Tools & Equipment

45 Best ac leak detector 2022 – After 165 hours of research and testing.

Written by Alex Rowe

Now that you are here, you must be looking for the best ac leak detector! If you aren’t for it, you shall use our search and look for the topic you are interested in. As this piece is a lengthy one and covers a few more aspects other than the best list, they are the best ac leak detector brands in United States of America and a buyer’s guide for making an informed buying decision.

Before we begin with the list, We ask you to make a list of things that you are looking for in a ac leak detector. It could be anything which you’ll require when doing tasks. This will help you have some clarity about the important things and will help you save money by not overspending on the features you won’t use or a product that has more features!

You surely are here for being able to make an informed buying decision when it comes to ac leak detector and you must be looking for the list, We know that! But before we begin, we’d like to tell you that, this is the most unbiased list ever, it has specs, lists down the features of the ac leak detector, best brands and has a dedicated buyer’s guide for people in United States of America.

Full Disclosure: This article might have a few external links to Amazon and other informative sources. When you make a purchase on Amazon using our link, we’ll earn a small fee without you having to pay extra for the item. This helps us keep the site running and publishing more awesome content, add more research and never let people buy bad-quality products!

Best ac leak detector in 2021

1. Elitech WJL-6000 HVAC Leak Detector Halogen Gas Tester HVAC Refrigerant AC Sniffer R22 R410A R134A -Automotive

By Elitech

  • Response within 3 seconds; Warm up in 6 seconds.
  • 24/7 US Technician Support via Email and Phone.
  • Audible and visual gas leakage indicators and dual battery indicator.
  • 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.
  • A flexible probe around 7.9-inch allows detections in difficult and hard-to-reach areas

2. Robinair LD7 Premium Refrigerant Leak Detector -Automotive

By Robinair

  • UV wave-length: 395-415 nanometers
  • Fit type: Universal Fit
  • 3 adjustable sensitivity levels, and 17 inches probe length
  • Unique 120 x 160 full color graphic LCD screen with user friendly message and error screens
  • 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

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

By REALHUNLEE

  • 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
  • 3xAA batteries NOT included(due to the shipping policy)
  • No Risk Purchase & 1-Year Money-Back Guarantee– This Car AC Leak Detection Flashlight Kit comes with 100% Satisfaction Guarantee! We will give you a satisfactory solution within 24 hours! Provide you better after-sales service and longer product protection which up to 1 years! REFUND OR REPLACEMENT IF THERE IS ANY PROBLEM WITH YOUR FLASHLIGHT.
  • Wide Range of Applications & Durable — This uv 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
  • The lighting time up to 20 hrs!!This UV Auto Leak Detector Flashlight also covers larger area without weaken the light
  • Professional Grade & High Accuracy– Pro High-intensity true ultraviolet leak detection flashlight, INCLUDE UV GLASSES! 12.3 W 385-395nm uv 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!
  • Help you inspect the leak stains in seconds! Impact resistant military grade aluminum weighing.
  • Essential tool for medical forensics, Auto car leaks, HVAC repair and so on.Help you to save thousands of dollars,efforts and time!
  • Save Your Money & Time — Works with all types of UV 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

4. Elitech ILD-200 Infrared Refrigerant Leak Detector HVAC Halogen Gas AC Sniffer -Automotive

By Elitech

  • With the latest and most innovative infrared sensor, its sensor life extends enormously for a maximum of 10 years
  • The world’s first TFT screen advanced leak detector animates leakage, sensitivity, battery levels and sensor faulty indicators and presents more clear and easy readings.
  • Responds to all kinds of halogenated refrigerants and meets EN14624, SAE-162, SAE-2791 and SAE-2913 standards.Free return or exchange within 3 months! 24/7 US Technician Support via Email and Phone.
  • 3 Selectable Sensitivity Levels -High/Medium/Low; With a maximum sensitivity up to 0.14oz/yr.
  • It triggers on all halogenated refrigerants much more precisely than traditional corona sensors and moderate heat-diode sensors.
  • Pressing PEAK button to mark the maximum leakage value during measurements.

5. 4 ALLTECH WJL-6000 pro Freon Refrigerant Halogen AC Leak Detector with UV LED Spotlight and Case R22 R134A A/C System Diagnose Tool -Air Conditioning Line Repair Tools

By 4ALLTECH

  • Equipped with a 2-Modes spotlight (blue and white LED light), allowing you to work under dark circumstances
  • 7 Adjustable Sensitivity; Maximum sensitivity is 0.21oz/yr (6g/yr).
  • A flexible probe around 7.9-inch allow detections in difficult and hard-to-reach areas.
  • Freon leak detector triggers on R22, R134A, R404a, R410A and all halogenated refrigerants including HFCs, CFCs,HCFCs and blends.
  • Bi-Color indication for batter and voltage.
  • Internal high precision and stabilivolt IC, ultra-low power consumption, more stable operation, longer battery life,audible and visual gas leakage indicators and dual battery indicator

6. Orion Motor Tech AC Gauges and Vacuum Pump, with Leak Detector, 5FT Hoses, Quick Couplers, 4 CFM Vacuum Pump and Manifold Gauge Set for R134a, R12, R22, R502 Refrigerant -Automotive

