Top 8 Refrigerant leak detector in 2023

There are various risks associated with refrigerant leakage for individuals, the environment, air conditioners, and refrigerators. Freon and other refrigerants can be dangerous if inhaled in significant doses. They may result in headaches, breathing issues, and other symptoms. Additionally, prolonged exposure might cause more severe health issues, like cancer. The ozone layer is known to be being destroyed by chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs). Increased ultraviolet (UV) exposure and the risk of developing skin cancer can result from this. The efficiency of the refrigeration system can be reduced as a result of refrigerant leakage, which can increase operating expenses and shorten the equipment's lifespan. Therefore, prompt and precise refrigerant leak detection is crucial.
I will compare and evaluate the popular HVAC refrigerant leak detectors in the market on the selling points that everyone cares about.

Elitech Refrigerant Leak Detector WJL-6000
https://www.amazon.com/Elitech-WJL-60...
Corona 0.21oz/yr 3 sec 50 hours  $22.99 
1. The cheapest price
2. The technology is simple, and many brands have this type of product
3. Small size, easy to carry 
4. Detect R22, R134A, R404a, R410A 
5. 7 Adjustable Sensitivity 
6. Audible and visual gas leakage indicators

Aprtvio Refrigerant Leak Detector WJL-6000PRO 
https://aprvtiotech.com/collections/r...
Corona 0.14oz/yr 3 sec 50 hours  $26.99 
1.Upgraded version of the classic WJL-6000 with higher sensitivity,  (up to 0.14oz/yr.)
2. LCD screen displays sensitivity level and refrigerant gas leakage level 
3. audible and visual display alarms 
4. Small size, easy to carry 
5. Detect R22, R134A, R404a, R410A
6. Affordable

Aprvtio Refrigerant Leak Detector ALD-100
https://aprvtiotech.com/products/ald-100
Corona 0.11oz/yr 3 sec 50 hours  $64.99 
1. 13.98 inches flexible probe
2.7 adjustable sensitivities with the max sensitivity of 0.11oz/yr. (the most sensitive device in corona leak detectors)                     
3. 18 levels of Alarm Indications
4. Features a reset function     
5. Battery Level Indicator
6. 3 Replacement Sensors
7.  Detect R22, R134A, R404a, R410A and all halogenated refrigerants

Fieldpiece Refrigerant Leak Detector DR58
https://www.amazon.com/Fieldpiece-DR5...
Heated Diode  0.03 oz/yr 2 sec 100 hours $314.00  1.Heated Diode Refrigerant Leak Detector
2.Sensitivity better than 0.03 oz/yr (1g/a)
3.Bright, LCD screen with easy-to-see bar graphs and numeric readings
4.18-hour USB rechargeable lithium-ion battery
5.Detects all HFC, CFC, HCFC, HFO and blends (Avoid explosive and flammable refrigerant gas)

Inficon Refrigerant Leak Detector 705-202-G1
https://www.amazon.com/INFICON-TEK-Ma...
Heated Diode  0.25 oz./yr 2 sec 100 hours $201.62  1.Sensitivity of 0.25 oz./year (7 g/year)
2.Detects all CFCs, HCFCs, HFCs, and HFOs. A2L Certified
3.Proven heated diode sensor for reliable leak checking
4.Sensor Life: 100 hours
5. Automatic background adjustment ("zeroing")
6. Runs on two D-cell alkaline batteries

Aprvtio Refrigerant Leak Detector ALD-200
https://aprvtiotech.com/products/ald-200
Heated Diode  0.14oz./yr 2 sec 500 hours $109.99 
1. 3 modes of sensitivity with maximum sensitivity up to 0.14oz./yr
 2. Audible & Visual Alarm with Mute Function 
3. Reset Function 
4. Peak function records the max. 
5.2.8' Large Screen: value of leaks 
6. rechargable battery
7. Detects all HFC, CFC, HCFC, HFO and blends (Avoid explosive and flammable refrigerant gas)

Elitech Refrigerant Leak Detector ILD-200
https://www.amazon.com/dp/B07CPLWXZ2
Infrared 0.14oz/yr 2 sec 10 Years $224.99 
1. Infrared Leak Detector 
2.faster response speed 
3. maximum sensitivity is up to 0.14oz/yr.
4.Detect all kinds of halogen refrigerants including CFCs, HFCs, HCFCs, HCs, HFOs and mixed refrigerants such as  R11/R22/R404a/R410a/R600a/R1234yf and Blends such as AZ-50, HP62, MP39 etc.

APRVTIO Refrigerant Leak Detector ALD-300
https://aprvtiotech.com/products/ald-300
Infrared 0.11oz/yr 2 sec 10 Years $199.99 
1. Infrared Leak Detector
2.faster response speed
3. maximum sensitivity is up to 0.11oz/yr.
4.Detect all kinds of halogen refrigerants including CFCs, HFCs, HCFCs, HCs, HFOs and mixed refrigerants such as R11/R22/R404a/R410a/R600a/R1234yf and Blends such as AZ-50, HP62, MP39 etc.