Isobutane doesn't work well unless a system is designed for it - things like different diameters for the pistons in the compressors etc. Nearly all refrigerato

Isobutane doesn't work well unless a system is designed for it - things like different diameters for the pistons in the compressors etc. Nearly all refrigerators/freezers in Europe are isobutane, and have been for 20 years.