Are you trying to find refrigerant leak detectors among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling refrigerant leak detectors on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 18 hours of research and did 28 refrigerant leak detectors tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best refrigerant leak detectors you can buy today
![Xetron HVAC Refrigerant Leak Detector with UV LED,Automotive AC [R134A R410A R22 R1234YF] Freon Sniff Halogen Gas Leak Detector, 6 Adjustable Sensitivity, CFCs HCFCs HFCs HFOs CLD-100UV](https://m.media-amazon.com/images/I/317i7XWQZzL.jpg "The 8 Best refrigerant leak detectors of %currentyear% 24")
- 【Certificated by SAE-J1627 and EN14624 Standards】Stop false alarms from soap bubbles solution. CLD-100 【With UV + White flashlight】, an advanced version of WJL-6000. Continuous detection mode, instantly responding to all halogenated gases (including chlorine, fluorine, bromine): [CFCs: R12, R11, R500, R503 etc.] [HCFCs: R22, R123, R124, R502 etc.] [HFCs: R134a, R1234yf, R404a, R125, R438a etc.] [HFOs: R1234 etc.] [Hydrocarbon: R290, R600a etc.] [ Blends: AZ-50, HP62, MP39, R410a etc.]
- 【6 Modes of Sensitivity to Reach the Best Detection】20cm flexible sensing tip with max.sensitivity of 0.21oz/yr(6gr/yr). You can manipulate the probe into the way you want to go. It's powered by 4 AAA batteries with low Battery Warning.
- 【The Less Warm-up Time】Warm-up time < 6s. Reset time: 2~10s. Reset function sets itself to ignore the ambient level of Halogen gas.
- 【Automatic Zero-Point Calibration with Visual and Audible Alerts】It starts to BEEP and FLASH REGULARLY after being turned on in the flesh air, any leak above zero will be detected. Closer it reaches to halogen leak, more rapidly it beeps and flashes. 【Heated Diode CLD-200 ASIN: B09Q13XDZN, Infrared CLD-300 ASIN: B09Q5MVSHQ CAN MUTE ALARM】. Automatic circuit focus on the change of halogen to avoid false alarm.
- 【Trouble-free Warranty by reaching us】 Zero risk, one year warranty and lifetime customer service.
- Sensitivity of 0.25 oz./year (7 g/year)
- Detects all CFCs, HCFCs, HFCs, and HFOs. A2L Certified
- Proven heated diode sensor for reliable leak checking
- Sensor Life: 100 hours
- No false alarms from soap solutions
- Automatic background adjustment ("zeroing")
- Runs on two D-cell alkaline batteries
- Rugged carrying case included
- Made in the United States, US Technician Support via Email and Phone
- [All Halogenated Gas] Freon leak detector triggers on R22, R134A, R404A, R410A, R1234YF and all halogenated refrigerants including HFCs, CFCs,HCFCs and blends.
- [7 Adjustable Sensitivity] Turn the knob to open and choose the sensitivity level. Maximum sensitivity up to 0.21oz/yr, which is enough to self -check auto AC or air conditioning and other.
- [Multiple Indicators] Equipped with Audible and Visual gas leakage indicators and dual battery indicators.
- [Turn On and Use] The electronic refrigerant leak detector response within 3 seconds. Warm up in 6 seconds, the shortest time in gas detectors.
- [7.9-inch probe] A flexible probe allows detections in difficult and hard-to-reach areas. 24/7 US Technician Support via Email and Phone.
- 【Two-Color LED Light】The Freon tester comes with UV lamp + white flashlight. UV lamp is used with fluorescent agent, white light is suitable for illuminating dark and small places.(LED light contains battery)
- 【Upgraded Version of WJL-6000】WJL-6000Pro halogen leak detector is the upgraded version of the classic WJL-6000 with higher sensitivity. New upgraded LCD screen displays sensitivity level and refrigerant gas leakage level, even multiple alarm functions.
- 【Higher Sensitivity】7.9 inch flexible sensing tip with with higher sensitivity(up to 0.14oz/yr.) that compared with WJL-6000(0.21oz/yr), It can continuously work for 50 hours with 4*AAA batteries power supplied.