By Orion Motor Tech

  • HELPFUL ACCESSORIES: This vacuum pump and gauge set comes with the necessary lubricating and absorptive oil provided, along with a funnel and one-size-fits-most gloves for quick and clean replacement when needed; an adapter also allows use with 1/2″ hoses; a durable case for easy storage, and a carry tote to keep everything organized for convenient transport between jobs
  • SAFE AND DURABLE: The motor’s high-quality copper construction offers efficient and dependable service at a 4 cfm flow rate; the reinforced aluminum alloy casing effectively dissipates heat generated during operation and resists chemical corrosion for years of helpful use
  • GUARANTEED SATISFACTION: Get right to work evacuating and recharging your HVAC systems with this auto air conditioning recharge kit, reassured by its strong 1 year warranty and OMT’s usual friendly 24/7 customer service!
  • WIDE APPLICATION: The included adapters and hoses in this air conditioning recharge kit are compatible with a wide range of refrigerants, including R134a, R12, R22, and R502, making them perfect for indoor and auto HVAC systems
  • COMPLETE SET: This complete air conditioner servicing tool kit includes a powerful 1/3 hp vacuum pump, a manifold gauge, a leak detector, 3 hoses, a storage case, and a carry bag for easy refrigerant evacuation, recharging, and other AC repair work

7. Inficon Refrigerant Leak Detector, Model:705-202-G1 -Air Conditioning Line Repair Tools

By Inficon

  • Proven heated diode sensor for reliable leak checking
  • Automatic background adjustment (“zeroing”)
  • A2L Certified
  • Sensor Life: 100 hours
  • Runs on two D-cell alkaline batteries
  • Rugged carrying case included
  • Sensitivity of 0.25 oz./year (7 g/year)
  • No false alarms from soap solutions
  • Made in the United States, US Technician Support via Email and Phone
  • Detects all CFCs, HCFCs, HFCs, and HFOs

8. Elitech CPU-1G HVAC Leak Detector Halogen Gas Tester HVAC Refrigerant AC Sniffer R22 R410A R134A -Automotive

By Elitech

  • 24/7 US Technician Support via Email and Phone.
  • 7 adjustable sensitivities with the max sensitivity of 0.11oz/yr.
  • Modular sensor,convenient for maintenance.Powered by: 2 C Alkaline batteries(included)
  • Response in 3 seconds; Warm up in 6 seconds.
  • 14 inches flexible stainless steel probe with 3 alternative sensor tips
  • 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.

9. MASTERCOOL 56200 Blue Raptor Refrigerant Leak Detector with UV Light -Automotive

By MASTERCOOL

  • DIGITAL SIGNAL MICRO-PROCESSOR provides precise and instant responses
  • STATE OF THE ART FEATURES including visual leak level indicator, keypad control, mute and reset function
  • VARIABLE FREQUENCY audible alarm
  • Fit type: Universal Fit
  • SENSITIVITY LEVEL ADJUSTMENT with 6 levels of sensitivity and 15 levels of detection
  • UV/BLUE LED LIGHT is built into the end of the unit to provide ultra bright UV leak detection

10. InterDynamics Certified AC Pro Car Air Conditioner Leak Detector Dye, UV Dye for R12, R22, and R134A Refrigerant Systems, 1 Oz, 376CS -Automotive

By InterDynamics

  • Compatible with all PAG ester and mineral based refrigerant oils
  • Meets SAE J2297
  • Can be used in all R-134a R-12 and R-22 systems
  • Helps locate leaks
  • Contains four one quarter ounce applications of universal air conditioning system UV leak detection dye

11. Elitech LD-100 Heated Diode HVAC Refrigerant Leak Detector AC Sniffer -Leak Detection Tools

By Elitech

  • Safe and Reliable: Meets EN14624 and SAE-1627 industrial standards
  • High Efficiency: Built-in air pump makes faster reaction and recovery speed possible and ensures detection efficiency.
  • 24/7 US Technician Support via Email and Phone.
  • 4 Simple Buttons: It allows to fast reset, mute, power on/off, adjust sensitivity and makes LED screen visually display the leakage level and device status.
  • Fast Response: Warms up in the 30s and respond in 3s; 6-grade adjustable sensitivity with maximum sensitivity 0.11oz/yr.
  • High-precision Heated Diode Sensor: It triggers on R11/R22/R404a/R410a/R600a/R1234yf and all halogenated refrigerants including CFCs, HFCs, HCFCs, HCs, HFOs and blends.

12. Simbow Freon Leak Detector with LED Light, [2021 Upgrade] Refrigerant Halogen Leak Detector Portable R134a R410a R22a R600a R290 CFCs HCFCs HFCs Tester Air Conditioner Detection Tool HVAC -Automotive

By Simbow

  • The Freon leak detector detects all kinds of halogen refrigerants including but not limited to R11, R12, R500, R503, R22, R123, R124, R502, R125, R134a, R404a R600a R290;
  • The Freon tester comes with UV lamp + flashlight
  • Powered by: 4 x AAA 1.5 V batteries (batteries not included in the package).
  • Inner precise IC with ultra-low power consumption circuit design, more stable, longer battery life; Dual-color visual display of battery voltage;
  • We offer 100% satisfaction guarantee and one year warranty
  • Excellent sensor, high sensitivity, long lifetime
  • UV lamp is used with fluorescent agent, white light is suitable for illuminating dark and small places
  • Sensitivity adjusted at any time and the halogen leak detector can be adjusted automatically to the best state of detecting;

13. NewPosition 4CFM 1/3HP Air Vacuum Pump HVAC A/C Refrigeration Tool Kit AC with Leak Detector, Auto Repair Equipment, Manifold Gauge Set(R134A R22), 3 Hoses, Ideal for Food Packaging,Milking,Medical et -Automotive

By NewPosition

  • HVAC Gauge ReadingThe New Position HVAC service gauge set is great for diagnosing and repairing AC systems
  • Easy Oil ChangeThe vacuum pump features a simple Oil Fill Port for a clean pour and Oil Drain Plug positioned beneath the oil reservoir to quickly drain when needed
  • Checking the oil sight glass will help to ensure the proper level of oil.
  • Simple But ProfessionalNew Position Powerful HVAC refrigeration kit,4CFM、1/3 HP、single-stage rotary air vacuum pump,low noise with internal high volume cooling fan for extended use.
  • Ideal use for R12, R22, R134a.
  • What You GetMulticolored set of three hoses, Manifold Gauge Set measures the pressure of refrigeration system at different stages,Storage Bag to keep equipment clean and dust free.
  • Heavy Duty Vacuum PumpStable copper motor enables stable operation,die-cast aluminum alloy casing keep lightweight and durable,Equipped with brass fitting tethered safety caps to prevent oil leaks during transportation and handling.

