This is the ultimate buyer's guide to finding the right freon leak sealant to suit your needs. We review the 10 best freon leak sealant on the market so you know that your next decision will be a smart one!
When you're trying to select the good freon leak sealant, there are a lot of factors to consider. This page has everything you need to know in one place.
This guide will help you avoid the pitfalls that come with researching freon leak sealant.
You don't have to try out every freon leak sealant to find one that meets your needs. After extensive research and hours of in-person tests, we've found the best freon leak sealant to be Leak Saver Direct Inject AC Leak Sealer | AC Stop Leak for Most HVAC Systems Up to 5 Tons | Works with All Systems & AC Refrigerants | Made in The USA. There are a lot of sub-par products out there, but this product is one of the highest quality you'll find. Next best option is Leak Saver Direct Inject UV - Refrigerant Leak Sealer with Added UV Dye to Detect Large Leaks - for AC, Refrigeration, and Automotive Systems Up to 5 Tons - Compatible with All Refrigerants.
Choosing the freon leak sealant can be a daunting task, especially if you're doing it for the first time. Here's what we recommend based on our extensive research. We've compiled a list of the highest rated freon leak sealant. The following products are some of the best you can get right now.
When you're trying to select the good freon leak sealant, there are a lot of factors to consider. This page has everything you need to know in one place.
This guide will help you avoid the pitfalls that come with researching freon leak sealant.
You don't have to try out every freon leak sealant to find one that meets your needs. After extensive research and hours of in-person tests, we've found the best freon leak sealant to be Leak Saver Direct Inject AC Leak Sealer | AC Stop Leak for Most HVAC Systems Up to 5 Tons | Works with All Systems & AC Refrigerants | Made in The USA. There are a lot of sub-par products out there, but this product is one of the highest quality you'll find. Next best option is Leak Saver Direct Inject UV - Refrigerant Leak Sealer with Added UV Dye to Detect Large Leaks - for AC, Refrigeration, and Automotive Systems Up to 5 Tons - Compatible with All Refrigerants.
Choosing the freon leak sealant can be a daunting task, especially if you're doing it for the first time. Here's what we recommend based on our extensive research. We've compiled a list of the highest rated freon leak sealant. The following products are some of the best you can get right now.
List of Top 10 Freon Leak Sealant
Review of Best Freon Leak Sealant
1. Leak Saver Direct Inject AC Leak Sealer | AC Stop Leak for Most HVAC Systems Up to 5 Tons | Works with All Systems & AC Refrigerants | Made in The USA
- STOP LEAKS PERMANENTLY - The Leak Saver can permanently seal small refrigerant leaks where the complete refrigerant charge is not lost within 7 days. When a leak occurs, the Leak Saver reacts with the air and moisture at the leak site to permanently seal the leak. When used for preventative maintenance, the active ingredient circulates safely in the system to seal future leaks
- WORKS WITH ALL SYSTEMS INCLUDING CARS - Our product is compatible with all systems, refrigerants (except ammonia), car refrigerants, and oils. It is great for central air conditioners, 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
- STRAIGHTFORWARD INSTALLATION - No more fussing with messy syringes, hoses, or pressurized cans. The Leak Saver HVAC sealant 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. Mini-splits may require a 5/16” to 1/4” charging adapter. You can see our straightforward installation videos below
- SAFE FOR ALL TOOLS AND PARTS - Our HVAC leak sealer is safe for all manifold gauges, hoses, expansion valves (TXVs, TEVs, capillary tubes, etc), Schrader valves, and anything needed to service your system. Adapter required for mini splits (5/16" to 1/4") and automotive systems ( 134A to 1/4")
- THE MOST TRUSTED - The numbers don’t lie! With more than 4,000,000 units sold of our air conditioner leak sealer formula since 2015, we are the most trusted leak sealant among HVAC professionals. Proudly made in the USA. We stand 100% behind the quality of our products. If for any reason you are not satisfied with your order, reach out to us and we will make it right
2. Leak Saver Direct Inject UV - Refrigerant Leak Sealer with Added UV Dye to Detect Large Leaks - for AC, Refrigeration, and Automotive Systems Up to 5 Tons - Compatible with All Refrigerants
- THE EASIEST INJECTION METHOD: No more fussing with messy syringes, hoses, or pressurized cans. 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. Mini-splits may require a 5/16” to 1/4” charging adapter.
