07
Heat and circulating pumps and their parts; adjusting valves
as parts of machines; water heaters essentially consisting
of heat exchangers as parts of machines
09
Physical, electrical and electronic measuring, control and
regulating appliances and regulating valves, in particular
for heating systems and heating controllers; time switches;
thermostats; data carriers of all kinds; computer software;
electrical and electronic installations for the remote
control of heating, ventilation, air-conditioning, water
conduits and steam generation systems and also solar
collectors and photovoltaïc installations; signal
installations; ignition appliances; electrical storage
blocks; thermoelectric coupling installations and their
parts
11
Heating, ventilation, cooling, drying, water conduits and
steam generation appliances, in particular oil, gas and
dual-fuel burners and their non-electrical parts;
air-conditioning systems and their parts, in particular
fans, heater part, cooler part, scrubber part, mixing and
exhaust-air part, silencer part tube heat exchanger, rotary
heat exchanger; central heating systems essentially
consisting of boiler, oil, gas or dual-fuel burner and/or
solar collector, heat accumulator, control and regulating
appliances, hydraulic distributor; hot-water accumulators
and water heaters; solar collectors and heating systems
consisting of solar collectors and their parts; photovoltaic
installations essentially consisting of solar modules for
current generation, impedance transformers, control and
regulating appliances and their parts; regulation and safety
accessories for solar collectors, photovoltaic, oil and gas
installations and conducts, water appliances and pipes;
water heaters essentially consisting of heat accumulators
37
Installation, mounting, maintenance and repair of heating,
ventilation, water conduits and air-conditioning systems and
also solar collectors and photovoltaic installations;
construction in the field of heating, ventilation, solar and
air-conditioning technology, in particular of thermal and
air-conditioning systems, and also their installation,
mounting, maintenance and repair
42
Technical consultancy and design planning in the field of
heating, ventilation, solar and air-conditioning technology,
in particular of thermal and air-conditioning systems,
construction drafting, technical project planning; research
and development in the field of technology, in particular of
heating, ventilation, solar and air-conditioning technology;
engineering work; surveying; leasing; maintenance and
updating of computer software, computer programming
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