⏱️ 5 min read 📊 Intermediate ⚙️ All TXV & Inverter Split AC Systems

How to Calculate Liquid Line Subcooling for Proper Charge Verification

Subcooling is the temperature drop of liquid refrigerant below its condensing saturation temperature. On TXV-equipped air conditioners, subcooling is the only reliable method to confirm accurate factory refrigerant…

⚠️ Identified System Fault Symptoms

Flash gas bubbles in liquid line sight glass
Undercharged circuit reducing overall cooling efficiency
Overcharged circuit causing excessive high head pressure

Interactive Diagnostics

Verify System Readings With Our Engineering Tools

Input your field manifold pressures, suction temperatures, and electrical amperages into our calculation suite to compute superheat, subcooling, or compressor displacement.

⚡ Open HVAC Calculators Hub 🧪 Check PT Saturation Charts