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A method of operating a hybrid temperature control system. The method provides an evaporator, which has a discharge line, a supply line, and a evaporator coil. The evaporator coil is in fluid communication with the discharge line and the supply line. The method also provides a microprocessor, which

A method of operating a hybrid temperature control system. The method provides an evaporator, which has a discharge line, a supply line, and a evaporator coil. The evaporator coil is in fluid communication with the discharge line and the supply line. The method also provides a microprocessor, which regulates a supply of a heat absorbing fluid to the evaporator. The method further couples a sensor module to the microprocessor. The sensor module is near the evaporator, senses a temperature of a gas exiting the evaporator, and sends a temperature to the microprocessor. The method also turns off the supply of the heat absorbing fluid to the evaporator when the microprocessor determines that the temperature of the gas exiting the evaporator reaches a predetermined temperature.

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1. A method of operating a hybrid temperature control system, the method comprising:providing an evaporator, the evaporator having a discharge line, a supply line, and a evaporator coil, and the evaporator coil being in fluid communication with the discharge line and the supply line;providing a micr

1. A method of operating a hybrid temperature control system, the method comprising:providing an evaporator, the evaporator having a discharge line, a supply line, and a evaporator coil, and the evaporator coil being in fluid communication with the discharge line and the supply line;providing a microprocessor, the microprocessor regulating a supply of a heat absorbing fluid to the evaporator;coupling a sensor module to the microprocessor, the sensor module being near the evaporator, sensing a temperature of a gas exiting the evaporator, and sending a temperature to the microprocessor; andturning off the supply of the heat absorbing fluid to the evaporator when the microprocessor determines that the temperature of the gas exiting the evaporator reaches a predetermined temperature. 2. The method of claim 1, wherein the evaporator is a supplemental evaporator, and the heat absorbing fluid is a first heat absorbing fluid, further comprising providing a mechanical temperature control adjacent to the supplemental evaporator, the mechanical temperature control having a primary evaporator coil, and the primary evaporator coil being filled with a second heat absorbing fluid. 3. The method of claim 1, wherein the heat absorbing fluid is a first heat absorbing fluid, further comprising providing a valve, the valve being in fluid communication with the supply line, being regulated by the microprocessor, and regulating a supply of the first heat absorbing fluid to the supply line. 4. The method of claim 3, wherein the evaporator is a supplemental evaporator, and the predetermined temperature is a first predetermined temperature, further comprising opening the valve, thereby supplying the first heat absorbing fluid to the supplemental evaporator when the microprocessor determines that the temperature of the gas exiting the supplemental evaporator is above a second predetermined temperature. 5. The method of claim 4, wherein the second predetermined temperature is approximately 32° F. 6. The method of claim 3, wherein turning off the supply of the heat absorbing fluid to the evaporator further comprises closing the valve, thereby turning off the supply of the first heat absorbing fluid to the supplemental evaporator when the microprocessor determines that the temperature of the gas exiting the supplemental evaporator reaches the first predetermined temperature. 7. The method of claim 3, further comprising:receiving a compressor speed signal from a compressor;receiving a door signal from a door;opening the valve to the supply line when the compressor speed signal indicates a first compressor speed;turning off the valve to the supply line when the compressor speed signal indicates a second compressor speed; andturning off the valve to the supply line when the door signal indicates the door is opened. 8. The method of claim 1, further comprising providing a cryogen fluid to the heat absorbing fluid. 9. The method of claim 8, wherein the cryogen fluid is liquid carbon dioxide, LCO 2 . 10. The method of claim 1, wherein the first predetermined temperature is approximately −40° F. 11. A method of operating a hybrid temperature control system, the method comprising:providing a mechanical temperature control, and the mechanical temperature control having a primary evaporator coil;providing a supplemental evaporator, the supplemental evaporator being adjacent to the primary evaporator coil, having a discharge line, a supply line, and a supplemental evaporator coil, the supplemental evaporator coil being in fluid communication with the discharge line and the supply line, and the supplemental evaporator coil being filled with a second heat absorbing fluid;providing a microprocessor, the microprocessor regulating a supply of a second heat absorbing fluid to the evaporator;coupling a sensor module to the microprocessor, the sensor module being near the evaporator, sensing a temperature of a gas exiting the evaporator, and sending a tem perature to the microprocessor; andturning off the supply of the second heat absorbing fluid to the supplemental evaporator when the microprocessor determines that the temperature of the gas exiting the supplemental evaporator coil reaches a predetermined temperature. 