Could be a fan, low charge, dirty condensor. There are many reasons why it could be acting up and you can only get a quote once it's diagnosed. Use this link to find a good shop near you.
https://repairpal.com/repair-shops
Alex
RepairPal Certified shops can diagnose and repair your 2013 Toyota RAV4. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.