HEATING, VENTILATING, AND AIR CONDITIONING SYSTEM WITH AN EXHAUST GAS THERMAL ENERGY EXCHANGER

1 . A heating, ventilating, and air conditioning (HVAC) system of a vehicle, comprising:

a control module including a housing having an air flow conduit formed therein;

an evaporator core disposed in the air flow conduit, at least a portion of the evaporator core configured to receive a first fluid from a first fluid source therein; and

a thermal energy exchanger disposed in the air flow conduit downstream of the at least a portion the evaporator core and upstream of a blend door disposed in the air flow conduit, wherein the thermal energy exchanger is in thermal energy exchange relationship with an exhaust gas system of the vehicle.

2 . The HVAC system of claim 1 , wherein the internal thermal energy exchanger is one of another portion of the evaporator core and separate from the evaporator core.

3 . The HVAC system of claim 1 , wherein the first fluid source is a refrigeration circuit.

4 . The HVAC system of claim 1 , further comprising a second fluid source in fluid communication with the thermal energy exchanger.

5 . The HVAC system of claim 4 , wherein the second fluid source is in thermal energy exchange relationship with the exhaust gas system.

6 . The HVAC system of claim 4 , wherein the second fluid source is one of a fluid reservoir and an external thermal energy exchanger.

7 . The HVAC system of claim 4 , further comprising a heater core disposed downstream of the thermal energy exchanger, wherein the heater core is in fluid communication with a third fluid source.

8 . The HVAC system of claim 7 , wherein the thermal energy exchanger is in fluid communication with the third fluid source.

9 . The HVAC system of claim 7 , further comprising a fourth fluid source in fluid communication with the thermal energy exchanger.

10 . The HVAC system of claim 9 , wherein the fourth fluid source is in thermal energy exchange relationship with the exhaust gas system of the vehicle.

11 . The HVAC system of claim 1 , further comprising an external thermal energy exchanger in fluid communication with the thermal energy exchanger.

12 . The HVAC system of claim 11 , wherein the external thermal energy exchanger is in thermal energy exchange relationship with the exhaust gas system of the vehicle.

13 . A heating, ventilating, and air conditioning (HVAC) system of a vehicle, comprising:

a control module including housing having an air flow conduit formed therein;

an evaporator core disposed in the air flow conduit, at least a portion of the evaporator core configured to receive a first fluid from a first fluid source therein;

a thermal energy exchanger disposed in the air flow conduit downstream of the at least a portion the evaporator core and upstream of a blend door disposed in the air flow conduit, the thermal energy exchanger configured to receive a second fluid from a second fluid source therein, wherein the first fluid and the second fluid are different fluid types; and

a heater core disposed downstream of the thermal energy exchanger, wherein the heater core is configured to receive a third fluid from a third fluid source therein, wherein at least one of the thermal energy exchanger and the heater core is in thermal energy exchange relationship with an exhaust gas system of the vehicle.

14 . The HVAC system of claim 13 , wherein the second fluid source is one of a fluid reservoir and an external thermal energy exchanger in thermal energy exchange relationship with the exhaust gas system.

15 . The HVAC system of claim 13 , wherein the thermal energy exchanger is in fluid communication with the third fluid source.

16 . The HVAC system of claim 13 , further comprising a fourth fluid source in fluid communication with the thermal energy exchanger.

17 . The HVAC system of claim 16 , wherein the fourth fluid source is in thermal energy exchange relationship with the exhaust gas system of the vehicle.

18 . The HVAC system of claim 13 , further comprising an external thermal energy exchanger in fluid communication with the thermal energy exchanger, wherein the external thermal energy exchanger is in thermal energy exchange relationship with the exhaust gas system of the vehicle.

19 . A heating, ventilating, and air conditioning (HVAC) system for a vehicle, comprising:

a control module including housing having an air flow conduit formed therein;

an evaporator core disposed in the air flow conduit, at least a portion of the evaporator core configured to receive a first fluid from a first fluid source therein;

an internal thermal energy exchanger disposed in the air flow conduit downstream of the at least a portion the evaporator core and upstream of a blend door disposed in the air flow conduit, the thermal energy exchanger configured to receive a second fluid from a second fluid source therein, wherein the first fluid and the second fluid are different fluid types;

a heater core disposed downstream of the thermal energy exchanger, wherein the heater core is configured to receive a third fluid from a third fluid source therein; and

an external thermal energy exchanger in fluid communication with at least one of the internal thermal energy exchanger, the second fluid source, and a fourth fluid source, wherein the external thermal energy exchanger is in thermal energy exchange relationship with an exhaust gas system of the vehicle.

20 . The HVAC system of claim 19 , wherein the fourth fluid source is in thermal energy exchange relationship with the exhaust gas system of the vehicle.