9
Temperature feedback units; Temperature sensors
11
Apparatus for heating; Heating installations; Central heating apparatus; Heating apparatus, electric; Heating apparatus for use in the home; Heating elements; Filters for use with apparatus heating; Hot air apparatus; Air heating apparatus; Air heating apparatus; Electrical fans being parts of household ventilation installations; Electrically powered fans for ventilation purposes; Electrically powered fans for ventilation purposes; Filters for exhaust extractors [parts of household or industrial installations]; Filters for use with apparatus for ventilating; Air recirculating apparatus; Installations for air extraction; Air treatment equipment; Air circulation apparatus; Air filtering installations; Air heat recovery installations; Residential ventilating units; Apparatus for ventilating; Apparatus for ventilating; Ventilating fans; Electrically powered fans for ventilation purposes; Electrically powered fans for ventilation purposes; Residential heating units; Heating units; Heat pumps; Heat exchangers for central heating purposes
35
Advertising and promotional services; Providing assistance in the field of business promotion; Preparing promotional and merchandising material for others; Promoting the sale of the services [on behalf of others] by arranging advertisements; Business administration; Office functions
37
Technical assistance in the field of repair and maintenance of temperature (feedback units), temperature sensors, heating apparatus, heating installations, central heating apparatus, electrical heating installations, heating apparatus for home use, (heating) elements, filters for heating apparatus, hot air apparatus, air heaters, air reheaters, electric fans as parts of ventilation installations for household purposes, electric fans for ventilation purposes, electric fans, filters for exhaust systems [parts of household or industrial installations], filters for ventilation apparatus, (installations for) recirculating air, installations for extracting air, air treatment apparatus, air circulation apparatus, air filtering installations, (apparatus for) recovering heated air, ventilation apparatus for residential buildings, ventilation units, ventilation apparatus, fans, (electric) fans for ventilation purposes, heating apparatus for residential buildings, heating apparatus, heat pumps, heat exchangers for central heating purposes