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An air conditioner including a frame, a fan operable to generate an airflow that moves in an airflow direction, and a first heat exchanger including a first end adjacent the air inlet, a second end adjacent the air outlet, an air inlet face that extends between the first end and the second end, an a

An air conditioner including a frame, a fan operable to generate an airflow that moves in an airflow direction, and a first heat exchanger including a first end adjacent the air inlet, a second end adjacent the air outlet, an air inlet face that extends between the first end and the second end, an air outlet face that extends between the first end and the second end and faces opposite the air inlet face, and a longitudinal axis that extends through the first end and the second end between the air inlet face and the air outlet face. The heat exchanger is configured to transfer heat between the airflow and a cooling medium. A first heat exchanger angle is defined between the longitudinal axis of the heat exchanger and the airflow direction, and the first heat exchanger angle can be between about 3 degrees and about 20 degrees.

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1. An air conditioner comprising: a frame at least partially defining an air inlet and an air outlet, the frame including an upper end and a lower end, the lower end configured to support the frame on a support surface;a fan operable to generate an airflow that moves in an airflow direction from the

1. An air conditioner comprising: a frame at least partially defining an air inlet and an air outlet, the frame including an upper end and a lower end, the lower end configured to support the frame on a support surface;a fan operable to generate an airflow that moves in an airflow direction from the air inlet to the air outlet;a first heat exchanger including a first end adjacent the air inlet, a second end adjacent the air outlet, an air inlet face that extends between the first end and the second end, an air outlet face that extends between the first end and the second end and faces opposite the air inlet face, and a longitudinal axis that extends through the first end and the second end between the air inlet face and the air outlet face, the first heat exchanger configured to transfer heat between the airflow and a cooling medium; anda first air filter adjacent to the air inlet face and parallel to the air inlet face,wherein a total area of the first air filter approximately equals a total air inlet face area of the first heat exchanger,wherein the total air inlet face area of the first heat exchanger is defined by a width and a length of the air inlet face of the first heat exchanger,wherein a first heat exchanger angle is defined between the longitudinal axis of the heat exchanger and the airflow direction, andwherein the first heat exchanger angle is between about 3 degrees and about 20 degrees. 2. The air conditioner of claim 1, wherein the first heat exchanger angle is between about 5 degrees and about 10 degrees. 3. The air conditioner of claim 1, wherein the first heat exchanger angle is about 7.5 degrees. 4. The air conditioner of claim 1, further comprising: a second heat exchanger including a first end adjacent the air inlet, a second end adjacent the air outlet, an air inlet face that extends between the first and second ends of the second heat exchanger, an air outlet face that extends between the first and second ends of the second heat exchanger and faces opposite the air inlet face of the second heat exchanger, and a longitudinal axis that extends through the first and second ends of the second heat exchanger and between the air inlet and air outlet faces of the second heat exchanger, the second heat exchanger configured to transfer heat between the airflow and the cooling medium;an intermediate panel extending from the air inlet face of the first heat exchanger to the air inlet face of the second heat exchanger; anda second air filter adjacent to the air inlet face of the second heat exchanger and parallel to the air inlet face of the second heat exchanger,wherein a total area of the second air filter approximately equals a total air inlet face area of the second heat exchanger,wherein the total air inlet face area of the second heat exchanger is defined by a width and a length of the air inlet face of the second heat exchanger,wherein a second heat exchanger angle is defined between the longitudinal axis of the second heat exchanger and the air flow direction, andwherein the second heat exchanger angle is between about 3 degrees and about 20 degrees. 5. The air conditioner of claim 4, wherein the first heat exchanger angle is between about 5 degrees and about 10 degrees, and wherein the second heat exchanger angle is between about 5 degrees and about 10 degrees. 6. The air conditioner of claim 4, wherein the second end of the first heat exchanger is adjacent the second end of the second heat exchanger and the first end of the first heat exchanger is spaced from the first end of the second heat exchanger such that the longitudinal axis of the first heat exchanger and the longitudinal axis of the second heat exchanger intersect. 7. The air conditioner of claim 6, wherein a third heat exchanger angle is defined between the longitudinal axis of the first heat exchanger and the longitudinal axis of the second heat exchanger, and wherein the third heat exchanger angle is between about 10 degrees and about 20 degrees. 