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Professional HVAC Tools

Refrigerant Calculator Suite

Professional HVAC calculation tools for pressure-temperature conversions, system sizing, charge calculations, and performance analysis. Designed for EPA certified refrigerants.

Pressure-Temperature Calculator

Convert between pressure and temperature for different refrigerants. Essential for system diagnostics and performance analysis.

Calculation Results

How to Use

Enter either temperature OR pressure (not both) and select your refrigerant type. The calculator will determine the corresponding saturation condition.

Refrigerant Charge Calculator

Calculate the proper refrigerant charge for your system based on line set length, system type, and manufacturer specifications.

Recommended Charge

Important Note

Always refer to manufacturer specifications for base charge amounts. This calculator provides estimates based on line set additions.

Superheat & Subcooling Calculator

Calculate superheat and subcooling values for system performance analysis and charge verification.

System Analysis

Typical Target Values
System Type Superheat (°F) Subcooling (°F)
Fixed Orifice 8-12°F 8-12°F
TXV System 8-12°F 10-15°F
Heat Pump 5-10°F 5-10°F

System Sizing Calculator

Calculate proper system capacity based on space requirements, load calculations, and efficiency factors.

Recommended System Size

Sizing Guidelines

This calculator provides estimates based on simplified load calculations. For critical applications, always perform a detailed Manual J load calculation.

Unit Conversions

Convert between different units commonly used in HVAC work - temperature, pressure, capacity, and more.

Conversion Result