conditioning system it is also possible to further improve the efficiency of the system by also regulating and varying appropriately the fan s and or compressor cooling capacity modulation through for example compressor speed or stroke length in the case of a linear compressor the compressor 116 may be a standard reciprocating or rotary compressor a variable capacity compressor including but not limited to a linear compressor or a multiple intake compressor system see fig5 7 when a standard reciprocating or rotary compressor with a single suction port is used the system further includes a switching mechanism 150 containing compressor system see fig6 7 as shown in fig5 a dual suction compressor 116 according to an aspect of the present invention may utilize a valving system 142 incorporated into the compressor that contains two coolant fluid intake streams 144 one from the lower temperature evaporator and one from the higher temperature evaporator when a linear compressor which can be on oil less linear compressor is utilized the linear compressor has a variable capacity modulation which is typically larger than a 3 to 1 modulation capacity typical with a variable capacity reciprocating compressor the modulation low end is limited by lubrication and modulation scheme fig6 7 generally show a switching mechanism 150 according to the present invention fig5 as discussed.