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
