An electric motor comprising: a stator; an armature rotatably received within the stator, the armature having an armature shaft on which a commutator is mounted; and a brush assembly comprising: a brush card mount disposed around the commutator, the brush card mount defining a first surface facing the stator and a second surface opposite the first surface; a plurality of brushes in sliding contact with the commutator to supply electric current to the commutator; wherein the brush assembly further comprises: a plurality of thermally-conductive brush holders each having a base portion disposed in a respective opening formed in the brush card mount wherein a surface of each base portion is disposed in the same plane as the first surface of the brush card mount, and a main portion protruding from the second surface of the brush card mount to house a respective brush; wherein the base portions of the brush holders are exposable to a motor fan with the surface disposed on the same plane as the first surface of the brush mount, to transfer heat generated by the brushes through the first surface of the brush mount and characterized in that the main portions of the brush holders protrude from the base portions through the plurality of openings of the brush card mount and the brush card mount includes recessed surfaces around the plurality of openings on the first surface of the brush card mount; and the base portions of the brush holders are partially disposed within the respective recessed surfaces. a stator; an armature rotatably received within the stator, the armature having an armature shaft on which a commutator is mounted; and a brush assembly comprising: a brush card mount disposed around the commutator, the brush card mount defining a first surface facing the stator and a second surface opposite the first surface; a plurality of brushes in sliding contact with the commutator to supply electric current to the commutator; a brush card mount disposed around the commutator, the brush card mount defining a first surface facing the stator and a second surface opposite the first surface; a plurality of brushes in sliding contact with the commutator to supply electric current to the commutator; wherein the brush assembly further comprises: a plurality of thermally-conductive brush holders each having a base portion disposed in a respective opening formed in the brush card mount wherein a surface of each base portion is disposed in the same plane as the first surface of the brush card mount, and a main portion protruding from the second surface of the brush card mount to house a respective brush; wherein the base portions of the brush holders are exposable to a motor fan with the surface disposed on the same plane as the first surface of the brush mount, to transfer heat generated by the brushes through the first surface of the brush mount and characterized in that the main portions of the brush holders protrude from the base portions through the plurality of openings of the brush card mount and the brush card mount includes recessed surfaces around the plurality of openings on the first surface of the brush card mount; and a plurality of thermally-conductive brush holders each having a base portion disposed in a respective opening formed in the brush card mount wherein a surface of each base portion is disposed in the same plane as the first surface of the brush card mount, and a main portion protruding from the second surface of the brush card mount to house a respective brush; wherein the base portions of the brush holders are exposable to a motor fan with the surface disposed on the same plane as the first surface of the brush mount, to transfer heat generated by the brushes through the first surface of the brush mount and characterized in that the main portions of the brush holders protrude from the base portions through the plurality of openings of the brush card mount and the brush card mount includes recessed surfaces around the plurality of openings on the first surface of the brush card mount; and the base portions of the brush holders are partially disposed within the respective recessed surfaces.