R‑1234ze (trans‑1,3,3,3‑tetrafluoroprop‑1‑ene) is an HFO refrigerant designed as a low‑GWP, ozone‑safe alternative to R‑134a for chillers, HVAC, heat pumps, and commercial refrigeration,
R‑1234ze is a low‑GWP, non‑ozone‑depleting, mildly flammable HFO refrigerant with excellent thermal stability, compatible with POE/PAG oils, and suited for medium‑temperature refrigeration and HVAC systems.