Many modern refrigerants are human-made halogenated gases, especially fluorinated gases and chlorinated gases, that are frequently referred to as Freon (a registered trademark of Chemours).
mˈɛni mˈɑːdɚn ɹᵻfɹˈɪdʒɚɹənts ɑːɹ hjˈuːmənmˌeɪd hɐlˈɑːdʒənˌeɪɾᵻd ɡˈæsᵻz, ɪspˈɛʃəli flˈʊɹɹᵻnˌeɪɾᵻd ɡˈæsᵻz ænd klˈoːɹᵻnˌeɪɾᵻd ɡˈæsᵻz, ðæt ɑːɹ fɹˈiːkwəntli ɹᵻfˈɜːd tʊ æz fɹˈiːɑːn ɐ ɹˈɛdʒɪstɚd tɹˈeɪdmɑːɹk ʌv kˌiːmoʊˈɜːz.