8. An air conditioner comprising: a frame at least partially defining an air inlet and an air outlet, the frame including an upper end, a lower end opposite the upper end, a longitudinal axis that extends through the upper end and the lower end, and a first plurality of horizontal rails at the air inlet, the lower end configured to support the frame on a support surface such that the longitudinal axis is perpendicular to the support surface;a fan operable to generate an airflow that moves in an airflow direction from the air inlet to the air outlet; anda heat exchanger including a first end adjacent the air inlet, a second end within the frame, an air inlet face that extends between the first end and the second end, an air outlet face that extends between the first end and the second end and faces opposite the air inlet face, and a longitudinal axis that extends through the first end and the second end and between the air inlet face and the air outlet face, the first heat exchanger configured to transfer heat between the airflow and a cooling medium,wherein the heat exchanger extends within the frame from at least one of the first plurality of horizontal rails,wherein the fan is located between the air outlet and the air outlet face of the heat exchanger, andwherein a first heat exchanger angle is defined between the longitudinal axis of the heat exchanger and the longitudinal axis of the frame, andwherein the first heat exchanger angle is between about 3 degrees and about 20 degrees. 9. The air conditioner of claim 8, wherein the first heat exchanger angle is between about 5 degrees and about 10 degrees. 10. The air conditioner of claim 8, further comprising an air filter adjacent the air inlet face and parallel to the air inlet face. 11. The air conditioner of claim 8, wherein the heat exchanger is a first heat exchanger, the air conditioner further comprising: a second heat exchanger including a first end adjacent the air inlet, a second end adjacent the air outlet, an air inlet face that extends between the first and second ends of the second heat exchanger, an air outlet face that extends between the first and second ends of the second heat exchanger and faces opposite the air inlet face of the second heat exchanger, and a longitudinal axis that extends through the first and second ends of the second heat exchanger and between the air inlet and air outlet faces of the second heat exchanger, the second heat exchanger configured to transfer heat between the airflow and the cooling medium,wherein a second heat exchanger angle is defined between the longitudinal axis of the second heat exchanger and the longitudinal axis of the frame, andwherein the second heat exchanger angle is between about 3 degrees and about 20 degrees. 12. The air conditioner of claim 11, wherein the first heat exchanger angle is between about 5 degrees and about 10 degrees, and wherein the second heat exchanger angle is between about 5 degrees and about 10 degrees. 13. The air conditioner of claim 11, wherein the second end of the first heat exchanger is adjacent the second end of the second heat exchanger and the first end of the first heat exchanger is spaced from the first end of the second heat exchanger such that the longitudinal axis of the first heat exchanger and the longitudinal axis of the second heat exchanger intersect. 14. The air conditioner of claim 13, wherein a third heat exchanger angle is defined between the longitudinal axis of the first heat exchanger and the longitudinal axis of the second heat exchanger, and wherein the third heat exchanger angle is between about 10 degrees and about 20 degrees. 15. The air conditioner of claim 11, further comprising: a third heat exchanger including a first end adjacent the air inlet, a second end adjacent the air outlet, an air inlet face that extends between the first and second ends of the third heat exchanger, an air outlet face that extends between the first and second ends of the third heat exchanger and faces opposite the air inlet face of the third heat exchanger, and a longitudinal axis that extends through the first and second ends of the third heat exchanger and between the air inlet and the air outlet faces of the third heat exchanger, the third heat exchanger configured to transfer heat between the airflow and the cooling medium,wherein a fourth heat exchanger angle is defined between the longitudinal axis of the third heat exchanger and the longitudinal axis of the second heat exchanger, andwherein the fourth heat exchanger angle is equal to the third heat exchanger angle. 16. A modular air conditioner system comprising: a fan operable to generate an airflow;first and second sets of heat exchangers, each heat exchanger of the first and second sets being the same size, being oriented at an angle no less than about 3 degrees and no greater than about 20 degrees from a vertical plane, having an air inlet face into which the airflow enters the heat exchanger, and having an air outlet face opposite the air inlet face and from which the airflow exits the heat exchanger;a frame at least partially defining an air inlet and an air outlet, the frame including an upper end,a lower end opposite the upper end,a front,a rear opposite the front,lateral sides extending between and connecting the front and rear,an interior defined at least in part between the front and the rear of the frame and within which the heat exchangers are located, anda door at the front through which access to the interior of the frame is provided;a first modular configuration in which the frame has a first height, a first depth, and a first width defined by and between the lateral sides of the frame, and in which only the first set of heat exchangers is installed, and