14. AUTOGEN Portable 4CFM 1/3HP Air Vacuum Pump, HVAC R134a R12 R22 R502 A/C Refrigeration Kit Manifold Gauge Set & Leak Detector &Carrying Tote(Without Oil) -Automotive

By AUTOGEN

  • What you get — 1 4CFM 1/3HP AUTOGEN air vacuum pump, 1 manifold gauge kit, 1 leak detector, 1 Carry Bag
  • Multi-functional Usage — Whether for commercial or non-commercial uses, the AUTOGEN Air Vacuum Pump can do it all! Typical air vacuum pump usage includes HVAC Refrigerant Recovery, A/C Repair, or recharging an automobile A/C
  • Unconvention usages include Wine Degassing, Medical Purposes, Automatic Milking, etc
  • Ideal use for R12, R22, R134a, and R410a Leak detector triggers all halogenated refrigerants including HFCs, CFCs, HCFCs, and blends
  • HVAC Gauge Kit & Leak Detector –AUTOGEN HVAC service gauge set is great for diagnosing and repairing AC systems
  • Easy Oil Change — The vacuum pump features a simple Oil Fill Port for a clean pour and an Oil Drain Plug positioned beneath the oil reservoir to quickly drain when needed
  • Checking the spillage meter will help to ensure the proper level of oil
  • Portable & Powerful –1/3 HP 4 CFM 1-Stage Rotary Air Vacuum Pump is designed to have high efficiency and low noise output with an internal high volume cooling fan for extended use the aluminum alloy casing has a high heat dissipation efficiency extending the use-life of the pump
  • The preventing oil returning design can prevent the oil from flowing back and causing the pumped container and tubes to be polluted

15. Elitech ILD-300 Advanced Refrigerant Leak Detector Halogen Tester for HVAC Rechargeable CFCs HCFCs HFCs 10 Years’ Life -Automotive

By Elitech

  • Peak FunctionPEAK button allows you to mark the maximum leakage value during measurements for further usages.
  • Refrigerants SelectableGAS button allows you to select the corresponding refrigerants per different leakage sources, more preferable to professional users.
  • Safe & ReliableStrong anti-interference and meets EN14624, SAE-162, SAE-2791 and SAE-2913 standards.
  • Up to 10 years’ Sensor Life Elitech self-developed this innovated sensor that enormously extends its senor life up to 10 years; and also a much more precise result on all halogenated refrigerants than the traditional corona and heat-diode sensors.
  • 3 Sensitivity Levels High/Medium/Low; With a maximum sensitivity up to 0.14oz/yr.

16. Elitech ILD-200NEW Infrared HVAC Refrigerant Leak Detector Auto Halogen Leakage Tester -Leak Detection Tools

By Elitech

  • With the latest and most innovative infrared sensor, its sensor life extends enormously for a maximum of 10 years
  • Pressing PEAK button to mark the maximum leakage value during measurements.
  • Responds to all kinds of halogenated refrigerants and meets EN14624, SAE-162, SAE-2791 and SAE-2913 standards.Free return or exchange within 3 months! 24/7 US Technician Support via Email and Phone.
  • It triggers on all halogenated refrigerants much more precisely than traditional corona sensors and moderate heat-diode sensors.
  • 3 Selectable Sensitivity Levels -High/Medium/Low; With a maximum sensitivity up to 0.14oz/yr.
  • The world’s first TFT screen advanced leak detector animates leakage, sensitivity, battery levels and sensor faulty indicators and presents more clear and easy readings.

17. VIVOHOME 110V 1/3 HP 4CFM Single Stage Rotary Vane Air Vacuum Pump and R134a AC Manifold Gauge Set Kit with Leak Detector Carry Bag for HVAC Air Conditioning Refrigeration Recharging ETL Listed -Automotive

By VIVOHOME

  • MANIFOLD GAUGE SET DESIGNED – Manifold gauge set is designed specially to measure pressure in refrigeration equipment; Carry bag is included for convenient storage and easy transpiration; Manifolds are equipped with large viewing glasses for easy viewing of refrigerant flow, and high-quality colorful pressure gauges ensure accurate readings
  • PACKAGE – Package includes 1 single stage vacuum pump, 1 bottle of oil, 1 leak detector and gauge set; Ideal for automotive air conditioning, HVAC work, refrigeration and other applications and industrial requirements that need high vacuum pull from a compact pump
  • HEAVY-DUTY VACUUM PUMP – Made of die-cast aluminum housing and a composite anti-slip rubber base, which is lightweight and durable; Perfect for those who are looking to self diagnose or recharging AC systems; It maintains air conditioning systems by efficient removing moisture before refilling the refrigerant
  • COLOR-CODED HOSES – Color-coded hoses help identify the high-pressure side (red), low-pressure side (blue), and the filling hose (yellow); The hoses are made of rubber and feature a leak-proof seal design, which is very flexible, durable and not easy to damage; Perfect for maintaining R134a, R12, R22 and R502 air conditioning systems; NOT SUITABLE for R410a air conditioning systems
  • COMFORTABLE & PORTABLE DESIGN – Ergonomic grip handle is designed for superior comfort and portability; Built-in high volume cooling fan for extended use; Oil sight glass allows you to observe the oil level and quality at any time; The oil drain valve at the bottom ensures faster and more thorough emptying; 1 bottle of 500ml vacuum oil is also included

