Apparatus for steam generating and ventilating; air conditioning apparatus; halogen heaters; installations for heating consisting of halogen heating devices; installations for heating incorporating halogen heating devices; heaters; air heaters; electric heaters; portable electric heaters; room heaters; space heaters; electric space heaters; fan heaters; electric fan heaters; wall heaters; convector heaters; immersion heaters; electric radiant heating apparatus; radiant fan heaters; radiant space heaters; water heaters; electric water heaters; radiators; electric radiators; central heating radiators; domestic radiators; oil filled radiators; humidifiers; dehumidifiers; air humidifiers; electric humidifiers; humidifiers for central heating radiators; air conditioners; air conditioning fans; electric cooling fans; electric fans for ventilation; air purifiers; parts and fittings for all the aforesaid goods.;