- 【Visualization of leakage levels】The new upgraded LCD screen will display the leakage level of refrigerant gas. In addition, adjust the sensitivity by pressing the button, LCD screen will display sensitivity level.
- 【Multi-Alarms】The audible and visual display alarms in the leakage tester can easily help you to locate where the leakage is. Once leaking gas is detected, the beep frequency will increase. The more gas leaked, the quickly the buzzer beeps, at the same time, the LCD screen displays the leakage level.
- Heated Diode Refrigerant Leak Detector
- Sensitivity better than 0.03 oz/yr (1g/a)
- Bright, LCD screen with easy-to-see bar graphs and numeric readings
- 18-hour USB rechargeable lithium-ion battery
- Detects all HFC, CFC, HCFC, HFO and blends
- 【High Sensitivity and Adjustable】3 modes of sensitivity with maximum sensitivity up to 0.14oz./yr. You can increase or decrease the sensitivity to find the leak in different situations. 16 inch sensor probes that allows you to reach hard-to-reach areas.
- 【Audible & Visual Alarm with Mute Function】When the leakage is detected, the refrigerant leak detector screen will show the leakage level, and more rapidly it beeps. Press the MUTE button to turn on/off the buzzer.
- 【User-friendly Design】 Reset Function of the freon leak detector allows you to identify leaks without the false positives of the background concentration. Peak function records the max. value of leaks. The built-in 3000mAh rechargeable battery of the freon tester is more environmentally friendly and provides continuous 6 hours working time.
- [CFCs: R12, R11, R500, R503 etc.] [HCFCs: R22, R123, R124, R502 etc.] [HFCs: R134a, R404a, R125, R438a etc.] [HFOs: R1234 etc.] [HCs(Hydrocarbon): R290, R600a etc.] [ Blends: AZ-50, HP62, MP39, R410a etc.] [PFC: PFC-14, PFC-116, PFC-218, etc]
- 【Worries Free Gas Detector 】We offer one-year warranty for the Halogen leak detector. If you have any questions, please contact us and see more product information on the details page.
- Infrared Refrigerant Leak Detector
- State-of-the-art infrared sensor
- Massive backlit LCD screen provides clear, easy-to- see information
- Sensitivity better than 0.03 oz/yr (1g/a)
- Detects all HFC, CFC, HCFC, HFO and blends
- Infrared Leak Detector: Compared with the heated diode leak detector, the infrared refrigerant leak detector has strong anti-interference ability, faster response speed, more accurate and longer service life.
- Higher Sensitivity: Adjustable sensitivity with High/Medium/Low levels and the maximum sensitivity is up to 0.14oz/yr. Meet SAE-2791 & SAE-2913 standards for automotive AC leakage detection as well as the refrigeration industry.
- Detecting All Halogenated Gases: It can 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.
- 2.8' Large Screen: Do not missing any leakage. The peak display clearly indicates the orientation of the leak detection point and provides users with a quiet working environment.
- US Local Team R&D and Service: We offer 24/7 customer service and technical support.
- Traditional coronal sensor with upgraded low-energy CPU, more stable and fast triggers on R11, R22, R134A, R404a, R410A and all halogenated refrigerants including HFCs, CFCs,HCFCs and blends.
- Response in 3 seconds; Warm up in 6 seconds.
- 7 adjustable sensitivities with the max sensitivity of 0.11oz/yr.
- 14 inches flexible stainless steel probe with 2 alternative sensor tips
- Modular sensor,convenient for maintenance.Powered by: 2 C Alkaline batteries(included). 24/7 US Technician Support via Email and Phone.
- Refigerant leak detector and portable monitor
- Cloud hunter and pinpoint modes is like having two leak detectors in one
- All new, redesigned infrared sensor.
- Longest sensor life in the industry
- Detects all CFCs, HCFCs, HFCs, HFOs and CO2 (Requires CO2 sensor, sold separately)
- Completely field replaceable (Sensor, battery, filter, probe)
- New lithium Ion Battery
- Automatic and manual zero modes
- Sensitivity of 0.03 oz./year (1 g/year) will not degrade over time
- 【Detect All Refrigerants】Freon leak detector can detect all halogen refrigerants,including CFCS (R12, R11, R500, R503), HCFCs (R22, R123, R124, R502), HFCs (R134a, R410a, R404a, R125),detect other mixtures AZ-50, HP62, MP39, etc.It detects refrigerant leakage in air conditioning and refrigeration systems,detect ethylene oxide gas leak in medical equipment,detect SF-6 in high-voltage circuit breakers,detect cleaning agents for dry cleaning equipment,detect halon gas leakage in fire extinguishers.