18. Elitech HLD-100+ HVAC Refrigerant Leak Detector AC Sniffer Automotive Halogen Gas Tester -Automotive

By Elitech

  • An alternative sensor tip is included.
  • 24/7 US Technician Support via Email and Phone.
  • 7 Adjustable Sensitivity with max
  • Response in 3 seconds; Warm up in 6 seconds
  • sensitivity of 0.11oz/yr.
  • 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.
  • Audible and visual gas leakage indicators and dual battery indicator.
  • Meets EN14624 and SAE-1627 Standards

19. Elitech HLD-200 HVAC Refrigerant Leak Detector AC Sniffer Automotive Halogen Gas Tester -Leak Detection Tools

By Elitech

  • Upgraded Leak Detector: Upgraded circuit, low-consumption, compact size, easy to hold and carry.
  • Replaceable Battery: 2AA Batteries needed ( included in the package ) to power on and equip with a tri-color indicator light to display battery level.
  • Fast Response: With auto calibration, it warms up in 6s and responds in 3s when leakage detected and flashes leakage level indicator light.
  • Adjustable Sensitivity: 7 Grade sensitivity with maximum sensitivity of 0.11oz/yr., suitable for all kinds of leak detections.
  • 24/7 US Technician Support via Email and Phone.
  • Safe and Reliable: Meets EN14624 and SAE-1627 industrial standards, and responds to R11, R22, R134A, R404a, R410A and all halogenated refrigerants including HFCs, CFCs, HCFCs and blends

20. MASTERCOOL 53351-B Professional UV Leak Detector Kit with 50W Mini Light, Black -Automotive

By MASTERCOOL

  • FLUORESCENT DYE includes 1 oz bottle of engine oil/ATF/gas and diesel fluorescent dye and a 1 oz bottle of engine coolant fluorescent dye
  • CARTRIDGE TYPE DYE INJECTOR with 10 applications of concentrated A/C dye
  • COMPACT & LIGHTWEIGHT to easily pinpoint leaks in an array of applications
  • UV ENHANCING SAFETY GLASSES protects eyes from UV light
  • 12V (50W) MINI UV LIGHT provides true intensity ultraviolet leak detection

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21. MASTERCOOL 56100 Blue Raptor Refrigerant Leak Detector -Automotive

By MASTERCOOL

  • VARIABLE FREQUENCY audible alarm
  • Fit type: Universal Fit
  • DETECTS ALL REFRIGERANTS CFC’s , HCFC’s, HFC’s and blends
  • 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
  • DIGITAL SIGNAL MICRO-PROCESSOR provides precise and instant responses

22. Elitech WJL-6000S Freon HVAC Halogen Refrigerant Leak Detector R22 R410A R134A R1234YF AC Sniffer -Automotive

By Elitech

  • 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
  • Freon leak detector triggers on R22, R134A, R404a, R410A and all halogenated refrigerants including HFCs, CFCs,HCFCs and blends.
  • Upgraded 5 LED indicators reflect gas concentration.
  • 24/7 US Technician Support via Email and Phone.
  • 7 Adjustable Sensitivity; Maximum sensitivity is 0.21oz/yr.

23. Rectorseal 65554 8-Ounce Bottle Better Bubble Leak Locator -Leak Detection Tools

By Rectorseal

  • It is biodegradable
  • It will not corrode metal surfaces or attack plastic or rubber
  • Its thick formula can be used at various temperature and pressure applications
  • It is the newest and most advanced leak locator formula
  • It detects leaks of refrigerant gases, air, oxygen, and most other gases

24. Elitech WJL-6000S HVAC Halogen Refrigerant Leak Detector R22 R410A R134A R1234YF Freon AC Sniffer -Automotive

By Elitech

  • 24/7 US Technician Support via Email and Phone.
  • 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
  • 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; Audible alarm and low battery indicator.
  • Upgraded 5 LED indicators reflect gas concentration.

25. Elitech LD-200 Heated Diode HVAC Refrigerant Leak Detector AC Sniffer Rechargeable -Leak Detection Tools

By Elitech

  • 7 selectable sensitivity levels, respond to all halogenated refrigerants (including Chlorine and Fluorine) and offers the greatest sensitivity and fastest response.
  • Rechargeable 3.7V high capacity lithium battery; longer sensor life than traditional leak detector
  • Conforms to CE standard and SAEJ1627 standard
  • Flexible stainless probe to detect the hard-to-reach areas, 24/7 US Technician Support via Email and Phone.
  • Employs a high sensitive heated diode sensor combined with a sophisticated microprocessor-controlled circuit.

