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RAC North Macedonia — Energy efficiency in cooling UNIDO — United Nations Industrial Development Organization National Ozone Unit Resources Environmental Center — REC North Macedonia
Energy Efficiency in the Refrigeration and Air-Conditioning Sector

← Refrigerants and substitutes

R-600a

isobutane

Approved
GWP
3
ODP
0
Class
A3
Family
natural
Boiling
-11.7 °C

Composition: isobutane, C₄H₁₀

The standard in domestic refrigerators in Europe for three decades. Class A3 — highly flammable, used with small charges.

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.

Highly flammable. Domestic and small commercial refrigerators.

Handling

Class A3. Low toxicity, highly flammable. Only small systems with a limited charge, installed by a certified technician.

Where to go next

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