- 【High Sensitivity & High Precision & High Stability】R134A R410A R22 refrigerant leak detector uses a high-sensitivity sensor, and a built-in mechanical pump pumps air for sampling, providing a positive airflow for the probe sensor, so it can fast respond and detect tiny refrigerant gas. Freon leak detector is controlled by a microprocessor with advanced digital signal processing capabilities to provide you with high accuracy of detection, bringing you high stability and reliability.
- 【Adjustable 6 Levels (32X) Sensitivity】The leak detector hvac provides a 32-fold sensitivity increase from 1 to 6 levels. Sensitivity can be adjusted with the sensitivity button, doubling or halving each press. The higher the sensitivity, the faster the sound frequency. Adjust to the required sensitivity according to the detection environment, the measurement accuracy of the halogen gas leak detector hvac will be higher.
- 【Sound and Light Dual Alarm】When the gas is detected, the red indicator of freon leak detector will light up and the refrigerant leak detector hvac will emit a buzzing warning. The higher the concentration of leaking gas, the more red lights will be on, and the sound frequency of the alarm will be faster.
- 【Environment Reset Function】After pressing "reset" button, freon leak detector will automatically set to ignore the refrigerant concentration on probe sensor, and will only alarm when the refrigerant concentration is higher than the current environment. This feature helps you efficiently track down higher-concentration leaks. (Note:The device automatically turns on the environment reset function by default when starting up. It is recommended to start up in fresh air without refrigerant leakage).
- 【Battery Test&LCD Indicator&14" Flexible Stainless Steel Probe】Bright LCD lights indicate the degree of leakage in a progressive manner, clear at a glance, helping you to quickly identify. It is also used to display the sensitivity level and battery level, remind you to replace it in time. Stainless steel probe tube of refrigerant leak detector is 14inch/35.5cm long and can be bent at will, so the position of the leak can be easily accessed and detected even in difficult and hard-to-reach areas.
- 【Soft-touch Button & Ergonomic Rubber Handle & Portable Toolbox】HVAC leak detector is equipped with a touch button for easy operation, and the handle is ergonomically designed and covered with rubber, making it comfortable to grip. Leak detector hvac also comes with a toolbox, which is convenient for you to carry around. The package includes 3pcs sensing tips with protective cover and 2pcs “C” batteries.
- Freon leak detector triggers on R22, R134A, R404a, R410A and all halogenated refrigerants including HFCs, CFCs,HCFCs and blends.
- Response within 3 seconds; Warm up in 6 seconds.
- 7 Adjustable Sensitivity; Maximum sensitivity is 0.21oz/yr.
- A flexible probe around 7.9-inch allows detections in difficult and hard-to-reach areas. 24/7 US Technician Support via Email and Phone.
- Audible and visual gas leakage indicators and dual battery indicator and 2 replacement probe tips.
- UPGRADED MODEL FROM LD-100: Comes with a high-precision heated diode sensor with longer life. It triggers on R11/R22/R404a/R410a/R600a/R1234yf and all halogenated refrigerants including CFCs, HFCs, HCFCs, HCs, HFOs, and blends.
- TWO DETECTION MODE: Automatic and manual mode suitable for locating leaks in various complex environments.
- FAST RESPONSE: Warms up in the 30s and responds in 3s; 3 adjustable sensitivity with maximum sensitivity 0.11oz/yr.
- HIGH EFFICIENCY: The new pump-suction structure increases the sensitivity while having the anti-water absorption function at the same time.
- SAFE & RELIABLE: Meets CE, EN14624, and SAE-1627 industrial standards. 24/7 US Technician Support via Email and Phone.