26. Nikauto Auto Air Conditioner Flashlight Leak Detector Tool Car AC Leak Test Flashlight UV Protective Glasses -Automotive

By Nikauto

  • Long-term effective
  • High accuracy
  • The leak detector flashlight wide range of applications
  • Easy to use
  • Pollution-free, environmentally friendly

27. Kidde Carbon Monoxide Detector, Plug In with Battery Backup, CO Detector, KN-COP-DP2 -Tools & Home Improvement

By Kidde

  • UL Certified, 10-year limited warranty
  • Easy & quick installation – plugs directly into your home’s standard wall outlet, 85 decibel alarm alerts of fire
  • CO detector that alerts with a warning signal against dangerous levels of carbon monoxide in your home
  • Whole home family protection – place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases
  • Protects during a power failure – 2-AA batteries, included with pack, provide backup service in the event of a power outage

28. Kasa Smart Light Switch HS200, Single Pole, Needs Neutral Wire, 2.4GHz Wi-Fi Light Switch Works with Alexa and Google Home, UL Certified, No Hub Required , White -Tools & Home Improvement

By Kasa Smart by TP-Link

  • Scheduling: Use timer or countdown schedules to set your smart switch to automatically turn on and off while you’re home or away
  • Easy guided install: Neutral wire is required, standard wall plate size
  • Voice control: Enjoy the hands-free convenience of controlling the lights in your home with your voice via Amazon Alexa or Google Assistant; perfect for times when your hands are full or entering a dark room
  • Need 2.4GHz Wi-Fi connection
  • Enable ‘away mode’ to randomly switch on and off to trick potential intruders
  • Trusted and reliable: Designed and developed in silicon valley, Kasa is trusted by over 4 million users
  • UL certified for safety use.
  • No need to understand complex switch wiring or master vs auxiliary switch configurations; The Kasa app guides you through easy step by step installation
  • Control from anywhere: Monitor your light status
  • Turn electronics on and off from anywhere with your smartphone using the Kasa app, whether you are at home, in the office or on vacation

29. Elitech IR-200 Refrigerant Leak Detector HVAC Halogen Gas Sniffer with Infrared&Heated Diode Dual Sensor -Automotive

By Elitech

  • Responds to all kinds of halogenated refrigerants and meets SAEJ 2791, SAEJ2913, EN 14624, CE standards.Free return or exchange within 3 months! 24/7 US technician support via email and phone.
  • Press the “Reset SENS” button in the clean environment to increase the sensitivity when the sensitivity is not enough; press the button to reduce sensitivity when the sensitivity is out of scale.
  • It triggers all halogenated refrigerants much more precisely than the traditional corona sensor and single heat-diode sensor.
  • Notes on “Reset SENS” button under Heated Diode mode
  • 3 levels of infrared sensitivity adjustable, 1000 levels of heating diode automatic adjustment; With a maximum sensitivity of up to 4g/yr.
  • With 2-in-1 infrared and heating diode sensors, its sensor life extends enormously for a maximum of 10 years
  • Pressing the PEAK button to mark the maximum leakage value during measurements.

30. AutoLine Pro Automotive Smoke Machine Leak Detector EVAP Vacuum Diagnostic Tester | Shop Series | Made in The USA -Automotive

By AutoLine Pro

  • Thick Smoke output detects even the smallest leaks
  • (Lifetime Guarantee!)
  • DIAGNOSE ALL TYPES OF LEAKS WITH ADAPTERSConsistently smoke test EVAP systems, Vacuum leaks, low pressure Turbo leaks, Intake Manifolds, Cooling / EGR / Exhaust Systems, worn rubber, gaskets, seals, connectors, and more! The tapered smoke injection nozzle fits into virtually all hoses and lines.
  • HOW DOES IT WORK?(1) Fill with the included OEM Approved Smoke Fluid
  • HIGH PERFORMANCE, PREMIUM BUILDMade in the USA
  • If you have any issues, don’t hesitate to contact us directly.
  • Equipped with our brand new AutoLine Pro Ceramic Smoke Coil that outputs LOTS OF SMOKE and last a Lifetime
  • Have your kit delivered to your door in just 1~3 business days! [BUYERS WHO ARE HAVING TROUBLE PURCHASING, PLEASE MESSAGE US DIRECTLY]
  • The kit operates with the included OEM Approved Fluid or you may use your own USP Mineral Oil / Baby Oil
  • PRECISE AND SAFEEngineered 100% safe for all vehicles
  • Every unit Is backed by 1 YEAR FULL COVERAGE WARRANTY! AS AN AMERICAN FAMILY BUSINESS, we stand proudly behind our products
  • (2) Fasten the Power Cable (3) Connect your Air Supply
  • ANY SIZE and ANY TYPE OF AIR COMPRESSOR WILL WORK
  • Solid Thick Metal Construction for durability
  • (4) Check for LEAKS with Smoke Detection Technology.
  • FAST, FREE, & SAFE DELIVERYALL orders shipped out same day via Expedited Shipping Priority Mail (for same day, order before 12pm PST / 3pm EST)

31. Robinair LD3 Economy Refrigerant Leak Detector -Automotive

By Robinair

  • Warms up in less than 20 seconds
  • Low battery indicator and a true mechanical pump
  • Long life, stable sensor with 3 adjustable sensitivity levels
  • 17-inch probe length with 4-hours of continuous battery believe
  • Automatic calibration and reset to ambient

32. THE BASEMENT WATCHDOG Model BWC1 Universal Replacement Sump Pump Float Switch -Tools & Home Improvement

By THE BASEMENT WATCHDOG

  • Second float provides additional protection to ensure automatic pump activation
  • Large floats detect 1/4 in
  • Compatible with most sump pumps
  • water level rises, automatically activating the sump pump
  • Allows the sump pump to run for an additional 10 seconds to drain excess water from the sump pit
  • Protective float switch cage helps keep debris and wires from interfering with float movement; vented, curved bottom reduces debris build-up under the float

