evap foam no rinse is a $371K/yr Amazon United States market (129K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 57/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
evap foam no rinse market data
- Units sold / yr
- 15K–20K
- avg 1,500–2,000/product
- Revenue / yr
- $395K–$527K
- units × avg price
- Conversion rate
- 10.9%
- Avg BSR
- #420
- Page quality
- 0%
- Prime
- 89%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 45 months
- Avg seller age
- 156 days
Competition & brand share
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 flat
Sellers
86
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
84%
Top 20: 100%
Open market
0%
- Nu-Calgon51%
- Simple Green30%
- Leak Saver11%
- Frost King5%
- FYIZO3%
Demand & seasonality
Weekly Amazon search volume, last 101 weeks — +128.6% search growth over the last 90 days.Peak months: May, Jun, Jul · busiest ÷ quietest = 18.2×
Top evap foam no rinse search terms
- nu calgon coil cleaner16K/yr
- mini split cleaner13K/yr
- simple green foaming coil cleaner9K/yr
- evap foam no rinse coil cleaner12K/yr
- nu-calgon11K/yr
- mini split coil cleaner11K/yr
- nu-calgon evap foam no rinse7K/yr
- nu calgon11K/yr
- simple green coil cleaner8K/yr
- nu calgon evap foam no rinse4K/yr
Top evap foam no rinse 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 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nu-Calgon 417175 Evap Foam
Nu-Calgon$17.594.5★14,163 rev
Simple Green Foaming Coil Cleaner 20oz Aerosol (Pack of 3)
Simple Green$26.184.6★1,326 rev
Simple Green Foaming Coil Cleaner - 32 Fl Oz
Simple Green$13.184.6★1,326 rev
Simple Green Foaming Coil Cleaner - Gallon 128 Fl Oz (Pack of 1)
Simple Green$22.704.6★1,326 rev
Leak Saver Foam Blaster AC Coil Cleaner Foam Spray | HVAC Coil Cleaner for AC Unit | Professional Deep-Penetrating Formula for Evaporator (No Rinse) & Condenser (Light Rinse)
Leak Saver$17.714.6★4,398 rev
Newest
by launch dateSimple Green Foaming Coil Cleaner 20oz Aerosol (Pack of 3)
Simple Green$26.181,326 rev
Simple Green Foaming Coil Cleaner - 32 Fl Oz
Simple Green$13.181,326 rev
Nu-Calgon 4291-08 Nu-Brite Alkaline Based Coil Cleaner 1 Gallon Non-Acid HVAC Evaporator & Condenser Cleaner
FYIZO$42.8420 rev
Leak Saver Foam Blaster AC Coil Cleaner Foam Spray | HVAC Coil Cleaner for AC Unit | Professional Deep-Penetrating Formula for Evaporator (No Rinse) & Condenser (Light Rinse) - 3 Pack
Leak Saver$37.454,398 rev
Leak Saver Foam Blaster AC Coil Cleaner Foam Spray | HVAC Coil Cleaner for AC Unit | Professional Deep-Penetrating Formula for Evaporator (No Rinse) & Condenser (Light Rinse)
Leak Saver$17.714,398 rev
Trending
90-day click momentumNu-Calgon 4291-08 Nu-Brite Alkaline Based Coil Cleaner 1 Gallon Non-Acid HVAC Evaporator & Condenser Cleaner
FYIZO$42.844.3★
Simple Green Foaming Coil Cleaner 20oz Aerosol (Pack of 3)
Simple Green$26.184.6★
Simple Green Foaming Coil Cleaner - 32 Fl Oz
Simple Green$13.184.6★
Leak Saver Foam Blaster AC Coil Cleaner Foam Spray | HVAC Coil Cleaner for AC Unit | Professional Deep-Penetrating Formula for Evaporator (No Rinse) & Condenser (Light Rinse) - 3 Pack
Leak Saver$37.454.6★
Frost King ACF19 Foam Coil Cleaner 1.18 Pound (Pack of 1) 19 Ounce
Frost King$9.154.6★
What buyers say about evap foam no rinse
What buyers praise and complain about, mined from review topics.What buyers love
“Very effective cleaning”
“Amazing product from trusted brand in my household”
“Works well”
“Easy to use”
“Works as Advertised”
“Smells nice and clean”
“Great Buy”
“Sprays on easy”
“foams up nicely”
“Yes the vents can pull out and snap back in”
What buyers complain about
“Can stopped spraying”
“Doesn't clean and not enough”
“ineffective”
“Too pricey and not very effective unless used every 3-4 months”
“And it doesnt have the fragrance Im used to”
“just clog the foam in from of the nozzle”
“Didn't foam as described”
“It feels like no pressure inside anymore”
“eventually became unusable”
“The foam was very thick”
Top return reasons
Common questions
- Is evap foam no rinse profitable to sell on Amazon United States?
- The niche generates $371K/yr across 9 tracked products. 90-day search growth is +128.6%. Flapen's verdict: Worth a look (57/100).
- How competitive is the evap foam no rinse niche?
- 5 brands and 86 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in evap foam no rinse?
- Top complaints mined from reviews: Spray/Flow, Ease Of Cleaning, Functionality-Overall. The return rate is 0.1%.
- When does demand for evap foam no rinse peak?
- Demand peaks in May–Jun–Jul; the busiest month runs 18.2× the quietest.
- What does it cost to enter the evap foam no rinse niche?
- Listings span $9.15–$50.38; the average listing price is $26.35 (sweet spot $15–$100). The average incumbent carries 4,956 reviews — the moat a new listing must climb.