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HVAC Chart 3 Pack, R-22 Subcooling Calculator for TXV Applications, R-410a Subcooling Calculator for TXV Applications, Duct Calculator

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$19.99

$ 9 .99 $9.99

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  • Comprehensive Set: This pack includes 3 essential HVAC charts - R-22 Subcooling Calculator, R-410a Subcooling Calculator, and Duct Calculator.
  • Accurate Calculations: The R-22 and R-410a calculators help determine the required subcooling temperature for efficient TXV operation.
  • Clear Instructions: Each calculator features step-by-step instructions for measuring liquid line temperature and pressure to obtain the correct subcooling value.
  • Durable Construction: Made from sturdy plastic material, these calculators are designed for long-lasting use in HVAC applications.
  • Convenient Size: Compact and lightweight, these calculators can be easily carried to job sites or stored in toolboxes.


Simplify HVAC calculations with this practical 3-pack of durable, slide-chart calculators from Datalizer. The R-22 and R-410a Subcooling Calculators help determine the required subcooling temperature for TXV applications, ensuring optimal refrigerant charge and system efficiency. The Duct Calculator assists in sizing ductwork for proper airflow. Follow the straightforward instructions to measure liquid line temperature and pressure, then read the corresponding values. These heavy-duty calculators are designed for frequent use in the field, providing reliable reference tools for HVAC professionals. Keep one set in your truck and another in the shop for quick access to essential HVAC calculations.


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