Quality Chemical Nu-Coil Professional Grade Concentrated/Air Conditioner Alkaline Condenser Coil Cleaner for AC Unit/AC Coil Cleaner 1 Gallon (128 oz)Compact by Design (Amazon-developed Certification)

Cleans good.

It works so well!!! Love it!

My AC unit is years over due for a cleaning. I used this stuff with a coil sprayer from Coil Guys that hooks onto a hose. Others said it didn’t foam, but oh man did it ever. Maybe you just need the sprayer. Anyways, it did a nice job. A couple cautions. One I got some of the concentrate on my forearm and didn’t wash it off because it is “non-acid”. Half an hour later I felt a searing burning and looked and I my flesh was changing color. I got a minor chemical burn. Turns out this is Caustic Lye, i.e. sodium hydroxide. It's very dangerous stuff. This wasn't clear from the bottle. Wear large glove and especially eye protection. If you get this in your eyes, it could cause permanent damage. Second, there was so much foam in and around the unit that it took about 40 mins to thoroughly dilute it all and wash it away. I didn’t want the dog getting into it. Total mess. So be ready for that.

Awesome cleaning ac coils

Thank you

Two days after using this product and rinsing after cleaning for 20 minutes, my central AC condenser unit failed. After paying an HVAC professional to condemn my condenser, he suggested that it would be better to dilute the solution 7:1 regardless of the product label recommendation. I got a "great" deal on the coil cleaner, but I now need to spend $10k to replace my central air system. Do your research.

Works very well. Make sure to fallow the instructions.I use it for comercial package units great quality.

I use every day work very good I like it