If your HVAC system is more than a couple years old, the warranty could be expired. Resulting in potential repairs which can be very expensive. When an air conditioner breaks down it could be for many reasons. Trying to figure it out yourself is challenging; so relying on a professional to evaluate the system is key to solving your problem. With my experience working on broken HVAC systems, I can help you figure out and solve many HVAC problems you may be having.