Field Diagnostics & Refrigerant Calculators
High-precision thermodynamic charging diagnostics, temperature glide compensation, and NIST REFPROP saturation curves for legacy and next-generation A2L refrigerants.
Target Superheat & Subcooling Charging Calculator
Calculate target superheat (fixed orifice) and target subcooling (TXV) across R-454B, R-32, R-410A, and R-22 with EPA fault isolation guidance.
Digital Refrigerant Pressure-Temperature Chart
High-precision digital Pressure-Temperature chart for R-454B, R-32, R-410A, R-22, R-134a, R-404A, and R-407C with bubble and dew point curve toggles.
Psychrometric Chart & Moist Air Calculator
Calculate moist air thermodynamic properties from any 2 inputs (Dry Bulb, Wet Bulb, Dew Point, RH, Enthalpy) with altitude barometric compensation.
Refrigerant Line Set Charge & Weigh-In Calculator
Estimate the manufacturer-specified initial refrigerant weigh-in adjustment for R-454B, R-32, and R-410A line sets using sourced OEM profiles.
Vapor-Compression Refrigeration Thermodynamic Cycle
Closed-loop thermodynamic phase change between high-side liquid condensation and low-side vapor expansion.