10 Best Ac Leak Sealers 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing products, scanning reviews, spending more than 36 hours of research and speaking with our test users, we think the Leak Saver: Direct Inject is the one of the Best Ac Leak Sealer on the market.

# Image Name Brand Price
1
⭐Best Choice
Leak Saver: Direct Inject
Leak Saver: Direct Inject - Refrigerant Leak Sealer - For Systems Up to 5 Tons - Compatible With Most Air Conditioner and Refrigeration Systems - Proudly Made in the USA Check price N/A $$$$$ Check price
2
Best under $50
Interdynamics R-134a Super Seal Stop Leak Kit C PRO MRL-3
Interdynamics R-134a Super Seal Stop Leak Kit C PRO MRL-3 Air Conditioning 3 oz Check price Interdynamics $$$$$ Check price
3 Nu-Calgon 4050-06 A/C Easy Seal Nu-Calgon 4050-06 A/C Easy Seal Check price Nu Calgon $$$$$ Check price
4 Leak Saver: Direct Inject UV Leak Saver: Direct Inject UV - Dye Detects Large Leaks for Repair - Refrigerant Leak Sealer - For Air Conditioner and Refrigeration Systems Up to 5 Tons - USA Made Check price Leak Savers $$$$$ Check price
5
💲Best value for the money
A/C Pro ACPMRL3 Super Seal 3oz.
A/C Pro ACPMRL3 Super Seal 3oz. Check price N/A $$$$$ Check price
6 Cliplight Super Seal Total 972KIT Cliplight Super Seal Total 972KIT - Permanently Seals & Prevents Leaks in A/C & Refrigeration Systems - 1.5-5 TONS Check price Cliplight $$$$$ Check price
7 Rectorseal 45302 AC Leak Freeze R Rectorseal 45302 AC Leak Freeze R, 0.5 Oz, Red Check price Rectorseal $$$$$ Check price
8
👑Premium Pick
Rectorseal 45322 AC Leak Freeze with Magic Frost
Rectorseal 45322 AC Leak Freeze with Magic Frost Check price Rectorseal $$$$$ Check price
9 FJC 9140 Stop Leak FJC 9140 Stop Leak - 3 Ounce Check price FJC $$$$$ Check price
10 Cliplight Super Seal Advanced 947KIT Cliplight Super Seal Advanced 947KIT - Permanently Seals & Prevents Leaks in A/C & Refrigeration Systems - Up to 1.5 TONS Check price Cliplight $$$$$ Check price

Leak Saver: Direct Inject – Best Overall Ac Leak Sealer

Leak Saver: Direct Inject
  • 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).
  • THE EASIEST INJECTION METHOD: Patent-pending and made to be completely fuss-free, no pump downs, syringes, or pressure-sensitive cans needed again!
  • 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).

Interdynamics R-134a Super Seal Stop Leak Kit C PRO MRL-3 – Best under $50

Interdynamics R-134a Super Seal Stop Leak Kit C PRO MRL-3
  • Seals metal leaks in condensers, evaporators, accumulators, receiver and driers
  • Seals rubber leaks in hoses, O-rings, gaskets
  • Safe for all R-134A systems and recovery equipment
  • Compatible with all lubricants
  • Comes with recharge hose

Nu-Calgon 4050-06 A/C Easy Seal

Nu-Calgon 4050-06 A/C Easy Seal
  • The A/C Easyseal Circulates Through The System With The Refrigerant Seeking Out Leaks Rather Than Migrating Slowly With The Oil
  • A/C Easyseal Will React With Moisture Or Air That Is Naturally Present At A Leak
  • For Systems 1.5 Tons To Fractional
  • Brand Name: Nu-Calgon

Leak Saver: Direct Inject UV

Leak Saver: Direct Inject UV
  • TWO MILLION FAST-ACTING REPAIRS: Don't take our word for it, try the refrigerant leak sealer that has worked for 2,000,000 plus applications on systems up to 5 tons.
  • THE ONLY FUSS-FREE REPAIR LIKE IT: Patent-pending, this direct injection method requires no pump downs, syringes, or pressure-sensitive cans to make it work.
  • PROACTIVELY CATCH ANY BIG LEAKS: Help minimize surprise repairs with UV dye to identify if major leaks are present in any of your air conditioner or refrigeration systems.
  • HVAC PROFESSIONALS APPROVED: Used and made by pros, confidently use in Split Systems, Heat Pumps, Commercial Unit Coolers, Refrigeration Systems, and more.
  • 100% SATISFACTION GUARANTEE: This UV dye wonder will fix your next leak or you get your next one at no cost, just contact us (must be installed by certified HVAC techs).

A/C Pro ACPMRL3 Super Seal 3oz. – Best Budget Ac Leak Sealer

A/C Pro ACPMRL3 Super Seal 3oz.
  • Contains approximately 1. 5oz of refrigerant and 1. 5oz of additives
  • Repairs metal leaks in evaporators, condensers, compressors, accumulators and receiver dryers
  • Seals rubber leaks in O-rings, gaskets, and hoses
  • With red dye for detecting leaks too large to repair
  • Reusable dispensing hose designed for compliance and to work only with R-134a cans with self-sealing valve can tops

Cliplight Super Seal Total 972KIT

Cliplight Super Seal Total 972KIT
  • MADE IN USA - America's Most Trusted AC/R Stop Leak.
  • SUPER SEAL + DRY R & FLASH - 3-in-1: Dries, Seals, + Dye.
  • 1.5-5 TONS - permanently seals & prevents leaks in all A/C & refrigeration systems
  • Includes DRY R to increase system efficiency & FLASH UV Dye to find leaks.
  • Professional HVACR use - compatible with all oils & refrigerants, hose included.

Rectorseal 45302 AC Leak Freeze R

Rectorseal 45302 AC Leak Freeze R
  • 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

Rectorseal 45322 AC Leak Freeze with Magic Frost – Premium Pick

Rectorseal 45322 AC Leak Freeze with Magic Frost
  • 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

Cliplight Super Seal Advanced 947KIT

Cliplight Super Seal Advanced 947KIT
  • MADE IN USA - America's Most Trusted AC/R Stop Leak.
  • Super Seal ADVANCED with DRY R - 2-in-1 product.
  • Permanently seals & prevents leaks in all A/C & refrigeration systems - no pump down or recovery.
  • DRY R eliminates moisture & increases system efficiency.
  • Compatible with all oils & refrigerants, Hose included.

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