NATURE'S WAY OF HEATING PARA DIGMA

building materials of metal, namely, metal structures for mounting solar panels, metal containers for liquids in the nature of heat-insulated double wall hot water containers having an evacuated space between their walls, and containers for accommodating heat carriers; tubes of metal; valves of metal not being machine parts; fittings of metal for fixing and mounting solar collectors on roofs; silos made of metal, in particular for storing biomass pellets, in particular wood pellets

Pumps for heating systems; motors and engines not for land vehicles, namely, Stirling engines for converting heat energy into mechanical energy

Apparatus for electricity generation by means of solar technology, namely, solar cells, photovoltaic modules, and systems composed of solar cells and photovoltaic modules; apparatus and systems for converting solar light by means of physical, biological, and chemical methods for electricity generation, namely, photovoltaic solar hybrid modules; motor-driven solar trackers in the nature of electrical controllers and electric tracking sensors for sensing light and heat for orienting solar photovoltaic modules toward the sun; fuel cells

Apparatus for heating, namely, solar water heaters and heat pumps; solar collectors for use in heating, cooling, and water heating, namely, flat collectors, vacuum tube collectors, and storage collectors; steam generating apparatus; apparatus for water heating and heating using solar energy, namely, solar collectors for use in swimming pools and thermal siphon systems; solar collectors for use on roofs; apparatus and systems for converting and storing sunlight by means of physical, biological, and chemical methods for heating purposes and water heating, namely, solar heat absorbing panels being component parts of solar collectors, solar selective layers in the nature of heat collection panels for heating being parts of solar collectors; solar heating boilers; heat exchangers; reflectors for sunlight in the nature of mirrors and solar collectors in the nature of compound parabolic concentrators for concentrating solar rays; air conditioning apparatus; ventilating apparatus, namely, ventilators for heating; apparatus for heat recovery, namely, ventilators for heating featuring an incorporated waste air heat exchanger

Non-metallic building materials, in particular solar glass; heat storage tanks, namely, non-metallic double wall insulating containers having an evacuated space between their walls; pre-fabricated silos not made of metal for storing biomass pellets in the nature of wood pellets

Development and technical consultation in the field of the aforementioned goods, namely, technical scientific development in the field of heat engineering, technical scientific development in the field of solar engineering and engineering consultancy