---
title: "Ac Leak Detector Kit — $138K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/ac-leak-detector-kit"
last_updated: "2026-08-09T14:46:42.665Z"
locale: en
meta:
description: "Niche score 65/100 · $138K/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 65/100 · $138K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Ac Leak Detector Kit — $138K/yr Amazon US Niche (2026) - Flapen"
---
# **ac leak detector kit**
**Worth a look**
Shows demand growing +144.9% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 30Growth 96Conversion 35Competition 85Returns 52Price range 48Avg price 93Brand share 58Review moat 73Quality gap 86
**Growth**
**Incredible****+144.9%**
90-day search growth — must beat 0% to launch
**Avg price**
**Great****$51.75**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Competition**
**Great****30%**
top-5 click share — an open shelf
**Review moat**
**Good****595.47**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****70%**
top-5 brand share — brands hold most of the demand
**Returns**
**Good****2.9%**
return rate — above 5% kills the launch gate
**Price range**
**Okay****$7.59–$185.03**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****2.8%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$138K**
$138K/yr · 97K searches
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, ac leak detector kit is a $138K/yr Amazon United States market (97K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 65/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ac leak detector kit market data**
- **Units sold / yr**
- **3K–4K**
- avg 0–100/product
- **Revenue / yr**
- **$155K–$207K**
- units × avg price
- **Conversion rate**
- **2.8%**
- **Avg BSR**
- **#439**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **1.6%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **159 days**
## **Competition & brand share**
Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.
**Brands**
**26 **▲rising
**Sellers**
**68**
**Top-5 brand share**
**70%**
Top 20: 97%
**Top-5 click share**
**30%**
Top 20: 68%
**Open market**
**26%**
- Tellegloww31% - Elitech14% - A/C Pro12% - Vansky8% - ERRECOM5% - COSOOS4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +144.9% search growth over the last 90 days.
5K4KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 9.3×
[**Open Trend **](https://flapen.com/research/us/automotive/ac-leak-detector-kit/trend)
## **Top ac leak detector kit search terms**
- **ac leak detector kit**47K/yr+151.8%3.5% conv. - **ac dye kit**14K/yr+159.9%2.7% conv. - **car ac leak detector kit**12K/yr+131.5%2.7% conv. - **a/c leak detector kit**7K/yr+146.8%3.7% conv. - **air conditioning leak detection tools**7K/yr+139.7%1.1% conv. - **auto ac leak detector kit**3K/yr+93.0%3.7% conv. - **ac uv dye kit**3K/yr+80.3%3.9% conv. - **ac leak detector kit automotive**4K/yr+218.8%2.3% conv. [**All search terms **](https://flapen.com/research/us/automotive/ac-leak-detector-kit/search-terms)
## **Top ac leak detector kit 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%2%$3K4%$6K6%$8K8%$11K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Elitech Refrigerant Leak Detector CLD-100 Freon Leak Detector Car HVAC Halogen Refrigerant Leak Detector CFCs HCFCs HFCs**Elitech**$21.26**4.2★602 rev](https://www.amazon.com/dp/B0CCV7JZBH) [2**Vansky Air Conditioner Leak Detector: Professional Car Tool 68 LED Automotive AC UV Dye Leak Detection Kit with Protective Glasses**Vansky**$18.14**4.6★627 rev](https://www.amazon.com/dp/B0CS6M7653) [3**A/C Pro Certified Auto Pro Oil and Fuel System UV Dye Leak Detection for Cars & Trucks & More 1 Oz 374CS Universal**A/C Pro**$7.59**4.5★2,547 rev](https://www.amazon.com/dp/B002M4G24U) [4**Elitech Freon Leak Detector Halogen Refrigerant Gas Leak Detector HVAC Tester AC Sniffer R22 R410A R134A 1234YF WJL-6000S**Elitech**$24.06**4.2★5,276 rev](https://www.amazon.com/dp/B015FK1EH2) [5**Tellegloww Ac Leak Detector Kit for R1234yf R134a R410a Ac Oil UV Dye Injector Kit Refrigerant Leak Detector Tool Low Side Quick Coupler Mini Split Adapter Flashlight with Protective Glasses**Tellegloww**$69.39**5.0★2 rev](https://www.amazon.com/dp/B0GC633MLC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Tellegloww Leak Detector Kit R1234yf R134a R410a Oil and Dye Injectors Kit 30ml/1 oz Hand Push Compressor Dye Injector Refrigerant Leak Detector Tool Quick Coupler UV Flashlight Glasses**Tellegloww**$48.49**7 rev6mo ago](https://www.amazon.com/dp/B0GCZNRPVS) [**Tellegloww Ac Leak Detector Kit for R1234yf R134a R410a Ac Oil UV Dye Injector Kit Refrigerant Leak Detector Tool Low Side Quick Coupler Mini Split Adapter Flashlight with Protective Glasses**Tellegloww**$69.39**2 rev6mo ago](https://www.amazon.com/dp/B0GC633MLC) [**Tellegloww 8 Pcs Ac