12. The method of claim 11, further comprising providing a valve, the valve being in fluid communication with the supply line, being regulated by the microprocessor, and regulating a supply of the second heat absorbing fluid to the supply line. 13. The method of claim 12, wherein the predetermined temperature is a first predetermined temperature, further comprising opening the valve, thereby supplying the second heat absorbing fluid to the supplemental evaporator when the microprocessor determines that the temperature of the gas exiting the supplemental evaporator is above a second predetermined temperature. 14. The method of claim 13, wherein the second predetermined temperature is approximately 32° F. 15. The method of claim 12, wherein turning off the supply of the second heat absorbing fluid to the supplemental evaporator further comprises closing the valve, thereby turning off the supply of the second heat absorbing fluid to the supplemental evaporator when the microprocessor determines that the temperature of the gas exiting the supplemental evaporator reaches the first predetermined temperature. 16. The method of claim 15, wherein the first predetermined temperature is approximately −40° F. 17. The method of claim 12, further comprising:receiving a compressor speed signal from a compressor;receiving a door signal from a door;opening the valve to the supply line when the compressor speed signal indicates a first compressor speed;turning off the valve to the supply line when the compressor speed signal indicates a second compressor speed; andturning off the valve to the supply line when the door signal indicates the door is opened. 18. The method of claim 11, further comprising providing a cryogen fluid to the heat absorbing fluid. 19. The method of claim 11, wherein the second heat absorbing fluid is liquid carbon dioxide, LCO 2 . 20. A hybrid temperature control system, the system comprising:a mechanical temperature control, the mechanical temperature control including a primary evaporator having a first evaporator coil being filled with a first heat absorbing fluid;a supplemental evaporator located adjacent to the first evaporator coil, the supplemental evaporator having a discharge line, an inlet line, and a supplemental evaporator coil, the supplemental evaporator coil in fluid communication with the discharge line and the inlet line, and the supplemental evaporator coil being filled with a second heat absorbing fluid;a sensor module positioned near the supplemental evaporator, the sensor module sensing a temperature of a gas exiting the evaporator; anda microprocessor operatively coupled to the sensor module, the microprocessor receiving a temperature from the sensor module, regulating a supply of the second heat absorbing fluid, turning off the supply of the second heat absorbing fluid to the supplemental evaporator when the microprocessor determines that the temperature of the gas exiting the evaporator reaches a predetermined temperature. 21. The system of claim 20, further comprising:a valve being in fluid communication with the supply line, being regulated by the microprocessor, and regulating a supply of the second heat absorbing fluid to the supply line. 22. The system of claim 21, wherein the valve is substantially closed, thereby turning off the second heat absorbing fluid to the supplemental evaporator when the microprocessor determines that the temperature of the gas exiting the supplemental evaporator reaches the predetermined temperature. 23. The system of claim 20, wherein the predetermined temperature is approximately −40° F. 24. The system of claim 20, further comprising:a compressor, the compressor sending a compressor speed signal to the microprocessor; the microprocessor opening the valve to the supply line when the compressor speed signal indicates a first compressor speed, and turning off the valve to the supply line when the compressor speed signal indicates a second compressor speed; anda door, the door sending a door signal to the microprocessor, turning off the valve to the supply line when the door signal indicates the door is opened. 25. The system of claim of 20 , wherein the valve is substantially opened, thereby supplying the second heat absorbing fluid to the supplemental evaporator when the microprocessor determines that the temperature of the gas exiting the supplemental evaporator is above a second predetermined temperature. 26. The system of claim 25, wherein the second predetermined temperature is approximately 32° F. 27. The system of claim 20, wherein the second heat absorbing fluid is liquid carbon dioxide, LCO 2 . 