Accelerated ion devices (for treating the air); Air cleaning instruments; Air cleaning machines; Air cleansing apparatus; Air conditioners; Air conditioners for vehicles; Air dehumidifiers; Air delivery apparatus for cooling buildings; Air delivery apparatus for heating buildings; Air distribution apparatus; Air driers; Air drying apparatus; Air freezing installations for agricultural use; Air freezing installations for commercial use; Air freezing installations for industrial use; Air freezing installations for residential use; Air freshening apparatus; Air heaters; Air moisturisers; Air recirculating apparatus; Air recirculating installations; Air reheaters; Cold air blowing apparatus; Hot air apparatus; Hot air curtains; Installations for aerating air in enclosed spaces; Installations for air extraction; Installations for recirculating heated air in industrial buildings; Installations for regenerating air in enclosed spaces; Installations for the cooling of air; Installations for the distribution of air flow in buildings; Installations for the heating of air; Installations for the regulation of air flow in buildings; Refrigerated compressed air dryers; Room air conditioners; Room air fans; Supply air diffusers; Terminal air devices; Variable air volume apparatus; Warm air dryers for use in drying hair; Warm air dryers for use in drying hands; Warm air furnaces (other than for laboratory experiments); Warm air hand dryers; Warm air heating apparatus

Clearing of tree roots from pipes and drains (plumbing services); Maintenance of plumbing; Plumbing; Plumbing and glazing services; Renovation of plumbing; Rental of plumbing apparatus; Electrical apparatus installation; Electrical apparatus repair; Electrical engineering services (construction); Electrical installation services; Electrical wiring services; Installation of audio electrical apparatus; Installation of electrical apparatus; Interference suppression in electrical apparatus; Maintenance and repair of electrical apparatus; Maintenance, installation and repair of electrical items and equipment; Repair of electrical appliances; Residential, commercial and industrial installation and repair of electrical and computer wiring and cabling; Advisory services relating to the renovation of property; Furniture renovation; Project preparation relating to building renovation; Renovation; Renovation of buildings; Renovation of clothing; Renovation of furniture; Renovation of kitchens; Sewer pipe renovation; Building services