Apparatus for heating, cooling, ventilating, airconditioning; air re-heaters, sterilisers, central heating radiators, drying apparatus, desiccating apparatus; air filtration apparatus; evaporating air coolers, fans, blowers, air conditioning filters, controllers specialised for air conditioning apparatus, fittings and accessories therefor; ventilating equipment including ventilation hoods; none of the foregoing being in relation to water source heat pumps and geothermal heat pumps