---
title: "Evap Foam No Rinse — $371K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/evap-foam-no-rinse"
last_updated: "2026-08-11T14:15:14.544Z"
locale: en
meta:
description: "Niche score 57/100 · $371K/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 57/100 · $371K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Evap Foam No Rinse — $371K/yr Amazon US Niche (2026) - Flapen"
---
# **evap foam no rinse**
**Worth a look**
Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 54Growth 95Conversion 91Competition 13Returns 99Price range 84Avg price 95Brand share 0Review moat 24Quality gap 38
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Growth**
**Incredible****+128.6%**
90-day search growth — must beat 0% to launch
**Avg price**
**Incredible****$26.35**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****10.9%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$9.15–$50.38**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$371K**
$371K/yr · 129K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****4,955.89**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****84%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)")
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 ~~](https://flapen.com/research/methodology)
## **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.
6K4KSpike '25Spike '26Prime Day '26 seasonDecMarJunAugNovMarMay
Peak months: May, Jun, Jul · busiest ÷ quietest = 18.2×
[**Open Trend **](https://flapen.com/research/us/health-household/evap-foam-no-rinse/trend)
## **Top evap foam no rinse search terms**
- **nu calgon coil cleaner**16K/yr+112.4%6.2% conv. - **mini split cleaner**13K/yr+103.7%4.3% conv. - **simple green foaming coil cleaner**9K/yr+236.8%14.5% conv. - **evap foam no rinse coil cleaner**12K/yr+150.1%14.1% conv. - **nu-calgon**11K/yr+78.3%1.7% conv. - **mini split coil cleaner**11K/yr+137.9%5.9% conv. - **nu-calgon evap foam no rinse**7K/yr+229.2%14.7% conv. - **nu calgon**11K/yr+64.8%2.3% conv. - **simple green coil cleaner**8K/yr+201.3%13.2% conv. - **nu calgon evap foam no rinse**4K/yr+341.4%12.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/evap-foam-no-rinse/search-terms)
## **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.
0%15%$56K30%$111K45%$167K60%$223K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nu-Calgon 417175 Evap Foam**Nu-Calgon**$17.59**4.5★14,163 rev](https://www.amazon.com/dp/B00DM8KQ3I) [2**Simple Green Foaming Coil Cleaner 20oz Aerosol (Pack of 3)**Simple Green**$26.18**4.6★1,326 rev](https://www.amazon.com/dp/B0FBZDS3M8) [3**Simple Green Foaming Coil Cleaner - 32 Fl Oz**Simple Green**$13.18**4.6★1,326 rev](https://www.amazon.com/dp/B0CXJQ93F4) [4**Simple Green Foaming Coil Cleaner - Gallon 128 Fl Oz (Pack of 1)**Simple Green**$22.70**4.6★1,326 rev](https://www.amazon.com/dp/B079SJH7LH) [5**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**$17.71**4.6★4,398 rev](https://www.amazon.com/dp/B07ZJYPD3Z)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Simple Green Foaming Coil Cleaner 20oz Aerosol (Pack of 3)**Simple Green**$26.18**1,326 rev1y ago](https://www.amazon.com/dp/B0FBZDS3M8) [**Simple Green Foaming Coil Cleaner - 32 Fl Oz**Simple Green**$13.18**1,326 rev2y ago](https://www.amazon.com/dp/B0CXJQ93F4) [**Nu-Calgon 4291-08 Nu-Brite Alkaline Based Coil Cleaner 1 Gallon Non-Acid HVAC Evaporator & Condenser Cleaner**FYIZO**$42.84**20 rev2y ago](https://www.amazon.com/dp/B0GJGD2PMH) [**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**$37.45**4,398 rev5y ago](https://www.amazon.com/dp/B095J8V2YV) [**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**$17.71**4,398 rev6y ago](https://www.amazon.com/dp/B07ZJYPD3Z)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Nu-Calgon 4291-08 Nu-Brite Alkaline Based Coil Cleaner 1 Gallon Non-Acid HVAC Evaporator & Condenser Cleaner**FYIZO**$42.84**4.3★**▲ 29%**](https://www.amazon.com/dp/B0GJGD2PMH) [**Simple Green Foaming Coil Cleaner 20oz Aerosol (Pack of 3)**Simple Green**$26.18**4.6★**▲ 14%**](https://www.amazon.com/dp/B0FBZDS3M8) [**Simple Green Foaming Coil Cleaner - 32 Fl Oz**Simple Green**$13.18**4.6★**▲ 12%**](https://www.amazon.com/dp/B0CXJQ93F4) [**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**$37.45**4.6★**— 4%**](https://www.amazon.com/dp/B095J8V2YV) [**Frost King ACF19 Foam Coil Cleaner 1.18 Pound (Pack of 1) 19 Ounce**Frost King**$9.15**4.6★**— 1%**](https://www.amazon.com/dp/B007I7KZN0)
**~~View all trending →~~**
## **What buyers say about evap foam no rinse**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Cleaning**22%
*“Very effective cleaning”*
**Quality-Overall**12%
*“Amazing product from trusted brand in my household”*
**Efficiency**12%
*“Works well”*
**Ease Of Use**11%
*“Easy to use”*
**Advertised Vs Actual Product**9%
*“Works as Advertised”*
**Smell**7%
*“Smells nice and clean”*
**Value For Money**6%
*“Great Buy”*
**Spray/Flow**5%
*“Sprays on easy”*
**Foam**2%
*“foams up nicely”*
**Functionality-Overall**1%
*“Yes the vents can pull out and snap back in”*
### **What buyers complain about **
**Spray/Flow**21%
*“Can stopped spraying”*
**Ease Of Cleaning**20%
*“Doesn't clean and not enough”*
**Functionality-Overall**6%
*“ineffective”*
**Value For Money**5%
*“Too pricey and not very effective unless used every 3-4 months”*
**Smell**3%
*“And it doesnt have the fragrance Im used to”*
**Jamming/Clogging**2%
*“just clog the foam in from of the nozzle”*
**Foam**2%
*“Didn't foam as described”*
**Pressure**2%
*“It feels like no pressure inside anymore”*
**Durability**2%
*“eventually became unusable”*
**Thickness**1%
*“The foam was very thick”*
### **Top return reasons **
**Leak-Proof**24%
**Advertised Vs Actual Product**21%
**Functionality-Overall**11%
**Value For Money**9%
**Ease Of Cleaning**8%
**Color**6%
**Defective Material/Parts**3%
**Smell**3%
**Size-Overall**2%
**Spray/Flow**2%
## **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.
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