BACK
Oil and Refrigerant
#additives
Tech Tips:
![](https://hvacrschool.com/wp-content/uploads/2021/04/Clark_Stanleys_Snake_Oil_Liniment-197x300.png)
We all see a lot of questions about dyes, leak stoppers, lubricants, inhibitors, and snake oil. All of those were designed to go into the refrigerant circuit and “improve” something. I just go back to what Ray Johnson always said. (Ray is one of my early heroes in the biz, and he taught me a […]
Read more