Top 10 Ac Leak Sealers (May 2021)

Leak Saver: Direct Inject – ⭐ Best Overall Ac Leak Sealer

LS-05 by Leak Saver

THE EASIEST INJECTION METHOD: Patent-pending and made to be completely fuss-free, no pump downs, syringes, or pressure-sensitive cans needed again! Comes with 1/4" male and female connections. A 134A quick coupler is necessary for automotive systems. A 5/16" to 1/4" adapter may be necessary for 410A mini-splits.
TAKE A LOOK AT THE NUMBERS: Two million applications and counting, you can confidently seal small refrigerant leaks with a proven leak sealer (systems up to 5 tons).
A PERMANENT FIX FOR LEAKS: Super concentrated and made to work with all types of refrigerants, it’s compatible with all types of refrigerants and oils (except ammonia).
MADE BY HVAC PROFESSIONALS: And used by them, it’s perfect for use in Split Systems, Heat Pumps, Commercial Unit Coolers, Refrigeration Systems, and more.
100% SATISFACTION GUARANTEE: We’re so sure this will seal your next leak that if it doesn’t, contact us for another at no cost (must be installed by certified HVAC techs).

00222 by BlueDevil Products

45322 by Rectorseal

AC leak freeze permanently seals leaks in air conditioning and refrigeration systems
Will continue to seal additional leaks for up to 1 year that meet testing specifications
Does not contain polymers & oem approved
Tested to be non-clogging to a/C compressor and recovery unit
Ideal for preventive maintenance and leak protection
This is an aftermarket of generic part

MRL-3 by Interdynamics

Color: R-134a Super Seal Stop Leak Kit
Weight: 0.22 pounds
Dimensions: 3 x 6 x 9.8 inches
Warranty: Products are warranted to be free from defects in material and workmanship under normal use and service for a period of one 90 days from the date of purchase, unless otherwise specified on the product packaging. This warranty shall not apply to any altere

LS-05UV by Leak Saver

Permanently seals refrigerant leaks and prevents future leaks; use with systems up to 5 tons.
Safe for all air conditioner and refrigeration systems, valves, and tools. Compatible with all types of refrigerants and oils.
Injects easily and directly. No more pump downs, fussy syringes, or pressure sensitive cans; UV dye can detect large leaks requiring repair.
Designed and used by HVAC professionals, our formula has been proven through over a decade of research.
Proudly made in the USA.

49496 by BlueDevil Products

Remarkable ability to repair and seal leaks in condensers, evaporators, connection hoses, gaskets, and O-rings
Contains no solid or particulate matter that will clog the A/C system, or harm a recovery unit
Forms a chemical weld sealing leaks in both R-12 or R-134a systems
Safe to use and best of all — it’s a permanent seal
Guaranteed

944KIT by Cliplight

402 by RED TEK

Operation: Easy to use. Installs in minutes. Remains in system as a liquid lubricant ready to seal any future leaks.
Lower Cost: Less expensive than replacing leaking evaporators, condensers, compressors, and metal lines.
Compatibility: Compatible with most common refrigeration materials and lubricants including R134a, R12, metal components, mineral and synthetic(Ester and PAG) lubricants, seals, gaskets, hoses, compressors, and o-rings.
Environment: Helps environment by reducing refrigerant emissions.
Safety: Safe and easy to use. Less toxic than other seal treatments that contain poisonous methanol. No long term health risks have been attributed to RED TEK ProSeal.

533505C by Mr. Freeze

GET COLD AIR IN MINUTES with this r134a car air conditioner revitalizer - Avoid the inconvenience, high costs, and loss of transportation of a repair at the dealer or mechanic. Manufactured in the USA.
WIRELESS DIGITAL THERMOMETER AND DISPLAY makes recharging your car simple and fast - You don't have to be an A/C pro to safely use our car air conditioner recharge kit at home.
THE MR FREEZE DIFFERENCE - Mr. Freeze uses Accufill technology to measure the air temperature coming from your vents and not the pressure of your system, which can differ from vehicle to vehicle. Simply fill your system until you reach the target temperature using our easy to follow how-to instructions.
R134A RECHARGER, LUBRICANT, AND LEAK SEALER, ALL IN ONE - Mr Freeze Air Conditioner Revitalizer r134a refrigerant contains lubricant and sealant for small leaks, helping you get COLD AIR FAST.
NO EXTRA TOOLS NEEDED - Other than safety gear such as glasses and gloves, there are no special tools required to recharge your A/C system with Mister Freeze. Color may differ from picture.

45302 by Rectorseal

AC leak freeze permanently seals leaks in air conditioning and refrigeration systems
Will continue to seal additional leaks for up to 1 year that meet testing specifications
Does not contain polymers
Tested to be non-clogging to a/C compressor and recovery unit
Ideal for preventive maintenance and leak protection
This is an aftermarket of generic part