Apparatus for heating; apparatus for heating hair; apparatus for heating saunas; apparatus for the space heating of commercial premises; apparatus for the space heating of offices; apparatus for the space heating of rooms; apparatus for the space heating of rooms in commercial premises; electrical heating pads, other than for medical (treatment) use; electrically heated blankets, other than for medical purposes; electrically heated carpets; electrically operated appliances for heating; heating machines; heating units; hot air heating apparatus; installations for the heating of air; sauna heaters