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41

Environmental, waste disposal and recycling technology

Heat-economical installations

Energy and heating systems for buildings

2131.11

Energy systems

2131.14

Energy management centres

2131.18

Expansion tanks for boilers

2131.19

Water storage tanks

2131.20

Hot water accumulators

2131.21

Heat buffer storages

2131.23

Water heaters

2131.24

Storage water heaters

2131.27

Room temperature control systems

2131.31

Heating and thermomodule systems

2131.35

Gas and oil condensing boilers

2131.38

Pellet heating furnaces

2131.39

Wood gasification boiler

2131.40

Heating stations

2131.41

Wood firing plants

2131.42

Pellet heating systems

2131.44

Wood chip heatings

2131.47

Pellet storage tanks

2131.48

Pellet silos

2131.49

Pellet conveying systems

2131.51

Energy corn heatings