10 Best freon leak detectors of 2026

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1

Elitech
Elitech HVAC Refrigerant Leak Detector 10 Yrs Infrared Sensor Life, Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder, ILD-200
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.
Key specs
- Size:1.5D x 3.3W x 7.9H
- Compatibility:Halogen refrigerants
- Color:Ild-200
- Voltage:N/A
- Number of Pieces:N/A
9.9

Exceptional

Our Rating

9.9
Simple to use

9.7
Precision

9.5
worth the money
How do we rank?

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Analyzing top stores
2

Elitech
Elitech HVAC Refrigerant Leak Detector Heated Diode Sensor Halogen Freon Sniffer, Air Conditioning Detection, R22 R410A R134A R1234YF CFCs HCFCs HFCs, ILD-100H
Main highlights

TFT_Screen_and_High_Sensitivity
The ILD300 features a TFT screen for clear readings and adjustable sensitivity up to 0.1oz/yr, making it highly accurate for detecting halogenated refrigerants.

Ideal_for_AC_and_Refrigeration_Repairs
Perfect for pinpointing leaks in AC units and refrigeration systems, especially useful for professionals needing accurate detection without false alarms.

Highly_Accurate_Leak_Detection
Customers frequently praise the ILD300 for its accuracy in detecting leaks, ease of use, and the advantage of having a TFT screen for clear readings.
9.7

Exceptional

Our Rating

9.7
Precision

9.5
Simple to use

9.3
Battery Duration
3

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

Rechargeable Lithium Battery Convenience
Enjoy cordless operation with a rechargeable battery and USB-C charging, enhancing mobility and prolonged use.

Versatile Leak Detection
Ideal for HVAC and automotive applications, detecting halogen refrigerants and combustible gases efficiently.

Highly Sensitive Sensor
Praised for its exceptional sensitivity and reliability in detecting gas leaks.
Key specs
- Size:ILD-200
- Voltage:Rechargeable Lithium Battery
- Compatibility:Refrigerant&Combustible Gas
- Number of Pieces:1
- Color:SFD201 Refrigerant&Combustible
9.5

Excellent

Our Rating
4

Elitech
Elitech Freon Leak Detector Halogen Refrigerant Gas Leak Detector HVAC Tester AC Sniffer R22 R410A R134A 1234YF, WJL-6000S
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.
9.4

Excellent

Our Rating

8.9
Simple to use

8.4
worth the money

8.0
Precision
5

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

Versatile Detection
Upgraded corona sensor detects all halogenated refrigerants quickly.

Ideal for HVAC and Automotive
Perfect for finding leaks in HVAC systems and vehicles.

User-Friendly Operation
Customers praise ease of use and fast leak detection.
Key specs
- Size:2.5 x 2.5 x 9 inches
- Compatibility:R11, R22, R134A, R404a, R410A
- Color:N/A
- Voltage:Battery by 4 AAA
- Number of Pieces:N/A
9.3

Excellent

Our Rating
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6

ZLLJYBLG

ZLLJYBLG High Sensitivity Halogen Freon Leak Detector with UV Light Probe - Heated Diode Sensor for RV AC Refrigerant Repair, Air Conditioning Leak Detection Tool

40% Off
9.1

Excellent

Our Rating
7

Aprvtio

Combustible Gas & Refrigerant Leak Detector, Aprvtio WJL-6000PRO Combine Gas Tester with Loud Alarm, Measures PPM%LEL 1800mAh Rechargeable Battery for R454B R410A A2L Propane Methane
9.0

Excellent

Our Rating
8

SENSYX
SENSYX Rechargeable HVAC Refrigerant Leak Detector, Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder (SFD200 Refrigerant Detector)
Main highlights

Cordless Operation with Rechargeable Battery
Enjoy mobility with a rechargeable lithium battery and USB-C charging.

Ideal for HVAC and Automotive Applications
Detects halogen refrigerants and combustible gases in HVAC systems and vehicles.

Praised for Sensitivity and Reliability
Highly sensitive Japanese sensor ensures accurate gas leak detection.
Key specs
- Size:5.5D x 0.98W x 2.36H
- Compatibility:Halogen refrigerants
- Color:SFD200 Refrigerant Detector
- Voltage:Rechargeable Lithium Battery
- Number of Pieces:N/A
8.9

Very Good

Our Rating
9

Wale&Morn

WJL-6000 Freon Leak Detector Halogen Gas Sniffer Refrigerant AC Leak Tester R22 R410A R134A R1234YF
8.8

Very Good

Our Rating
10

VIVOHOME

VIVOHOME HVAC Refrigerant Freon Leak Detector with LED Light, AC Sniffer Leak Detector for R134a R410a R1234yf CFCs HCFCs HFCs HFOs
8.7

Very Good

Our Rating

10 Best freon leak detectors of 2026

1

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

9.9

9.7

9.5

How do we rank?

How do we rank?

Analyzing top stores

2

Elitech HVAC Refrigerant Leak Detector Heated Diode Sensor Halogen Freon Sniffer, Air Conditioning Detection, R22 R410A R134A R1234YF CFCs HCFCs HFCs, ILD-100H

9.7

9.5

9.3

3

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

4

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

8.9

8.4

8.0

5

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

6

ZLLJYBLG High Sensitivity Halogen Freon Leak Detector with UV Light Probe - Heated Diode Sensor for RV AC Refrigerant Repair, Air Conditioning Leak Detection Tool

7

Combustible Gas & Refrigerant Leak Detector, Aprvtio WJL-6000PRO Combine Gas Tester with Loud Alarm, Measures PPM%LEL 1800mAh Rechargeable Battery for R454B R410A A2L Propane Methane

8

SENSYX Rechargeable HVAC Refrigerant Leak Detector, Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder (SFD200 Refrigerant Detector)

9

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

10

VIVOHOME HVAC Refrigerant Freon Leak Detector with LED Light, AC Sniffer Leak Detector for R134a R410a R1234yf CFCs HCFCs HFCs HFOs

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