FIG. 1 is a perspective view of a first embodiment of a space heater showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is a perspective view of the space heater where the space heater is in a configuration of use;
FIG. 10 is an enlarged view of portion 10 shown in FIG. 1;
FIG. 11 is a perspective view of a second embodiment of the space heater;
FIG. 12 is another perspective view thereof;
FIG. 13 is a front elevational view thereof;
FIG. 14 is a rear elevational view thereof;
FIG. 15 is a left side elevational view thereof;
FIG. 16 is a right side elevational view thereof;
FIG. 17 is a top plan view thereof;
FIG. 18 is a bottom plan view thereof;
FIG. 19 is a perspective view of the space heater where the space heater is in a configuration of use; and,
FIG. 20 is an enlarged view of portion 20 shown in FIG. 11.
The dash-dash broken lines in the drawings depict portions of the space heater that form no part of the claimed design. The dot-dash broken lines represent boundaries of the enlarged portions and form no part of the claimed design.