---
title: "ac leak detector kit — Niche Verdict: Worth a look (65/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/ac-leak-detector-kit"
last_updated: "2026-07-14T01:39:37.827Z"
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meta:
  description: "ac leak detector kit shows demand growing +144.9% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:description": "ac leak detector kit shows demand growing +144.9% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:title": "ac leak detector kit — Niche Verdict: Worth a look (65/100) | Amazon United States - Flapen"
---

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# **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 6% 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

## **Competition**

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%**

**Open market**

**26%**

- Tellegloww31% - Elitech14% - A/C Pro12% - Vansky8% - ERRECOM5% - COSOOS4%

## **Product shelf**

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 64 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](https://m.media-amazon.com/images/I/31DOkEBQTDL.jpg)**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](https://m.media-amazon.com/images/I/51TnAR9aFLL.jpg)**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](https://m.media-amazon.com/images/I/417SxPtmkkL.jpg)**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](https://m.media-amazon.com/images/I/310KduntWvL.jpg)**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](https://m.media-amazon.com/images/I/51JzZN3ERiL.jpg)**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

[![Gulfmew 4 Pcs AC Leak Detector Kit with UV Light 68 LED Flashlight and Glasses AC Leak Detector Dye 2 x 70ML Refrigerant Detection Tool for Automotive Air Conditioner Repair](https://m.media-amazon.com/images/I/51ri-v0pgPL.jpg)**Gulfmew 4 Pcs AC Leak Detector Kit with UV Light 68 LED Flashlight and Glasses AC Leak Detector Dye 2 x 70ML Refrigerant Detection Tool for Automotive Air Conditioner Repair**Gulfmew**$27.27**1 rev3mo ago](https://www.amazon.com/dp/B0GVXZL22R) [![Refrigerant Leak Detector HVAC Freon Leak Detector with 3 Sensitivity Modes Automotive AC Leak Detection Kit Air Conditioning Detection for CFCs HCFCs HFCs HFOs HCs - Orange 0.1 oz/yr NF-605](https://m.media-amazon.com/images/I/41m-FNZi76L.jpg)**Refrigerant Leak Detector HVAC Freon Leak Detector with 3 Sensitivity Modes Automotive AC Leak Detection Kit Air Conditioning Detection for CFCs HCFCs HFCs HFOs HCs - Orange 0.1 oz/yr NF-605**Sabethe**$79.48**4 rev4mo ago](https://www.amazon.com/dp/B0GQ6V9N4D) [![2 in 1 Rechargeable Halogen Detector POROMETISTO Detect CFCs HFCCS HFCS HFOS 2 Sensitivity Mode Refrigerant Leak Detector Tri-Color and Alarm Function Leak Detector for Cold Storage Air Conditioning](https://m.media-amazon.com/images/I/41AymHJV0UL.jpg)**2 in 1 Rechargeable Halogen Detector POROMETISTO Detect CFCs HFCCS HFCS HFOS 2 Sensitivity Mode Refrigerant Leak Detector Tri-Color and Alarm Function Leak Detector for Cold Storage Air Conditioning**POROMETISTO**$61.11**106 rev5mo ago](https://www.amazon.com/dp/B0GK14K3FD) [![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](https://m.media-amazon.com/images/I/51t8ZpvRIYL.jpg)**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 R1234yf R134a R410a Hand Push Compressor 1oz/30ml Oil UV Dye Injector Refrigerant Leak Detector Valve Tool Low Side Quick Coupler Mini Split Adapter Glasses Flashlight](https://m.media-amazon.com/images/I/51-ycLqYWwL.jpg)**Tellegloww AC Leak Detector Kit R1234yf R134a R410a Hand Push Compressor 1oz/30ml Oil UV Dye Injector Refrigerant Leak Detector Valve Tool Low Side Quick Coupler Mini Split Adapter Glasses Flashlight**Tellegloww**$52.64**3 rev6mo ago](https://www.amazon.com/dp/B0GCHZM3YC)

**~~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](https://m.media-amazon.com/images/I/51JzZN3ERiL.jpg)**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) [![Freon Leak Detector HVAC Freon Leak Detector Automotive AC Leak Detection Kit Sensitive AC Leak Detector HVAC for R12 R22 R134a R1234 R1234yf R600a R410a CFCs HCFCs HFCs HFOs HCs](https://m.media-amazon.com/images/I/41t-0hNifAL.jpg)**Freon Leak Detector HVAC Freon Leak Detector Automotive AC Leak Detection Kit Sensitive AC Leak Detector HVAC for R12 R22 R134a R1234 R1234yf R600a R410a CFCs HCFCs HFCs HFOs HCs**KAYBAYJAY**$49.69**4.8★**▲ 138%**](https://www.amazon.com/dp/B0GVWHPGLW) [![Gulfmew 4 Pcs AC Leak Detector Kit with UV Light 68 LED Flashlight and Glasses AC Leak Detector Dye 2 x 70ML Refrigerant Detection Tool for Automotive Air Conditioner Repair](https://m.media-amazon.com/images/I/51ri-v0pgPL.jpg)**Gulfmew 4 Pcs AC Leak Detector Kit with UV Light 68 LED Flashlight and Glasses AC Leak Detector Dye 2 x 70ML Refrigerant Detection Tool for Automotive Air Conditioner Repair**Gulfmew**$27.27**5.0★**▲ 137%**](https://www.amazon.com/dp/B0GVXZL22R) [![Refrigerant Leak Detector HVAC Freon Leak Detector with 3 Sensitivity Modes Automotive AC Leak Detection Kit Air Conditioning Detection for CFCs HCFCs HFCs HFOs HCs - Orange 0.1 oz/yr NF-605](https://m.media-amazon.com/images/I/41m-FNZi76L.jpg)**Refrigerant Leak Detector HVAC Freon Leak Detector with 3 Sensitivity Modes Automotive AC Leak Detection Kit Air Conditioning Detection for CFCs HCFCs HFCs HFOs HCs - Orange 0.1 oz/yr NF-605**Sabethe**$79.48**4.5★**▲ 137%**](https://www.amazon.com/dp/B0GQ6V9N4D) [![Tellegloww Ac Leak Detector Kit R1234yf R134a R410a Ac Oil UV Dye Injector Kit Refrigerant Leak Detector Tool Low Side Quick Coupler Split Adapter Flashlight with Protective Glasses](https://m.media-amazon.com/images/I/51QHyoKp88L.jpg)**Tellegloww Ac Leak Detector Kit R1234yf R134a R410a Ac Oil UV Dye Injector Kit Refrigerant Leak Detector Tool Low Side Quick Coupler Split Adapter Flashlight with Protective Glasses**Tellegloww**$60.12**5.0★**▲ 129%**](https://www.amazon.com/dp/B0G8G2758X)

**~~View all trending →~~**

## **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×

## **Reviews**

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%