The best reason to hire a certified technician is that they have the experience and knowledge to identify problems with your air conditioner. If you attempt to inspect your own AC system, it may end up costing you more in the long run if there is an issue and it ends up taking longer for a problem to be found and resolved.
Inspecting your AC unit by yourself can be hard to do if you have no prior experience. Faulty or broken parts that you do not know how to identify may go undetected because you don’t know what to look for. In the time it takes for a trained inspector to find a problem, a DIYer might have already spent hours attempting to find and fix the issue themselves. For example, if you try to change your own air filter and it is put in incorrectly or not seated correctly at all, then that can cause a lot of stress on your AC unit. This stress will increase the strain on other components as well which may shorten their lifespan and require replacement prematurely.
If you hire a certified technician to inspect your AC unit, they will be able to give you an accurate assessment of what is needed and provide all the information you need to make an informed decision. They will not only look for problems that may impact your air conditioner’s function or lifespan but can also help maintain the system to keep it running efficiently and effectively. As a result, you will receive reliable service and your AC system will last longer.