in which the heat exchangers of the first set are arranged side-by-side with the air inlet and outlet faces of each heat exchanger substantially facing the lateral sides of the frame; anda second modular configuration in which the frame has the first height, the first depth, and a second width that is defined by and between the lateral sides of the frame and that is greater than the first width to accommodate both the first and second sets of heat exchangers, wherein in the second configuration the heat exchangers of the first and second sets are arranged side-by-side with the air inlet and outlet faces of each heat exchanger substantially facing the lateral sides of the frame, andwherein at least one heat exchanger of the second set is oriented at substantially the same angle from the vertical plane as one of the heat exchangers of the first set,wherein the modular air conditioner system is configured in either the first configuration or the second configuration. 17. The modular air conditioner system of claim 16, wherein each of the first and second sets of heat exchangers are orientated at no less than about 10 degrees and no greater than about 20 degrees from the vertical plane. 18. The modular air conditioner system of claim 16, wherein the second set includes a single heat exchanger. 19. An air conditioner comprising: a frame at least partially defining an air inlet and an air outlet, the frame including an upper end, a lower end opposite the upper end, a front, a rear opposite the front, opposite lateral sides extending between and connecting the front and the rear to define a width of the frame, and a longitudinal axis that extends through the upper end and the lower end, the lower end configured to support the frame on a support surface such that the longitudinal axis is perpendicular to the support surface;at least one door attached to the frame and extended between the upper end and the lower end;a fan operable to generate an airflow that moves in an airflow direction from the inlet to the outlet;a plurality of heat exchangers each including a first end adjacent the air inlet, a second end adjacent the air outlet, an air inlet face that extends between the first end and the second end, an air outlet face that extends between the first end and the second end and faces opposite the air inlet face, and a longitudinal axis that extends through the first end and the second end and between the air inlet face and the air outlet face, each heat exchanger configured to transfer heat between the airflow and a cooling medium; andan intermediate panel extending from the air inlet face of one of the plurality of heat exchangers to the air inlet face of another of the plurality of heat exchangers,wherein each heat exchanger is inclined with respect to the longitudinal axis of the frame; andwherein the heat exchangers are arranged side-by-side with the air inlet and outlet faces of each heat exchanger substantially facing the lateral sides of the frame, and wherein the plurality of heat exchangers includes at least one heat exchanger per 350 millimeters of width across the frame. 20. The air conditioner of claim 19, wherein the plurality of heat exchangers includes at least one heat exchanger per 300 millimeters of width across the frame. 21. The air conditioner of claim 4, further comprising an air inlet area for the first and second heat exchangers, the air inlet area defined by a distance between the air inlet face of the first heat exchanger at the first end of the first heat exchanger and the air inlet face of the second heat exchanger at the first end of the second heat exchanger and by the width of the air inlet face of one of the first heat exchanger or the second heat exchanger,wherein a cooling area ratio is defined by dividing a sum of the total air inlet face area of the first heat exchanger and the total air inlet face area of the second heat exchanger by the air inlet area, andwherein the cooling air ratio is greater than or equal to 5. 22. The air conditioner of claim 8, wherein the frame includes a second plurality of horizontal rails located between the air inlet and the air outlet and wherein the heat exchanger extends to at least one of the second plurality of horizontal rails. 23. The air conditioner of claim 8, including at least one door attached to the frame and extended between the upper end and the lower end. 24. The air conditioner of claim 19, wherein each heat exchanger of the plurality of heat exchangers includes a supply conduit in fluid communication with an inlet header of the air conditioner and a discharge conduit in fluid communication with an outlet header of the air conditioner, wherein the supply conduit of each heat exchanger is arranged adjacent to the air inlet face of the heat exchanger and extends substantially from the bottom of the heat exchanger to the top of the heat exchanger, wherein the discharge conduit of each heat exchanger is arranged adjacent to the air outlet face of the heat exchanger, wherein the supply conduit and the discharge conduit of each heat exchanger are oriented parallel to the longitudinal axis of the heat exchanger, and wherein the supply conduit is longer than the discharge conduit. 25. The air conditioner of claim 24, wherein the supply conduit of one of at least two adjacent heat exchangers of the plurality of heat exchangers is arranged adjacent to the supply conduit of the other of the at least two heat exchangers, and wherein the discharge conduits of the at least two adjacent heat exchangers are arranged outside of the supply conduits of the at least two adjacent heat exchangers.