10 Best Refrigerant Leak Detection In The Us

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Last Updated - November 26, 2024

Best Choice

1

Clicked 16 times in the last month

Inficon
Inficon Inficon Refrigerant Leak Detector, Model:705-202-G1

26% Off

9.1 Simple to use

8.2 Precision

8.0 worth the money

Why we love it

Highly sensitive, detects even the smallest leaks.

Compatible with all major refrigerants, including newer types.

Includes rugged carrying case for easy transportation.
Main highlights

High Sensitivity and Reliability
Sensitivity of 0.25 oz./year (7 g/year), detects all CFCs, HCFCs, HFCs, and HFOs, A2L Certified, proven heated diode sensor, sensor life of 100 hours.

Best for HVAC and Automotive Technicians
Ideal for professionals in HVAC and automotive fields, reliable for detecting refrigerant leaks, automatic background adjustment zeroing, runs on two D-cell alkaline batteries.

High Sensitivity and Accuracy
Customers praise its high sensitivity, reliability in detecting leaks, and ease of use. Effective even with very small leaks, though can be overly sensitive.
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9.7

Exceptional

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Value for Money

2

Elitech
Elitech HVAC Refrigerant Leak Detector 10 Yrs Infrared Sensor Life, Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder, ILD-200

15% Off

9.9 Simple to use

9.7 Precision

9.5 worth the money

Why we love it

Infrared Sensor: Long life precise.

Sensitivity: 3 adjustable levels.

TFT Screen: Easy clear readings.
Main highlights

Key Features and Benefits
Offers superior anti-interference, fast response, and high sensitivity up to 0.14oz/yr. Detects all halogenated gases with a long service life.

Ideal Use Cases
Perfect for HVAC maintenance, refrigeration repair, and environmental monitoring, especially in detecting leaks in various refrigerants and mixed gases.

Customer Reviews Highlight
Users highly appreciate its accuracy, ease of use, and the large, clear 2.8-inch screen, making leak detection more efficient.
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9.6

Exceptional

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3

SENSYX
SENSYX Rechargeable HVAC Refrigerant Leak Detector, Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder (SFD201 Refrigerant&Combustible Gas Detector)
Main highlights

US-BASED CUSTOMER SERVICE: We provide responsive and dedicated customer service along with technical support, all based in the US. Our team is ready to assist you with any questions or needs you may have, ensuring a smooth experience with our products.
SAFETY STANDARDS: Rigorously tested and conforms to the UL1484 safety standard for peace of mind and reliability.
RECHARGEABLE LITHIUM BATTERY: Enjoy the convenience of cordless operation with our rechargeable lithium battery. A USB-C cable is included for easy charging, allowing for enhanced mobility and prolonged use without the need for constant power supply.
LARGE COLOR LCD SCREEN: Equipped with a vibrant, large LCD display, our leak detector ensures you don't miss any leaks. The clear level display not only pinpoints the location of leaks but also offers a quiet working environment, enhancing user comfort and efficiency during detection tasks.
HIGHLY SENSITIVE SENSOR: Features a Japan-made heat dioxide semiconductor sensor, renowned for its exceptional sensitivity and reliability in detecting gas leaks.
HIGHER SENSITIVITY: Adjustable sensitivity with High/Low levels.
BROAD RANGE DETECTION: Both SFD200&SFD201 are capable of identifying a wide array of halogen refrigerants, our detector efficiently pinpoints leaks in systems using refrigerants like: CFCs: R11 R12 R113 R114 R400 HFCs: R21 R22 R31 R121 R122 R123 R124 R141b R142b R221 R222 R401a R402a R402b R408a R409a R509a HCFCs: R23 R32 R41 R125 R134a R143a R404a R410a R407c R417a R507 R508a R508b R152a HFOs: R-1234yf R-1234ze R449a R452b R454a R455a R456a R457a R459a. This versatility ensures comprehensive leak detection across diverse HVAC applications. In addtion to that, SFD201 can detect HC/Combustible Gas such as R50/Methane, R170/Ethane, R290/Propane, and R600a/Isobutane.
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9.4

Excellent

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4

REALHUNLEE
REALHUNLEE Auto Air Conditioner Leak Detector Tool Flashlight Oil AC UV Dye Leak Test Detection Kit Pro 68 LED Flashlight with UV Protective Glasses

