GREENSTARHUB

advisory and consulting services in the fields of environmental sustainability and energy efficiency auditing, and the bringing together, for the benefit of others, of a variety of goods and services of others, enabling customers to conveniently view and purchase those goods and services online, based on energy efficiency audit results

environmental sustainability and energy efficiency building construction, building repair, retro-fitting of building HVAC, electricity and gas systems, and appliance installation and installation of alternative energy sources

scientific and technological services and research and design relating thereto in the field of energy efficiency and environmental sustainability; industrial analysis and research services in the field of energy efficiency and environmental sustainability; design and development of computer hardware; design and development of computer software for determining energy efficiency and environmental sustainability of buildings and appliances