Certified technician contracted by customer to detect air conditioner issues, writing down on clipboard real-time superheat and subcooling values measured by pressure benchmarking tool

air condition, air conditioner, air filter, benchmarking tool, broken, certified, clipboard, coil, components, compressor, compressors, contracted, contractor, cooling, cooling system, customer, defective, detect, diagnostic, electrical issues, electrician, energy efficiency, expertise, fan, faulty, fixing, installation, issues, leak, maintenance, malfunction, measured, mechanic, outdoor, pressure, problem, professional, refrigerant, repair, replacement, serviceman, subcooling, superheat, support, technician, troubleshooting, values, wireman, wiring, work, writing,