Compressor installation (1) with a compressor element (2), with an outlet (9) with an outlet line (8), and with a dryer (2), that is provided with a
drying section (14) and a regeneration section (15), wherein the
drying section (14) is provided with a first inlet (16a) and a first outlet (16b), wherein the first inlet (16a) is connected to the outlet line (8), wherein the regeneration section (15) is provided with a second inlet (17a) and a second outlet (17b), wherein a regeneration line (18) is provided between the second inlet (17a) and a first point (19) of the outlet line (8), wherein at the second outlet (17b) a return line (20) is connected that connects the second outlet (17b) to a second point (21) on the outlet line (8) downstream of the first point (19), characterized in that, in the return line (20), a primary portion (27) of a
heat exchanger (28) is incorporated, wherein a secondary portion (29) of the
heat exchanger (28) is incorporated in an oil circuit (10) of the compressor element.