CALTEC

SOLAR COLLECTORS FOR HEATING PURPOSES

WATER HEATERS FOR DOMESTIC USE; HEATERS FOR SOLID, LIQUID OR GASEOUS FUELS; CENTRAL HEATING UNITS; PIPES FOR BOILERS; GAS-FIRED BOILERS, HEATING BOILERS; AIR-CONDITIONING UNITS; COOLING SYSTEMS FOR WATER AND AIR COMPRISED OF GAS REFRIGERATORS, COOLERS, COOLER EVAPORATORS, COOLING TOWERS, COOLING TUBES AND AIR-CONDITIONERS; WATER PIPES AS PARTS OF SANITARY INSTALLATIONS, WATER PIPES FOR HEATING SYSTEMS; VENTILATORS FOR AIR-CONDITIONING; OIL-FIRED BURNERS; SOLAR COLLECTORS FOR HEATING PURPOSES; HEATING PUMPS