- MORE THAN 3 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. It’s similar to how blood in your body reacts to a cut. When a leak occurs, the Leak Saver reacts with the air and moisture at the leak site to permanently seal the leak. When used for preventative maintenance, the active ingredient circulates safely in the system to seal future leaks.
- WITH ADDED UV DYE FOR FINDING LARGE LEAKS: Seal it or find it! If you have a leak that is simply too large for leak sealants to seal, the added UV Dye will light up brightly at the leak site when using a UV flashlight.
- COMPATIBLE WITH ALL SYSTEMS AND REFRIGERANTS: : The Leak Saver UV is compatible with all systems, refrigerants (except ammonia), and oils. 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.
- YOUR SATISFACTION IS OUR PRIORITY: We stand behind the effectiveness 100%. If for any reason you are not satisfied with your product, please contact us and we will make it right.
3. TSI Supercool 28399 HVAC Leak Stop Syringe with Application Hose, 2 fl. oz. (60 mL)
- 2-Ounce Syringe Treats Up to 6 Ton Units.Fit Type: Universal Fit
- Permanently Seals Leaks in A/C and Refrigeration Systems
- Does Not Contain Polymers, Will Not Harm A/C System Or Components
- Additive Package Protects Against Future Corrosion
- Compatible with All Lubricants and Refrigerants
4. ComStar A/C Zero-Leak, Permanent "Stop Leak" for A/C Systems, Seals Leaks Instantly, Non-Hardening, Polymer-Free, Eco-Friendly, Made in USA, 4 Ounces (90-700)
- Is a specially developed product for preventing minor leaks in evaporators, condensers, gaskets, and seals
- Environmentally safe & suitable for use in automotive, commercial, and residential A/C applications
- Designed to not harm A/C systems with non-hardening, polymer-free characteristics
- Compatible with POE-based, PAG-based, and mineral-oil-based mobile AC lubricants
- Used for preventive maintenance and left in an operating system
5. LEAK SAVER Direct Inject Ultimate 3-in-1 | AC Refrigerant Leak Sealer | with UV Dye & Moisture Remover | for Most HVAC Systems Up to 5 Tons - Professional AC Leak Sealer - AC Stop Leak
- 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!
- STOP LEAKS PERMANENTLY - The Leak Saver can permanently seal refrigerant leaks where the complete refrigerant charge is not lost within 7 days. When a leak occurs, the Leak Saver reacts with the air and moisture at the leak site to permanently seal the leak. When used for preventative maintenance, the active ingredient circulates safely in the system to seal future leaks
- WORKS WITH ALL SYSTEMS & REFRIGERANTS INCLUDING CARS - Our product is compatible with all systems, refrigerants (except ammonia), car refrigerants, and oils. It is great for central air conditioners, 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
- STRAIGHTFORWARD INSTALLATION - No more fussing with messy syringes, hoses, or pressurized cans. The Leak Saver HVAC sealant 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. Mini-splits may require a 5/16” to 1/4” charging adapter. You can see our straightforward installation videos below
- SAFE FOR ALL TOOLS AND PARTS - Our HVAC leak sealer is safe for all manifold gauges, hoses, expansion valves (TXVs, TEVs, capillary tubes, etc), Schrader valves, and anything needed to service your system. Adapter required for mini splits (5/16" to 1/4") and automotive systems ( 134A to 1/4")