33. Refrigerant Gas Leak Detector, Aprvtio LD-200 Halogen Leak Detector, Freon Detector and Leakage Tester with Rechargeable Battery, Heated Diode Sensor, for HVAC, Car, Refrigerator -Air Conditioning Line Repair Tools

By Aprvtio

  • Easy to Operate:With five-key design and it allows to fast reset, mute, power on/off, adjust sensitivity, mark the peak value of leakage and makes LED screen visually display the leakage level and device status in one simple click.
  • Three Sensitivity Adjustments: The refrigerant gas leak detector can detect all kinds of halogen gas leakage in three sensitivities(L-M-H) adjustment and response the results in real time.
  • It can quickly identify all halogenated refrigerants including CFCs, HFCs, HCFCs, HCs, HFOs and mixed refrigerants such as R11/R22/R404a/R410a/R600a/R1234yf
  • Worries Free Gas Detector:We offer 7*24 services and one-year warranty for the heated diode gas leak detector.
  • The built-in 3000mAh rechargeable battery provides continuous 6 hours working time.
  • High Efficiency: The detector warms up in the 30s and respond in 3s; Maximum sensitivity up to 0.14oz/yr
  • Advanced Heated Diode Sensor: The Freon leak detector is equipped with High-precision heated diode sensor with less interference from other gases (compared to corona sensor)

34. Leak Saver: Direct Inject Ultimate 3-in-1 Leak Sealant with Moisture Remover and UV Dye for AC, Refrigeration, and Automotive Systems up to 5 Tons – Compatible with All Refrigerants – Made in The USA -Automotive

By Leak Saver

  • Mini-splits may require a 5/16” to 1/4” charging adapter.
  • YOUR SATISFACTION IS OUR PRIORITY: We stand behind the effectiveness 100%
  • The Leak Saver injects directly and easily into the system with a basic manifold gauge set or even easier with our Leak Shot Injection Kits
  • Note: for automotive systems, you will still need the standard 134A to 1/4” charging adapter
  • It is great for central air conditioners, car and automotive air conditioners, refrigerators, ductless mini-splits, heat pumps, geothermal heat pumps, commercial refrigeration systems, micro channel coils and more
  • It also works with all refrigerants including R410A Freon, R22 and replacements, R134A, R1234yf, R404A, R290, R600a, and more.
  • 3 in 1 SEALANT + MOISTURE REMOVER + UV DYE : Our proven leak sealant now includes moisture remover and UV dye for the complete system treatment! Now, you can seal your leak, remove system moisture, or find large leaks with the UV Dye…all in one easy to install package!
  • When used for preventative maintenance, the active ingredient circulates safely in the system to seal future leaks.
  • OVER THREE MILLION UNITS SOLD SINCE 2015: The Leak Saver can permanently seal small refrigerant leaks where the complete refrigerant charge is not lost within 72 hours
  • If for any reason you are not satisfied with your product, please contact us and we will make it right.
  • WORKS WITH ALL SYSTEMS AND REFRIGERANTS : The Leak Saver Ultimate is compatible with all systems, refrigerants (except ammonia), and oils
  • It works similarly to how blood in your body reacts to a cut
  • THE EASIEST INJECTION METHOD: No more fussing with messy syringes, hoses, or pressurized cans
  • When a leak occurs, the Leak Saver reacts with the air and moisture at the leak site to permanently seal the leak

35. Wemo F7C030fc Light Switch, WiFi enabled, Works with Alexa and the Google Assistant -Air Conditioning Line Repair Tools

By WeMo

  • Wi-Fi connectivity lets you control your lights from anywhere
  • Compatible with Alexa, Google Assistant, Nest and more
  • Free Wemo app allows you to schedule your lights
  • Away Mode turns on and off lights for extra security when you’re away

36. INFICON D-TEK Select, Refrigerant Leak Detector, 712-202-G1 -Air Conditioning Line Repair Tools

By Inficon

  • Field-replaceable infrared sensor lasts for 1,000 hours
  • Sensitivity of 0.10 oz./year (3 g/year)
  • Made in the United States, US Technician Support via Email and Phone
  • High performance filter prevents sensor contamination
  • Sensitivity will not degrade over time
  • Two-year replacement warranty
  • Automatic and manual zero modes
  • Detects all CFCs, HCFCs, HFCs, and HFOs
  • Rechargeable NiMH battery
  • Rugged carrying case included

37. Certified Auto Pro Oil and Fuel System UV Dye Leak Detection for Cars & Trucks & More, 1 Oz, 374CS, Universal -Automotive

By Interdynamics

  • Contains one application of oil and fuel system UV leak detection dye
  • Professional grade
  • Helps locate leaks
  • Compatible with all weights of petroleum based lubricant
  • For use in engine oil transmissions power steering systems and gas and diesel fuel systems

38. Robinair LD5 Select Refrigerant Leak Detector -Air Conditioning Line Repair Tools

By Robinair

  • High intensity LED inspection light
  • Fit type: Universal Fit
  • User friendly message and error screens
  • Unique color graphic LCD display
  • Long life, stable sensor with 3 adjustable sensitivity levels
  • Automatic calibration and reset to ambient

39. Gas Leak Detector Portable AC Leak Detector for Home/Car Air Conditioner a/c Leak Detector, with Test Light & Flexible Probe Gas Detector, R12 R22 CFCs HCFCs R134a Leak Detector, Not Include Battery -Tools & Home Improvement

