Apparatus for producing hot water; apparatus for the supply of hot water; boilers for hot water supply installations; electrically heated hot water tanks; gas fired boilers for producing domestic hot water; hot water apparatus; hot water boilers; hot water boilers for beverage making; hot water bottles; hot water cylinders; hot water heaters; hot water heating installations; hot water installations; hot water supply heaters; installations combining boilers and steam generators for producing hot water; radiators for hot water installations; radiators for hot water systems; safety apparatus for controlling the distribution of fluid in hot water installations; air conditioning apparatus for commercial buildings; air conditioning apparatus for public buildings; installations for recirculating heated air in industrial buildings; installations for the distribution of air flow in buildings; toilets for incorporation in portable buildings; evacuated heat pipe solar collectors (heat exchangers); solar collectors (heating); solar collectors (lighting); solar collectors for heating; solar energy collectors for heating; solar energy powered heating apparatus; solar energy powered heating installations; solar furnaces; solar heating apparatus; solar heating installations; solar heating panels; solar lamp units; solar lamps; solar panels for use in heating; solar powered ventilation apparatus; supports adapted for use with solar heating tubes; thermal storage apparatus (solar energy) for heating; thermal storage instruments (solar energy) for heating

Building of fair stalls and shops; building repairs; building services; cleaning of buildings (interior); construction of buildings; damp-proofing (building); demolition of buildings; development of property (building and construction services); dismantling of buildings; erection of pre-fabricated buildings; hire of building apparatus; hire of building tools; house building; installation of fittings for buildings; interior refurbishment of buildings; maintenance and repair of building contents; maintenance and repair of buildings; maintenance and repair of utilities in buildings; providing information, including online, about building construction, and repair and installation services; provision of information in relation to building construction; installation of solar energy systems