7
Combustion engines with coupled heat exchangers for electricity and heat generation, being complete units (combined heat and power plants); Recirculating pumps
9
Electric and electronic measuring, control and regulating apparatus, and regulating valves, in particular for heating installations and heating regulators; Electric/electronic control valves; Time-delay programming devices; Thermostats; Data carriers of all types; Computer software; Electric and electronic installations and apparatus for the remote control of heating, ventilating, air conditioning, water supply and steam generating installations and solar collectors and photovoltaic installations; Signalling apparatus; Photovoltaic installations, mainly consisting of solar modules for generating electricity, impedance converters, control and regulating apparatus and parts therefor; Regulating accessories for photovoltaic installations, electric memory blocks
11
Apparatus for heating, ventilating, refrigerating, drying, water supply and steam generating apparatus, in particular oil, gas and dual-fuel burners, and non-electric parts therefor; Air conditioning installations and parts therefor, in particular fans, heater parts, cooler parts, washer parts, mixing and ventilating parts, sound damping parts, tubular heat exchangers, rotary heat exchangers; Heating systems consisting predominantly of boilers, oil, gas or dual-fuel burners and/or solar collectors, heat accumulators, hydraulic distributors; Lighters; Hot water tanks and boilers; Heat pumps (heating technology); Solar thermal collectors, and heating installations consisting predominantly of solar collectors and parts therefor; Regulating and safety accessories for oil and gas installations and oil and gas pipes, water apparatus and pipes; Regulating and safety accessories for apparatus and pipes of heating installations featuring solar collectors; Water heaters, mainly consisting of heat exchangers and reservoirs
37
Installation, assembly, maintenance and repair of heating, ventilating, water supply and air conditioning installations, and solar collectors and photovoltaic installations
42
Technical consultancy and architectural and construction planning in the fields of heating, ventilating, solar, photovoltaic and air conditioning technology, in particular for heating technology installations and air conditioning installations, as well as installation, assembly and maintenance thereof; Construction drafting, technical project studies; Research and development in the field of technology, in particular heating, ventilating, solar, photovoltaic and air conditioning technology; Surveying; Surveying; Rental, maintenance, updating of computer software, computer programming