By DUOYI

  • Built-in high-precision voltage regulator,and adopts ultra-low power consumption design,the work more stable and the battery more durable.
  • 2.With boot reset & automatic follow function leak detectorThe gas leak detector has start reset and automatic tracking functions,which can ignore the concentration level of refrigerant gas in the environment
  • 5.Battery voltage indication of the leak warning light and flexible probeGreen light indicates that the voltage is normal,and orange light indicates that the voltage is close to the working limit and needs to be replaced as soon as possible.The flexible probe can enter narrow corners and spaces to check the entire refrigeration system and air conditioning
  • (NOTE: The battery is not included in the package!!! )
  • Bi-Color indication for batter and voltage.
  • 4.Leak Warning of gas detectors & alarmsWhen leaking gas is found, the”didi”sound will become faster.The more leakage,the faster the”didi”sound.At the same time,the indicator light will flash quickly.At the same time,the indicator light will flash quickly
  • 3.Sensitivity adjustable a/c leak detectorGas leak detector with adjustable sensitivity can automatically adjust to the best detection state(1-7 levels adjustable,maximum sensitivity is 0.21oz/yr)
  • Audible and visual gas leakage indicators and dual battery indicator
  • Automatic calibration,suitable for harsh environments.
  • 1.Gas detector can detect car air-conditioning systems and other refrigeration systemsThe hvac tools can be used not only for automobile air-conditioning,but also for detecting ordinary Home air-conditioning, refrigeration systems and refrigerant recovery devices,detecting leaks in medical equipment,and detecting fire extinguishing systems,etc.

40. 4CFM 1/3HP Single-Stage Vacuum Pump and R12 R22 R134A R502 Anticollision Manifold Gauge Set Refrigeration Kit with Carrying Tote, Leak Detector for HVAC A/C Refrigeration Recharging and Maintenance -Automotive

By Generic

  • It is suitable for R12 R22 R134A R502
  • It is designed with collision prevention and shock absorption.
  • Different colors are designed to help identify high pressre, low pressure and the filling hose
  • [High-quality Vacuum Pump] Our vacuum pump is designed to have high efficiency and low noise for maintaining air conditioning systems
  • The good-quality gauge improves the reading accuracy largely
  • [Three-color Hoses and Refrigerants Application] Three-color hoses are installed with brass fittings
  • The detection results are not affected by smoke, air flow or temperature change.
  • [Complete Package List] It includes 1* 4CFM Vacuum pump, 1* Manifold gauge, 1* Carrying tote, 1* Leak detector.
  • The working pressure of hose is 800PSI-4000PSI.
  • [Durable Leak Detector] Our leak detector is applicable to all the different refrigerants, and it has the same sensitivity on all the refrigerants
  • [Multi-functional Manifold Gauge] Our manifold gauge is designed to measure the pressure of the equipment accurately and repair air conditioning systems
  • The aluminum housing makes the pump light-weight and durable, the thermally protected motor is applicable for long-term operation.

Related Posts :

41. AUTOOL 12V Automotive Fuel Leak Detectors, Smoke Leak Locator Tester,Fuel Leak Detectors, Car PIPE Leakage Tester Support EVAP For All Vehicles -Automotive

By AUTOOL

  • To ensure your high-quality shopping experience, we provide 3 years warranty(longer than competing machines)
  • Please repair the part where leakage exists.
  • EVAP SYSTEM SUPPORTED — Comes with EVAP adapters, SDT-202 can help you apply with EVAP System of all vehicles to quickly find out the leak parts
  • 3 YEARS WARRANTY — 3-7days fast shipment via DHL
  • CONVENIENT TOOL FOR MACHANICS — The SDT-202 is a simple-using Smoke Machine for techs to detect the leakage of pipe systems on cars, motorcycles, such as fuel pipe, air intake system and cooling tank.
  • SPECIFICATIONS — Voltage: DC 12V(Supplied by Automotive Battery)
  • You will find out leak point in pipe in where has smoke
  • Multi Protections: Over-heat & Over-load Protection.
  • Smoke Output Value: 10-15L/min
  • Output Pressure: 10-13PSI
  • WORKING PRINCIPLE — The Smoke Machine heat up special oil(mineral oil or baby oil) into smoke and blow smoke into sealed pipe system
  • 24 hours E-mail supports can help resolve any issues of using
  • Buy and use with confidence.
  • Heating Material: Mineral Oil or Baby Oil
  • 1.2m/48inches smoke outlet pipe can help reach and connect perfectly.

42. Inficon Compass, Refrigerant Leak Detector, 717-202-G1 -Fuel Leak Detectors

By Inficon

  • Proven heated diode sensor for reliable leak checking
  • Can operate while charging
  • Advanced filter keeps out water, dirt, and oil
  • Runs on rechargeable battery or AC adapter
  • Rugged carrying case included
  • Made in the United States, US Technician Support via Email and Phone
  • Sensitivity of 0.15 oz./year (4 g/year)
  • No false alarms from soap solutions
  • Detects all CFCs, HCFCs, HFCs, and HFOs

43. LotFancy Freon Leak Detector for Halogen Gas Leakage, Refrigerant HVAC Leak Detector for CFCs HCFCs HFCs R134a R1234yf R410a R22 R11 Tester, High Accuracy, with Indicator Light -Fuel Leak Detectors

By LotFancy

  • 7 Adjustable Sensitivity, our refrigerant leak detector can be automatically adjusted to the best optimum detecting state
  • A flexible probe around 7.9-inch can reach to almost any awkward corners or space; More stable hvac leak detector with precise ultra-low power IC design
  • Make sure to put 4 x AAA alkaline batteries in it
  • We offer 100% satisfaction guarantee and one year warranty
  • HP62
  • R23, R134a, R404A, R407C, R410A, R417A, R422A, R422B, R422D, R507, R508B etc
  • HCFCs e.g
  • R11, R12, R13, R113, R114, R500, R502, R503 etc
  • HFCs e.g
  • MP39 etc.
  • Blends such as AZ-50
  • R22, R123, R124, R401A, R401B, R402A, R403B, R408A, R409A, R414B, R416A etc
  • Tricolor display of battery voltage; Siren sound and flashing light for the leak alarm indicator
  • Excellent sensor with maximum sensitivity of 0.21oz/yr, the Freon leak detector detects all kinds of halogen refrigerants including but not limited to CFCs e.g
  • Please pull out the battery holder and install all four batteries

