R1234ze(E) compressors

Low-GWP HFO for chillers and heat pumps — drop-in candidate for R134a in some applications.

  • Category: HFO
  • GWP (AR4, 100-yr): 7
  • Safety class: A2L
  • Compressors in catalog: 1073
  • Brands: 7

Compressors by brand

Frascold — 410 models on R1234ze(E)

Hanbell — 244 models on R1234ze(E)

Bitzer — 170 models on R1234ze(E)

Snowkey — 100 models on R1234ze(E)

Danfoss — 58 models on R1234ze(E)

BOCK — 49 models on R1234ze(E)

Palladio — 42 models on R1234ze(E)

Frequently asked questions

What compressors run on R1234ze(E)?

1073 compressors across 7 brands in the DigiEntropy catalog are qualified for R1234ze(E). Top brands: Frascold, Hanbell, Bitzer, Snowkey, Danfoss.

What is the GWP of R1234ze(E)?

R1234ze(E) has a GWP of 7 (AR4 100-year). Safety class is A2L.

Is R1234ze(E) compliant with EU F-Gas Regulation 2024/573?

R1234ze(E) (GWP 7) is below the 150 threshold and remains permitted in new equipment across all major F-Gas-regulated categories.

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