Air conditioning diagnostics is the process of identifying and analyzing issues with an A/C unit. This can include checking for proper airflow, testing the thermostat, examining the compressor and the electrical components, and measuring the refrigerant levels. A qualified technician will use specialized tools and equipment to perform these tests and make any necessary repairs or adjustments. In addition, regular diagnostic checks can help prevent potential problems by catching them early on. Proper diagnostic also helps to ensure that your A/C unit is running at its optimal efficiency, saving you energy costs and prolonging the lifespan of the unit. It is important to have an A/C unit regularly serviced and diagnosed by a professional to ensure that it is functioning safely and efficiently. 

Air conditioning maintenance is an essential task to keep your AC unit running efficiently and effectively. Regular maintenance can help prevent costly repairs and prolong the lifespan of your unit. Some key tasks to include in your maintenance routine include changing the air filter, cleaning the drain line and drain pan of algae growth, cleaning the unit of biological growth circulating in your home, checking the refrigerant levels etc. It's also a good idea to have a professional inspect and service your unit annually, especially before the start of the summer season. By keeping up with regular maintenance, you can ensure that your air conditioning unit is working at its best and that your home stays cool and comfortable all summer long.