23% Off

9.7 Simple to use

9.3 Precision

9.1 worth the money
Main highlights

Wide Range of Applications & Durable -- This u*v Contamination and Leaks detector flashlight is a great helper for your life -- Authenticate currency,engine,driver license, Auto&Air Conditioning Freon Refrigerant Leak, official identification cards,passports. Essential tool for medical forensics, Auto car leaks, HVAC repair and so on.Help you to save thousands of dollars,efforts and time!
What You Got -- This Car AC Leak Detection Flashlight Kit comes with great after service! We will give you a satisfactory solution within 24 hours! Please don't hesitate to contact us if you have any questions or concerns about our product !
Save Your Money & Time -- Works with all types of U*V leak detection dye! Pinpoint the origin of leaks of ANY kind with this Auto Air Conditioner Oil Leak Detector Tool Flashlight, even in bright environments. Help you inspect the leak stains in seconds! Impact resistant military grade aluminum weighing.
Professional Grade & High Accuracy -- Pro High-intensity true leak detection flashlight, INCLUDE GLASSES! 12.3 W 385-395nm leak detection flashlight with 68 top quality LED helps you to find leak stains EVEN in indoor or streetlight.REALHUNLEE AC Leak Detector Flashlight is 40% Brighter than other light, best choice for Automotive Air Conditioner Leak Detection!
Long Running Time & Durable -- Car Leak Detector Flashlight is Premium Aluminum Construction with anti abrasive surface treatment, non-slip textured grip, lanyard useful either to wrap wrist or belt loop. The lighting time up to 20 hrs!!This Auto Leak Detector Flashlight also covers larger area without weaken the light. 3xAA batteries NOT included（due to the shipping policy）
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9.3

Excellent

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5

Elitech
Elitech Freon Leak Detector Halogen Refrigerant Gas Leak Detector HVAC Tester AC Sniffer R22 R410A R134A 1234YF, WJL-6000S

8.9 Simple to use

8.4 worth the money

8.0 Precision

Why we love it

The detector has a fast response time and can be used in a variety of difficult to reach places.

There is 24/7 US technician support available via email and phone.

The detector is sensitive to a variety of different gases, making it a versatile tool.
Main highlights

Key Features
Detects all halogenated refrigerants with 7 adjustable sensitivity levels and quick response time. Features audible/visual indicators and a flexible probe.

Ideal Use Cases
Perfect for self-checking auto AC, air conditioning systems, and hard-to-reach areas. Essential for professionals in HVAC maintenance and repair.

Customer Praise
Highly praised for its accuracy, ease of use, and the fast response time, making it a reliable tool for leak detection tasks.
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9.2

Excellent

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6

InterDynamics
InterDynamics Certified A/C Pro Car Air Conditioner Leak Detector Dye, Detection UV Dye Detects Leaks in R-12 and R-134A Condition Systems, 1 Oz

20% Off

9.7 Easy installation

9.5 Simple to use

9.3 worth the money

Why we love it

Works with multiple refrigerant systems.

Helps locate leaks quickly and easily.

Compatible with various refrigerant oils.
Main highlights

Universal Application Compatibility
Contains four one quarter ounce applications of universal air conditioning system UV leak detection dye. Can be used in all R-134a R-12 and R-22 systems.

Ideal for Detecting A/C Leaks
Helps locate leaks in automotive and home air conditioning systems. Compatible with all PAG ester and mineral based refrigerant oils.

Highly Effective Leak Detection
Customers praise the UV dye for its brightness and effectiveness in locating leaks quickly and easily with a UV light.
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9.0

Excellent

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7

Leak Saver
Leak Saver Direct Inject UV - Refrigerant Leak Sealer with Added UV Dye to Detect Large Leaks - for AC, Refrigeration, and Automotive Systems Up to 5 Tons - Compatible with All Refrigerants

9.9 Simple to use

9.7 Easy installation

8.0 worth the money

Why we love it

Simple, mess-free injection method for easy DIY use.

Proven effectiveness with over 3 million units sold.

Includes UV dye for detecting larger leaks.
Main highlights

Easiest Injection Method
The Leak Saver injects directly into the system with a basic manifold gauge set or Leak Shot Injection Kits, avoiding messy syringes and hoses.

Ideal for Small Refrigerant Leaks
Perfect for central air conditioners, automotive air conditioners, refrigerators, ductless mini-splits, and commercial refrigeration systems to seal small refrigerant leaks.

Praised for Ease of Use
Customers appreciate the simplicity and effectiveness of the Leak Saver, highlighting its easy installation process and its ability to prevent costly repairs.
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8.9

Very Good

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8

Tellegloww
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(Classic)

