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: 920
Brands: 8

Compressors by brand

Frascold — 362 models on R1234ze(E)

Hanbell — 190 models on R1234ze(E)

Bitzer — 170 models on R1234ze(E)

Snowkey — 100 models on R1234ze(E)

BOCK — 49 models on R1234ze(E)

Palladio — 42 models on R1234ze(E)

Danfoss — 6 models on R1234ze(E)

Copeland — 1 models on R1234ze(E)

Copeland FWV130NH-4X9

Frequently asked questions

What compressors run on R1234ze(E)?

920 compressors across 8 brands in the DigiEntropy catalog are qualified for R1234ze(E). Top brands: Frascold, Hanbell, Bitzer, Snowkey, BOCK.

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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