Technical Support

 
R-134a Best Practices
Climate Control: Do It Yourself A/C Tips
NEW!! Do-It-Yourself California, A Guide To Proper A/C System Recharging
NUEVO!! Hagalo-Usted-Mismo California, Una Guia a la Recarga Apropiada del Sistema del Aire Acondicionado
NEW!! 8 1/2 x 11 Placard For California Retailers / Wholesalers
NEW!! Requirements For California Retailers / Wholesalers Selling R-134a In Small Cans
NEW!! CARB Reporting Forms For California Retailers / Wholesalers
 
Freeze 12 Tech Tips
Pressure Temperature Chart Troubleshooting Guide Tech Tip #5
Conversion Data Tech Tip #1 Tech Tip #6
Conversion Procedure Tech Tip #2 Tech Tip #7
Cylinder Return Program Tech Tip #3 Tech Tip #8
Frequently Asked Questions Tech Tip #4  

Johnsen's A/C Lubricants
A/C Lubricants Guide
     
Johnsen's Product Data
Johnsen's Product Data