Ac check. Checked indoor coil with refrigerant sniffer, found indications of leaks on that coil. Coil had frost on loops and throughout the coil. Cycled system. Checked compressor, tested low. Fan motor also tested low. Hooked up gauges and checked pressures and temps. Indoor coil temp is 40. Subcooling is high.35. Superheat was low. 2. Indoor cooling was at 18 degrees. Average life expectancy for this unit is 14 years. This unit is 30+ years old and worn. Future failure is expected. Due to age, condition, and cost to repair, second opinion is recommended. Job complete.