As temperatures start to rise, so does the demand on your semi truck’s air conditioning system. Whether you’re hauling across the Southwest or just enduring a humid Midwestern summer, a well-functioning A/C system isn’t just a comfort it’s essential for driver health and performance. Here’s how to get your rig’s air conditioning system ready to handle the heat.

1. Start with a Full Inspection

Before summer hits full swing, have your A/C system thoroughly inspected by a certified Peterbilt technician or do it yourself if you have the know-how. A full inspection should include: