system controllers comprising a display, an input device for electronically entering data, a processor, and input and output ports for controlling the distribution of electricity, energy metering and energy management, including the control ventilation, air conditioning, and electrical lighting powered by energy obtained from photovoltaic cells and solar thermal collectors for use in retail, industrial and commercial buildings

heating, refrigerating, ventilating and water supply apparatus, namely, refrigerators, absorption refrigerators, absorption chillers, adsorption chillers, food and beverage chilling units, chilling units for industrial use, absorption chiller/heaters, adsorption chiller/heaters, hot water heaters; air conditioning, air cooling and ventilation apparatus and instruments; heat exchangers for solar collectors; solar installations, namely, solar energy based cooling apparatus, solar-powered cooling units, solar water heaters, solar collectors, solar thermal air systems for heating purposes, solar thermal modules for processing electricity and thermal energy, solar-powered absorption chillers, solar-powered adsorption chillers, solar-powered absorption chiller/heaters, solar-powdered adsorption chiller/heaters, solar thermal based power plants

building, repair and installation services, namely, building, installation and repair of heating, cooling and environmental control systems primarily using solar energy, renewable energy resources and rain water; building, installation, and maintenance of solar energy based power plants

scientific and industrial research in the fields of photovoltaic cells and of cooling and heating installations, in particular using solar energy, renewable energy resources to provide the energy therefor; scientific and technological services and research and design relating to photovoltaic cells and to cooling and heating installations, in particular using solar energy, renewable energy resources to provide the energy therefor; industrial analysis and research services relating to photovoltaic cells and to cooling and heating installations, in particular using solar energy, renewable energy resources to provide the energy therefor; engineering office services, namely, design of photovoltaic cells and of cooling and heating installations for others, in particular using solar energy, renewable energy resources to provide the energy therefor