06
Chimneys of metal; chimney cowls of metal; chimney pots of
metal; chimney shafts of metal; jets of metal; ducts and
pipes of metal for central heating installations
11
Chimney flues; chimney blowers; heating apparatus; heat
pumps; heaters for baths; solar furnaces; solar thermal
collectors [heating]; incinerators; fireplaces, domestic;
stoves [heating apparatus]; steam accumulators; heat
accumulators; air- conditioning installations; cooling
installations and machines; cooling installations for water;
ventilation [air-conditioning] installations and apparatus;
coils [parts of distilling, heating or cooling
installations]; regulating accessories for water or gas
apparatus and pipes; safety accessories for water or gas
apparatus and pipes
35
Commercial information and advice for consumers [consumer
advice shop]; retail and wholesale services in the fields of
heating and hot water systems and their accessories,
fireplaces and their accessories, refrigeration and air
conditioning systems and their accessories
37
Construction; construction consultancy; heating equipment
installation and repair; installation and repair of air-
conditioning apparatus; freezing equipment installation and
repair; furnace installation and repair; burner maintenance
and repair
42
Construction drafting; conducting technical project studies;
consultancy in the field of energy-saving