28. A retrofit temperature control system, the system comprising:a supplemental evaporator retrofitted adjacent to a first evaporator coil of an existing temperature control system, the supplemental evaporator having a discharge line, an inlet line, and a supplemental evaporator coil, the supplemental evaporator coil in fluid communication with the discharge line and the inlet line, and being filled with a heat absorbing fluid;a sensor module positioned near the supplemental evaporator, the sensor module sensing a temperature of a gas exiting the evaporator; anda microprocessor operatively coupled to the sensor module, the microprocessor receiving a temperature from the sensor module, regulating a supply of the heat absorbing fluid, turning off the supply of the heat absorbing fluid to the supplemental evaporator when the microprocessor determines that the temperature of the gas exiting the evaporator reaches a predetermined temperature. 29. The system of claim 28, further comprising:a valve being in fluid communication with the supply line, being regulated by the microprocessor, and regulating a supply of the heat absorbing fluid to the supply line. 30. The system of claim of 29 , wherein the valve is substantially opened, thereby supplying the second heat absorbing fluid to the supplemental evaporator when the microprocessor determines that the temperature of the gas exiting the supplemental evaporator is above a second predetermined temperature. 31. The system of claim 29, wherein the valve is substantially closed, thereby turning off the second heat absorbing fluid to the supplemental evaporator when the microprocessor determines that the temperature of the gas exiting the supplemental evaporator reaches the predetermined temperature. 32. The system of claim 28, wherein the predetermined temperature is approximately −40° F. 33. The system of claim 28, wherein the existing temperature control system further comprises:a compressor, the compressor sending a compressor speed signal to the microprocessor; the microprocessor opening the valve to the supply line when the compressor speed signal indicates a first compressor speed, and turning off the valve to the supply line when the compressor speed signal indicates a second compressor speed; anda door, the door sending a door signal to the microprocessor, turning off the valve to the supply line when the door signal indicates the door is opened. 34. The system of claim 31, wherein the second predetermined temperature is approximately 32° F. 35. The system of claim 28, wherein the heat absorbing fluid is a cryogen fluid. 36. The system of claim 35, wherein the cryogen fluid is liquid carbon dioxide, LCO 2 . 37. A method of retrofitting a temperature control system, the method comprising:providing an existing temperature control system;retrofitting a supplemental evaporator with the existing temperature control system, the evaporator having a discharge line, a supply line, and a evaporator coil, the evaporator coil being in f luid communication with the discharge line and the supply line, and the evaporator coil being filled with a heat absorbing fluid, wherein the heat absorbing fluid is a first heat absorbing fluid,providing a valve, the valve being in fluid communication with the supply line, being regulated by a microprocessor;coupling a sensor module to the microprocessor, the sensor module being near the supplemental evaporator, sensing a temperature of a gas exiting the supplemental evaporator, and sending a temperature to the microprocessor; andturning off the supply of the heat absorbing fluid to the evaporator when the microprocessor determines that the temperature of the gas exiting the evaporator reaches a predetermined temperature. 38. The method of claim 37, wherein turning off the supply of the heat absorbing fluid to the evaporator further comprises closing the valve, thereby turning off the supply of the first heat absorbing fluid to the supplemental evaporator when the microprocessor determines that the temperature of the gas exiting the supplemental evaporator reaches the first predetermined temperature. 39. The method of claim 37, further comprising:receiving a compressor speed signal from a compressor;receiving a door signal from a door;opening the valve to the supply line when the compressor speed signal indicates a first compressor speedturning off the valve to the supply line when the compressor speed signal indicates a second compressor speed; andturning off the valve to the supply line when the door signal indicates the door is opened. 40. The method of claim 37, wherein the predetermined temperature is a first predetermined temperature, further comprising opening the valve, thereby supplying the first heat absorbing fluid to the supplemental evaporator when the microprocessor determines that the temperature of the gas exiting the supplemental evaporator is above a second predetermined temperature. 41. The method of claim 40, wherein the second predetermined temperature is approximately 32° F.