A cooling system comprising: a plurality of housings (42a, b, c; 242a, b, c); a plurality of evaporators (54, 254) respectively disposed in said plurality of housings (42a, b, c; 242a, b, c); a condenser (46, 246) coupled in fluid communication with said plurality of evaporators; a compressor (44, 244) coupled in fluid communication with said plurality of evaporators and said condenser, said compressor being a pulse-width modulated variable capacity compressor; and a plurality of temperature sensors (174a, b, c) disposed in respective ones of said plurality of housings, said temperature sensors operable to read a temperature within respective ones of said plurality of housings; characterized in that the cooling system comprises: a plurality of evaporator controllers (300a, b, c) respectively associated with said plurality of evaporators and connected to said plurality of temperature sensors; and a system controller responsive to said plurality of temperature sensors, in communication with said plurality of evaporator controllers, and coupled to said compressor for providing a variable duty cycle control signal to said compressor whereby said compressor is modulated between a first capacity state and a second capacity state while operating to thereby adjust the operating capacity of said compressor based on a temperature within at least one of said housings to maintain a specified temperature in at least one of said housings. a plurality of housings (42a, b, c; 242a, b, c); a plurality of evaporators (54, 254) respectively disposed in said plurality of housings (42a, b, c; 242a, b, c); a condenser (46, 246) coupled in fluid communication with said plurality of evaporators; a compressor (44, 244) coupled in fluid communication with said plurality of evaporators and said condenser, said compressor being a pulse-width modulated variable capacity compressor; and a plurality of temperature sensors (174a, b, c) disposed in respective ones of said plurality of housings, said temperature sensors operable to read a temperature within respective ones of said plurality of housings; characterized in that the cooling system comprises: a plurality of evaporator controllers (300a, b, c) respectively associated with said plurality of evaporators and connected to said plurality of temperature sensors; and a system controller responsive to said plurality of temperature sensors, in communication with said plurality of evaporator controllers, and coupled to said compressor for providing a variable duty cycle control signal to said compressor whereby said compressor is modulated between a first capacity state and a second capacity state while operating to thereby adjust the operating capacity of said compressor based on a temperature within at least one of said housings to maintain a specified temperature in at least one of said housings. a plurality of evaporator controllers (300a, b, c) respectively associated with said plurality of evaporators and connected to said plurality of temperature sensors; and a system controller responsive to said plurality of temperature sensors, in communication with said plurality of evaporator controllers, and coupled to said compressor for providing a variable duty cycle control signal to said compressor whereby said compressor is modulated between a first capacity state and a second capacity state while operating to thereby adjust the operating capacity of said compressor based on a temperature within at least one of said housings to maintain a specified temperature in at least one of said housings.