How do you ac guys out there set your price? AC is more complicated than plumbing and sometimes you have to search and find what the problem is therefore taking up lots of time and effort. Here's an example, can't check pressures correctly until the coils are clean. You're not going to clean coils for free, right. Do you add this price as a troubleshooting price? We've all seen countless examples of this. What do you do in these cases?