Oficiální schválení výrobců
| AMERICOLD | ELECTROLUX | HITACHI | THERMOKING |
| ARCELIK (BEKO) | EMBRACO | LAMANA | TOSHIBA |
| ASPERA | EMERSON QUIET-KOOL | LENNOX | TRANE |
| BORG WARNER (YORK) | FORD | MATSUSHITA (PANASONIC) | WHIRLPOOL |
| BRISTOL COMPRESSORS | FRICK | MAYTAG | YORK INTERNATIONAL |
| CARLYLE (UTC) | FRIGIDAIRE | MURRAY | ZANUSSI |
| CARRIER (UTC) | GENERAL ELECTRIC | NECCHI | |
| COPELAND | GOLDSTAR | SAMSUNG | |
| DAEWOO | HARTFORD COMPRESSORS (DUNHAM-BUSH) |
SANDEN | |
| DANFOSS | HEIL QUAKER (WHIRLPOOL) | SANYO | |
| DORIN | TECUMSEH |