Leak Detector Kit R1234yf R134a R410a Hand Push Compressor Manual Ac Oil UV Dye Injector Refrigerant Leak Detector Tool Low Side Quick Coupler Mini Split Adapter Glasses Flashlight**Tellegloww**$47.80**1 rev6mo ago](https://www.amazon.com/dp/B0GBWSL6KN) [**Tellegloww 8 Pcs Leak Detector Kit R1234yf R134a R410a Hand Push Compressor 1oz/30ml Oil UV Dye Injector Kit Refrigerant Leak Detector Tool Low Side Quick Coupler Mini Split Adapter Glasses Flashlight**Tellegloww**$46.62**6 rev6mo ago](https://www.amazon.com/dp/B0GBXGLP9C) [**Tellegloww AC Leak Detector Kit R1234yf R134a R410a Hand Push Compressor 1oz/30ml Oil UV Dye Injector Kit Refrigerant Leak Detector Tool Low Side Quick Coupler Mini Split Adapter Glasses Flashlight**Tellegloww**$48.34**5 rev6mo ago](https://www.amazon.com/dp/B0G7ZYYDCF)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Tellegloww Ac Leak Detector Kit for R1234yf R134a R410a Ac Oil UV Dye Injector Kit Refrigerant Leak Detector Tool Low Side Quick Coupler Mini Split Adapter Flashlight with Protective Glasses**Tellegloww**$69.39**5.0★**▲ 139%**](https://www.amazon.com/dp/B0GC633MLC) [**Tellegloww Leak Detector Kit R1234yf R134a R410a Oil and Dye Injectors Kit 30ml/1 oz Hand Push Compressor Dye Injector Refrigerant Leak Detector Tool Quick Coupler UV Flashlight Glasses**Tellegloww**$48.49**3.8★**▲ 107%**](https://www.amazon.com/dp/B0GCZNRPVS) [**Tellegloww AC Leak Detector Kit R1234yf R134a R410a AC Oil UV Dye Injector Kit Refrigerant Leak Detector Tool Low Side Quick Coupler Mini Split Adapter with Glasses UV Flashlight O-Rings Valve Cores**Tellegloww**$69.60**1.0★**▲ 103%**](https://www.amazon.com/dp/B0G6LJNB7Y) [**Tellegloww 8 Pcs Ac Leak Detector Kit R1234yf R134a R410a Hand Push Compressor Manual Ac Oil UV Dye Injector Refrigerant Leak Detector Tool Low Side Quick Coupler Mini Split Adapter Glasses Flashlight**Tellegloww**$47.80**1.0★**▲ 99%**](https://www.amazon.com/dp/B0GBWSL6KN) [**Tellegloww AC Leak Detector Kit R1234yf R134a R410a AC Oil UV Dye Injector Kit Refrigerant Leak Detector Tool Low Side Quick Coupler Mini Split Adapter Glasses Flashlight(Powerful)**Tellegloww**$70.16**4.4★**▲ 53%**](https://www.amazon.com/dp/B0D3TBZ9QM)
**~~View all trending →~~**
## **What buyers say about ac leak detector kit**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**15%
*“Definitely worth every penny”*
**Brightness/Shine/Glow**13%
*“Bright Light”*
**Quality-Overall**13%
*“Build quality feels solid”*
**Leak-Proof**11%
*“found no leaks not sure how well it works overall”*
**Ease Of Use**9%
*“Easy to operate”*
**Advertised Vs Actual Product**9%
*“As advertised”*
**Efficiency**6%
*“The pump works really well”*
**Charging**2%
*“All ready charged”*
**Instructions/User Manual/Troubleshooting**1%
*“keep the instructions handy until you get used to it”*
**Size-Overall**1%
*“It's compact size is perfect”*
### **What buyers complain about **
**Leak-Proof**24%
*“Found a leak”*
**Functionality-Overall**9%
*“Did not work”*
**Quality-Overall**8%
*“No Quality control”*
**Brightness/Shine/Glow**5%
*“not as bright”*
**Durability**4%
*“Didn't last”*
**Advertised Vs Actual Product**4%
*“Description not accurate”*
**Instructions/User Manual/Troubleshooting**3%
*“The instructions. as useless as they are”*
**Ease Of Use**3%
*“It was a bit frustrating to use”*
**Value For Money**3%
*“Save your money”*
**Battery Life**2%
*“5 hours later won't turn on because the battery is dead”*
### **Top return reasons **
**Functionality-Overall**20%
**Leak-Proof**16%
**Advertised Vs Actual Product**8%
**Brightness/Shine/Glow**6%
**Compatibility-Overall**6%
**Defective Material/Parts**6%
**Value For Money**5%
**Size-Overall**4%
**Measurement/Reading Accuracy**3%
**Color**2%
## **Common questions**
- **Is ac leak detector kit profitable to sell on Amazon United States?**
- The niche generates $138K/yr across 64 tracked products. 2 of 16 products launched in the last 360 days are still selling. 90-day search growth is +144.9%. Flapen's verdict: Worth a look (65/100).
- **How competitive is the ac leak detector kit niche?**
- 26 brands and 68 sellers compete. The top 5 products take 30% of clicks and top 5 brands hold 70% of demand.
- **What do buyers complain about in ac leak detector kit?**
- Top complaints mined from reviews: Leak-Proof, Functionality-Overall, Quality-Overall. The return rate is 2.9%.
- **When does demand for ac leak detector kit peak?**
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 9.3× the quietest.
- **What does it cost to enter the ac leak detector kit niche?**
- Listings span $7.59–$185.03; the average listing price is $51.75 (sweet spot $15–$100). The average incumbent carries 595 reviews — the moat a new listing must climb.
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