R-717

ammonia

Approved

GWP: 0
ODP: 0
Class: B2L
Family: natural
Boiling: -33.3 °C

Composition: ammonia, NH₃

The most efficient refrigerant per unit mass, with the longest tradition in industrial refrigeration. Toxic (class B2L) — requires a machine room, gas detection and trained personnel. Must not be used with copper piping.

What this means for you

This refrigerant is approved for use and is not subject to a shrinking quota. It is a safer long-term choice when buying new equipment.

Zero GWP and ODP. Toxic — requires a machine room, gas detection and trained personnel.

Handling

Class B2L. Higher toxicity, mildly flammable. Requires a machine room, gas detection and trained personnel.

Where to go next

What the law requires Find a licensed technician

Data source: Manual §1.3.2, §2.5.1, §2.5.2