Air conditioner systems, while reliable, will need regular mantinance and repair occasionally. Not all homes are built the same and depending on the type of air conditioning unit you’ve purchased, you’ll likely need to hire an HVAC professional to inspect and provide repair cost estimates, and even do the installation.It’s important to find a knowledgeable, reputable and trained HVAC professional to service your air conditioning system. An appropriately-trained and qualified technician has the experience and knowledge to inspect, clean, and maintain your system. They will also be able to carry out more serious repairs should they be required.Regular maintanance should be scheduled on a yearly basis. This will help to ensure that your air conditioning system runs efficiently and is kept in optimal condition. During a maintanance check, the technician will check for refrigerant levels, inspect the AC condenser and evaporator coils and fans, clean the system, lubricate all moving parts, check for water leaks, and ensure the thermostat is functioning correctly.