44. 2PACK Mini Bag Sealer, Portable Heat Vacuum Sealers Plastic Sealer, 2 in 1 Heat Seal and Cutter Mini Food Sealer For Plastic Bags Food Storage -Fuel Leak Detectors

By mempedont

  • Remove the hook
  • When the battery power is insufficient, the sealing effect will be affected, you should replace the battery
  • Durable and Keep HealthyThe mini bag sealer is made from ABS material, can resistant to high and low temperatures that make it live longer
  • The “+” side is a heat sealer, press down and preheat for 3-5 seconds before using, then simply slide it along the bag
  • Please NoteThe mini bag sealer needs 2 X AA batteries (not included)
  • Easy to UsePlease open cover to preheat the item by pressing 3-5 seconds before using, then simply slide it along the edge of any bag and it’s sealed airtight
  • And you can just press and pull the mini food cutter across the bag, you don’t need to use scissors anymore.
  • With this heat sealer, you can re-use the original bag, keep foods and snacks fresher, longer and reduce food waste
  • After using, attach the hook and it will power off automatically.
  • Mini heat sealer, a necessary for whom like snacks, keep your family healthy!
  • Small and ConvenientThis mini portable plastic sealer is more compact and easy to carry, and can be easily put into your bag or pocket
  • 2 in 1 Heat Sealer and CutterQuickly seals and cuts
  • The food sealer only needs to install the battery when first use
  • Whether you go camping, or the kitchen and living room at home, you can use it to cut and seal easily and conveniently.
  • The “-” side is a cutter, which can cut the plastic bags
  • Please remove the battery if it is not used for a long time.

45. Fieldpiece SM480V SMAN Digital Manifold Wireless Data Logging -Fuel Leak Detectors

By Fieldpiece

  • Four valve manifold with micron gauge
  • Replacement for SMAN400 series
  • SMAN Manifold Micron Gauge (4 Port)
  • Newly designed SMAN manifold
  • Toughest, most advanced digital refrigerant manifold on the market

Ac leak detector – The Buyer’s Guide

You must have checked the above list, aren’t you mind-blown by the quality of products? Well, if you are then here’s a secret formula which we’ve used to choose them. You can use them too! The best part is, it works for all the product purchases you make! Besides, wouldn’t it be helpful to you, if you knew the factors we’ve considered to choose the ac leak detector in the above list? So shall we begin with the guide and help you learn about the important factors?

1. Does it have the features you need?

Wait for a minute before you buy the ac leak detector, check if it has all the features in your requirement list! If it doesn’t have them, then you should avoid buying that particular model and start looking for an alternative. We always suggest our editors to make a list of important features before adding a product to a list and based on the feature, the quality of the product, brand-assurance, rank it! So if it has all you need, you should not mind paying a bit extra. However, if you end up buying the best ac leak detector which doesn’t have the feature you need the most, then it won’t make sense! Would it? To us, it wouldn’t! That’s why you should make up a list which includes the features you are looking for, technical specifications if any, etc and come up with a budget.

2. Budget and Price Match

Well, you obviously can’t buy the best ac leak detector with a low budget. That’s why it’s important to make note of all the important features, specs, factors and come up with a budget. Once you are ready with it, look for the products which are either equal to your budget or are close to it. Stick to the budget, because while browsing, you’ll see a model which is slightly better and has an additional feature with a really small price difference. Well, in that case you’ll have to calculate the price of the product which has all the required features and the ac leak detector with the additional features. See if the difference in amount is worth for the feature? If you don’t have second thoughts, you shall probably increase your budget.

3. Warranty and Brand

Most of the ac leak detector industry experts we got in touch suggested us to always buy the one which comes from a reputable brand. They also explicitly asked us to include the best brands so that users don’t buy the models from unknown brands or non-reputable companies. Because ac leak detector from an unknown brand might be cheap at first glance, but could have high-maintenance and could cost a lot in repairs.

Another benefit of buying a ac leak detector from a reputable brand would be warranty. Most of the ac leak detector from reputable brands come with good warranty. However, cheap products do come with a warranty, but claiming it can be a herculean task. That’s why buy the models which come from known brands and have good warranty.

4. Check for Reviews and Ratings

Back then when the Internet wasn’t as big as it is today, local stores charged high and even ended up selling the products which sucked or wasn’t future proof. It’s because the salesman threw technical terms and confused the buyer. But nowadays, there are sites like ours which does all the research and lists down the best models and there are eCommerce stores like Amazon which has user reviews which can be read to know the experience of the user with that particular ac leak detector. Isn’t it great?

The Verdict

We hope that you loved the ac leak detector we’ve listed in our best list. If it has been helpful, please bookmark our website and share it with people you know whenever they plan to buy something.

To wrap up this guide,

About the author

Alex Rowe

Alex Rowe is the Senior Writer at Main Street Mobile. He loves to try the latest tech gadgets in the market. Also, he attends various tech conferences in his country. He covers news on Technology. Apart from this, he also loves audio, design, and writing.

To get in touch with Allen for news reports you can email him on alex@mainstreetmobile.org or reach him out on social media links given below.

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