11 Heating apparatus; heating systems; space heating systems and installations; high efficiency industrial and commercial heating installations for high volume buildings; Cooling systems, industrial ventilation apparatus; air inductor apparatus; waste air extract systems, ventilation installations and apparatus for systems with specialist controls to harmonize such systems synergistically with the purpose of improving the building environment, special lighting and systems, power generation and building optimising energy saving controls parts and fittings for all the aforesaid goods