- Patented 3 LED UV lights with 395-415 nm wave length is optimum for a/c dye fluorescence
- Sweep mode function to pinpoint leak source with automatic calibration and reset to ambient
- UV wave-length: 395-415 nanometers
- Unique 120 x 160 full color graphic LCD screen with user friendly message and error screens
- 3 adjustable sensitivity levels, and 17 inches probe length
- Fit type: Universal Fit
- 【ALL-PURPOSE AND VERSATILE】 This gas leak detector is ideal for detecting any leaks in refrigeration units, natural gas or propane gas systems, air conditioning systems, exhaust ducts, pipes, valves, joints and compressors. It is also perfect for tire air leakage detections. It will not cause corrosion on metal surfaces or damage plastic or rubber. The application process is also safe and easy, and cleanup is a breeze.
- 【QUICK AND SENSITIVE】 FavorCOOL micro gas leak detector foam spray is non-corrosive, non-toxic, non-flammable and non-residual. It can quickly, easily and reliably find the location of leaks no matter how mico it is, especially suitable for complicate pipe systems or other gas containers (crack or void locations). The foam spray can hang and stay securely to any angle on any surfaces and precisely identifies leaks of any sizes.
- 【STAYS ON ANY SURFACES & LAST LONG】No dripping! This gas leak detector spray is a water based foam spray that provides high density and fine uniform cell structure, it bubbles up large and stable bubbles easily visible where leaks are located, the product can detect leaks of any gas, including petoleum natural gas, propane gas, Freon or any other refrigerant gas, nitrogen, air and CO2. The long-lasting and better adhesive bubbles ensure constant hanging on any surfaces without worrying dripping.
- 【UNDER ANY CONDITIONS & AT ANYWHERE】 The freon leak detector is a new generation of foam pressurized sprayer that is both efficient and secure. Its high-density foam produces large, long-lasting, well-defined bubbles that stand up under pressure and high wind conditions. This leak locator foam spray is resistant to cold weather and high temperatures and is also environmentally friendly, non-toxic, and non-corrosive.
- 【SAFE AND ENVIRONMENT FRIENDLY】 Our leak detector is GREEN, environmental friendly, non-toxic and non-corrosive, making it safe for use in any environments.
- Upgraded 5 LED indicators reflect gas concentration.
- Freon leak detector triggers on R22, R134A, R404a, R410A and all halogenated refrigerants including HFCs, CFCs,HCFCs and blends.
- 7 Adjustable Sensitivity; Maximum sensitivity is 0.21oz/yr.
- Response within 3 seconds; Warm up in 6 seconds; Audible alarm and low battery indicator.
- A flexible probe around 7.9-inch allows detections in difficult and hard-to-reach areas. 24/7 US Technician Support via Email and Phone.
- 3-in-1 A/C leak detector tool kit helps to check out automotive air conditioner freon leak locations. Inlcude 1x freon leak tester (4*AAA batteries NOT INCLUDE), 1x UV Flashlight (6*AA batteries NOT INCLUDE), 1x UV protective glasses.
- Freon Leak Detector (1) - Professional freon leak detector triggers on R410A R134A R1234YF R12 R22 R502 and all chlorinated refrigerants including HFCs, CFCs,HCFCs and blends.
- Freon Leak Detector (2) - Equipped with flexible probe around 7.9-inch allows detections in difficult and hard-to-reach areas. Fast response within 3 seconds and warm up in 6 seconds. Upgarde 7 sensitivity level with 0.21oz/yr. max sensitivity.
- UV Flashlight (1) - Professional grade Ultra intensity 385-395 nm with 100 top quality LED uv flashlight helps you to find ac system leak-position EVEN in garage or outdoors.
- UV Flashlight (2) - Ultraviolet flashlight is premium aluminum construction with anti abrasive surface treatment, non-slip textured grip, lanyard useful either to wrap wrist or belt loop. IP44 waterproof & dustproof protection class. The lighting time up to 20 hrs.
- The gas leak detector comes with UV lamp + flashlight. UV lamp is used for a/c dye fluorescence, white light is suitable for illuminating dark and small places. (Led lights contain batteries)
- Response within 3 seconds; Warm up in 6 seconds. 7 Adjustable Sensitivity; Maximum sensitivity is 0.21oz/yr.
