The ornamental design for an hvaccontroldevice, as shown and described.
FIG. 1 is a front view of an HVAC control device showing the new design;
FIG. 2 is a right side view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a rear view thereof;
FIG. 7 is a front perspective view thereof;
FIG. 8 is a front view of an HVAC control device showing a second embodiment of the new design; and,
FIG. 9 is a front perspective view thereof.
The dashed broken lines represent structures, features or the environment that form no part of the claimed design. And longer-dash broken lines represent a mounting surface that is environmental and forms no part of the claimed design.