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

Excellent Product – Easy to Use and Effective.I’m an HVAC technician and this product worked exactly as expected. Easy to inject, no issues during installation, and it helped seal a small refrigerant leak quickly. It saved time and avoided a costly repair for the customer. I would definitely buy it again and recommend it to other HVAC professionals.

I have a 13 year old 410a system that developed a "2wk" Evap leak at the beginning of the 88 - 95 degree weather so desperately I bought this with no real expectations to hopefully try and hold off for another month at least while I figure out the best way of purchasing a new system. Its been 4 months & multiple 3 digit days here in the south & all of our Gauge Readings have held up as well as Delta T & the Superheat recommended by the manufacturer....I'm VERY impressed & I honestly, in the beginning, felt like this would end up being more "snake oil". I'm a certified Universal 608 holder but I am an AMATEUR. I've heard claims of long term negative affects & even that its "idiotic" to use this in the first place. I couldn't verify any of that in this review because my experience in HVAC doesn't hold as much knowledge as a long time professional but I can say that in a very difficult financial situation this really worked for me and my family.

This is the second batch of Refrigerant Leak Sealers that I've used. I was losing a lot of freon from 2 systems. The initial treatments stopped the leaks almost completely. After a couple of years, one system started to leak a little. Another treatment stopped that as well. Now it's several years later and another treatment has boths systems working great and leak-free. The HVAC company charges $100-$150 per treatment for a very similar product. My builder-grade AC systems are almost 20 years old. Ours is the only home in our development that hasn't had to replace the AC systems. You do need a a basic manifold gauge set or injection kit, but it's simple to use.

After reading reviews I thought I’d give it a try. HVAC guys said system was shot. Not bad for 26 years of use though. Followed directions and left system run for over an hour after injection and refilling. Air coming out of vents read 58 degrees. Later it read 65 degrees and next day was 72. Couldn’t find leak with uv light but didn’t have full access to everything. It was worth the try. It just didn’t work for me.

Works good, have used their product before.

Easy to load with manifold gauge set.Unit ran for over 60 minutes-checked for leaks, no dye visible in condenser, compressor lines, hi/low ports, line set or the A coil which was opened up for inspection. After several hours no cooling and low side pressure was 50 and hi side 150. So, did not seal a thing and did not indicate any visible leaks - total failure!

I’m not sure if it is us or the product. But this didn’t seem to work the way we expected. We were initially optimistic but within a few hours, we were back to where we started. My husband is an accomplished household repairman so we don’t think it was him. Not sure if we had unrealistic expectations? Would not buy again.

First off, I very seldom do reviews of a product, but this inexpensive product saved me a lot of $. I got tired of getting ripped off by the local AC companies in my area, so I watched several YouTube videos on HVAC repair and decided to give this shot. I had a small leak in my 12 year old system and the HVAC guy told me that I needed a new 5 ton unit due to its age. Long story short, I tried this product and it fixed my leak. It is well worth the cost. Great product!

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Don't buy this product! They all came broken and of course you can't return these.

it didn't worked, I used this product in my Skoda Superb, 1.8 TSI car AC , in which the AC gas leaks in 22 to 24 days , but after using this product nothing changed. now also the gas leaked in 22 days

Recommend it with every top-up to slow down or eliminate leaks. This is for people who are tapped out financial and need to get through the season. Not sure how good it is for long term leak repairs, haven’t been using it that long. Get the one with UV in case you have to go back and check for leaks.

It does not work