- Audible and visual gas leakage indicators and dual battery indicator.
- The freon tester runs on 4*AAA Batteries(NOT included).
- Freon leak detector triggers on R22, R134A, R404a, R410A and all halogenated refrigerants including HFCs, CFCs,HCFCs and blends.
- 1.【Detects All Halogen Refrigerants】The professional refrigerant leak detector can detect all CFCs, HFCs and HCFCs refrigerants, such as R12, R11, R500, R503, R22, R123, R124, R502, R134a, R404a, R125, etc. Detect Blends such as AZ-50, HP62, MP39, etc; Detect Ethylene Oxide gas leaks; Detect SF-6 in high-voltage circuit breakers; Detect most gases containing Chlorine, Fluorine and Bromine; Detect cleaning agents used in dry cleaning applications; Detect Halon gases in fire extinguishing systems.
- 2.【Power Indication and Battery Test Function】(1) After the leak detector is turned on, the leftmost LED is green, orange or red, indicating the battery power. (2) The battery test function is activated by pressing the battery test key. When pressed, the LED light will display the real voltage in red. The color position of the red LED light corresponds to the voltage. Except for the first LED light can display green, orange or red, the rest of the LED lights only display red.
- 3.【Automatic Circuit/Reset Function】Upon initial power on, the refrigerant leak detector automatically sets itself to ignore the level of refrigerant present at the tip. Or press the reset button, and the LED lights will light up red for one second, which will make the circuit ignore the level of refrigerant present at the tip. Only a level, or concentration, greater than this will cause an alarm. Note: If the probe is turned on where there is already a leak, the leak will not be detected.
- 4.【Six Levels of Sensitivity Adjustment】After the HVAC leak detector is turned on, the sensitivity is automatically set to level 5. Press the up/down key to adjust the sensitivity, short press or long press will have different adjustment effects. When the key is pressed, the LED light will display red, and the number of LED lights on indicates the level of sensitivity. NOTE: Each time the sensitivity level is increased or decreased, the relative sensitivity is doubled or halved.
- 5.【6 Alarm Levels - Sound and Light Prompts】The refrigerant leak detector features 6 alarm levels, providing a clear indication of relative leak size and strength. The progressive indicators can be used to home-in on a leak, as the increasing alarm levels indicate that the source (highest concentration) is being approached. Each level is indicated by the number of red LED lights, the higher the level, the more red LED lights.
- 6.【Advanced Microprocessor & 14-inch Probe & Rubber Handle】The refrigerant leak detector has an advanced microprocessor, which monitors the sensing tip and battery voltage levels 4000 times per second, compensating for even the most minor fluctuations in signal, which makes the leak detector work stably and reliably in almost all environments. The 14-inch elastic stainless steel shaping probe can be bent at any angle; the rubber handle is comfortable to hold.
- 7.【Packing List and 3-Year Warranty】The refrigerant leak detector kit include a refrigerant leak detector, 2pcs replacement sensing tip protectors, 2pcs “C" cell batteries, an English manual, and a carrying case. We provide a 36-month free warranty and 24-hour friendly customer service to ensure your shopping experience. If you have any questions about this HVAC freon leak detector, please feel free to contact us and we will provide you with a satisfactory solution as soon as possible.
- DIGITAL SIGNAL MICRO-PROCESSOR provides precise and instant responses
- SENSITIVITY LEVEL ADJUSTMENT with 3 levels of sensitivity and 5 levels of detection
- STATE OF THE ART FEATURES including visual leak level indicator, keypad control and reset function
- VARIABLE FREQUENCY audible alarm
- DETECTS ALL REFRIGERANTS CFC’s , HCFC’s, HFC’s and blends
- Fit type: Universal Fit
How to choose a good refrigerant leak detectors
Does the idea of finding a fantastic refrigerant leak detectors make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in refrigerant leak detectors. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top refrigerant leak detectors products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top refrigerant leak detectors on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top refrigerant leak detectors brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top refrigerant leak detectors based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the refrigerant leak detectors were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good refrigerant leak detectors, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your refrigerant leak detectors.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting refrigerant leak detectors for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our refrigerant leak detectors. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what refrigerant leak detectors should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on refrigerant leak detectors.
