R-410A (Puron) Pressure at 70°F — Saturation P-T Data
How This Was Calculated
Saturation pressure interpolated from ASHRAE tabular data for R410A. Normal operating pressure range.
- P_sat
- Saturation pressure: 226 PSI
- T_input
- Input temperature: 70°F
- T_data
- ASHRAE tabular reference data: R410A
Important Considerations
The saturation pressure shown (for R410A at 70°F) is the baseline for measuring superheat and subcooling. Suction superheat = suction line temperature minus evaporator saturation temperature. Subcooling = condensing saturation temperature minus liquid line temperature. Typical targets: 8–12°F superheat at the evaporator (TXV systems), 10–20°F subcooling at the condenser. Deviations indicate improper charge, metering device issues, or non-condensables.
R-410A is classified A1 (non-toxic, non-flammable) by ASHRAE Standard 34. It can be handled with standard HVAC practices. However, rapid release can displace oxygen in enclosed spaces. Always work in ventilated areas. EPA Section 608 certification is required for purchase and handling.
R410A has a GWP of 2,088 — meaning 1 lb released equals 2,088 lbs of CO2 equivalent warming over 100 years. This places it in the high-GWP category subject to accelerated phase-down under the AIM Act (American Innovation and Manufacturing Act). EPA regulations are reducing HFC production and import allowances through 2036. Lower-GWP alternatives are available: R-32 (GWP 675), R-454B (GWP 466), and R-290 (GWP 3) depending on application.
Saturation pressure-temperature data for R410A derived from ASHRAE Fundamentals Handbook, Chapter 30 (Thermophysical Properties of Refrigerants), and verified against manufacturer published data (Chemours Opteon, Honeywell Solstice). Values represent saturated conditions at sea level.