16% Off
Main highlights

Undefined: our refrigerant leak detector adopts advanced leak detection technology and is able to detect R22, R134A, R404a, R410A and most halogenated refrigerants, compatible with HFC, CFC, HCFC and mixtures; The main body of the AC oil dye injector is made of aluminum alloy, 1/ 4" connectors compatible with SAE and quick connectors are made of brass, heavy duty materials ensuring durable, products
Practical Combination: air conditioner leak detector tool comes with R134a, R1234yf low side port coupler quick snap and R410 mini split adapter, making the kit can be applied with R134a and R1234yf manifold to work on automotive AC systems; The leakage tester is equipped with not only one small UV detection lamp, and an additional UV flashlight and a pair of anti UV glasses, the UV lamp helps detect leaks visually, and the glasses protect your eyes, a practical combination
Packing List: products include 1 AC oil injector, 1 R134a low side quick coupler, 1 R1234yf low side quick coupler, 1 R410 mini split adapter, 1 valve core remover, 1 oil UV Dye leak detector (4 AAA batteries not included) , one 68LED UV flashlight ( 6 AA batteries not included), a pair of UV protective glasses; Our uv leak detection kit helps check for car air conditioning leaks
Easy to Operate: to inject dye or oil, just connect the syringe to the low side of the air conditioning system and twist the handle until the desired amount is reached; The leak detector is ready to use 6 seconds after turning on, you choose suitable sensitivity and then extend the probe to the place to be detected; If there is refrigerant flowing out, it will make a sound and the indicator will flash quickly; The more leakage, the faster the sound will be; See the instructions for more details
Clever Design: the handle of the AC leak detector kit adopts a textured design to increase friction, allowing you to turn it easily even when there is oil on your hands; The practical leak detector is designed with a flexibly adjustable probe, long approximately 8.46 inch, helping you detect small areas; UV protective glasses can not only cover the front of the eyes, but the extended design on both sides prevents UV rays from passing through the places where ordinary glasses miss the protection
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8.8

Very Good

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9

Elitech
Elitech WJL-6000S Freon Leak Detector Halogen Gas Sniffer Refrigerant AC Leak Tester R22 R410A R134A R1234YF

8.2 Simple to use

8.0 worth the money

8.0 Precision

Why we love it

5 LED indicators

Detects multiple refrigerants

Adjustable sensitivity
Main highlights

Key Features
Detects all halogenated refrigerants with 5 LED indicators, 7 sensitivity levels, and rapid response. Features a flexible probe and audible alarm.

Ideal Use Cases
Perfect for HVAC professionals and homeowners to detect leaks in air conditioners, refrigerators, and automotive systems.

Customer Praise
Most reviews highlight its accuracy and fast response time as the most appreciated features, ensuring reliable leak detection.
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8.6

Very Good

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10

Elitech
Elitech Refrigerant Leak Detector, CLD-100 Freon Leak Detector Car HVAC Halogen Refrigerant Leak Detector CFCs HCFCs HFCs
Main highlights

Upgraded version of WJL-6000. Traditional corona sensor with updated analogue circuit, fast triggers on R11, R22, R134A, R404a, R410A and all halogenated refrigerants including HFCs, CFCs,HCFCs and blends.
Direct status indication with audible & visual leakage alarm indicators and dual colour battery indicators. Battery by 4 AAA batteries (Not included)
A flexible probe around 8.26 inches allows detections in difficult and hard-to-reach areas.
6s preheating time, instantaneous response; 6 adjustable sensitivity, sensitivity of 0.21oz/yr.
24/7 US Technician Support via Email and Phone.
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8.5

Good

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10 Best Refrigerant Leak Detection In The Us

1

Inficon Inficon Refrigerant Leak Detector, Model:705-202-G1

Why we love it

2

Elitech HVAC Refrigerant Leak Detector 10 Yrs Infrared Sensor Life, Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder, ILD-200

Why we love it

3

SENSYX Rechargeable HVAC Refrigerant Leak Detector, Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder (SFD201 Refrigerant&Combustible Gas Detector)

4

REALHUNLEE Auto Air Conditioner Leak Detector Tool Flashlight Oil AC UV Dye Leak Test Detection Kit Pro 68 LED Flashlight with UV Protective Glasses

5

Elitech Freon Leak Detector Halogen Refrigerant Gas Leak Detector HVAC Tester AC Sniffer R22 R410A R134A 1234YF, WJL-6000S

Why we love it

6

InterDynamics Certified A/C Pro Car Air Conditioner Leak Detector Dye, Detection UV Dye Detects Leaks in R-12 and R-134A Condition Systems, 1 Oz

Why we love it

7

Leak Saver Direct Inject UV - Refrigerant Leak Sealer with Added UV Dye to Detect Large Leaks - for AC, Refrigeration, and Automotive Systems Up to 5 Tons - Compatible with All Refrigerants

Why we love it

8

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(Classic)

9

Elitech WJL-6000S Freon Leak Detector Halogen Gas Sniffer Refrigerant AC Leak Tester R22 R410A R134A R1234YF

Why we love it

10

Elitech Refrigerant Leak Detector, CLD-100 Freon Leak Detector Car HVAC Halogen Refrigerant Leak Detector CFCs HCFCs HFCs

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