FIG. 1 is a perspective view of a thermostat housing;

FIG. 2 is a front elevation view of the thermostat housing of FIG. 1;

FIGS. 3-6 are left, bottom, right and top views of the thermostat housing of FIG. 1; and,

FIG. 7 is a front elevation view of another thermostat housing.

The portions illustrated in broken lines on the figures are for illustrative purposes only and form no part of the claimed design.