6. Refrigerant, 134A Plus Stop Leak, 12 oz.
- Price For: Each Includes: Stop Leak Application: Automotive Applications Container Type: Can Container Size: 12 oz. Item: Automotive Refrigerant Refrigerant Type: 134A Plus Stop Leak Country of Origin (subject to change): United States
7. Nu-Calgon 4050-11 EasySeal Direct Inject-UV Dye Refrigerant Leak Sealant, One Size Treats Systems 2 to 7.5 Tons
- Concentrated formula means less material in system
- Clear tube so you can see the sealant go in
- No need to pump down R-410A units
- Perfect for split systems, heat pumps, microchannel coils, packaged units, and mini splits
- One time use
8. RectorSeal AC Leak Freeze Magic Frost with 1/4"" Adapter 45322 Leak Sealant, Easy Application, HVAC, 0.5 oz.
- APPLICATION: AC Leak Freeze is the ideal product for A/C unit repair and refrigeration repair; AC Leak Freeze will stop leaks of refrigerant gas in HVACR air conditioning and refrigeration systems in homes and commercial buildings
- EASY TO APPLY: Single use, disposable AC leak freeze syring; ready to use and safe for HVAC systems; OEM approved and easy to apply
- STOP LEAKS PERMANENTLY: AC leak freeze will stop leaks of refrigerant gas in HVACR air conditioning and refrigeration systems in homes and commercial buildings; AC leak freeze revitalizes AC and refrigeration systems by permanently sealing small, hard-to-find micro leaks
- SPECIFICATIONS: 1.5 oz leak freeze cartridge with magic frost and 1/4" adapter; polymer free, non-flammable and non-toxic; OEM approved and safe for HVAC systems
- FOR THE TRADESMAN: RectorSeal is recognized as a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning (HVAC/R), plumbing, electrical, and construction markets
9. InterDynamics EZ Chill Car Air Conditioner Refrigerant Stop Leak Kit in O Rings, Hoses and Gaskets, Restores Lost Refrigerant , Includes Disposable Recharge Hose, 13 Oz
- All in one solution to restore lost refrigerant and oil in automotive air conditioning systems
- Contains system safe leak sealer additive that seals common A/C leaks in rubber hoses, gaskets and O-rings
- Built in disposable recharge hose
- No tools required
- Safe for all R-134a systems when used as directed
10. Leak Saver Leak Shot Dye Inject Kit - Complete UV Dye Refrigerant Leak Detection Kit for Automotive, Home, Commercial, Marine Air Conditioner, and Refrigeration Systems - Made in The USA
- ULTRA BRIGHT UV DYE - The Leak Saver UV Dye Inject is the easiest way to inject UV leak detection dye into your air conditioning and refrigeration systems. No more messy syringes, hoses, or cans! Proudly MADE IN THE USA. The UV Dye illuminates brightly at the leak site when using a UV flashlight. Also visible to the naked eye. For best results, use a UV Flashlight in a shaded areas.
- WORKS WITH ALL SYSTEMS - Our product is compatible with all systems, refrigerants (except ammonia), and oils. 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.
- STRAIGHTFORWARD INSTALLATION - No more fussing with messy syringes, hoses, or pressurized cans. 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. Compatible with all refrigerants including R22, 410A, 134A, 404A, 507A, 600A. Fully compatible with mineral, PAG, and ester oils.
- WORKS IN AUTOMOTIVE SYSTEMS: For automotive systems, you will still need the standard 134A to 1/4” charging adapter. Mini-splits may require a 5/16” to 1/4” charging adapter. You can see our straightforward installation videos below.
- DYE ONLY. There is no leak sealant in this product. For leak sealants, see our other products (Leak Saver Direct Inject and Leak Saver Direct Inject UV Refrigerant Leak Sealers). For use in automotive air conditioners, you will also need a 134A quick connect adapter and a manifold gauge with 1/4" hose connections. Safe for all manifold gauges, hoses, expansion valves (TXVs, TEVs, capillary tubes, etc), Schrader valves, and anything needed to service your system.
Last update on 2024-04-23 / Affiliate links / Images from Amazon Product Advertising API
