| ICS | Field |
|---|---|
| 91.140.01 | Installations in buildings in general |
| 91.140.10 |
Central heating systems Including burners and boilers for central heating systems Pipelines and its parts for district heat, see 23.040.07 Heating appliances, see 97.100 |
| 91.140.30 |
Ventilation and air-conditioning systems Including ventilation ducts Ventilators and air-conditioners, see 23.120 |
| 91.140.40 |
Gas supply systems Including gas meters in buildings |
| 91.140.50 |
Electricity supply systems Including electric energy meters in buildings, emergency electrical supplies, etc. |
| 91.140.60 |
Water supply systems Including water meters in buildings Pipelines and its parts for external water conveyance systems, see 23.040.03 External water conveyance systems, see 93.025 |
| 91.140.65 | Water heating equipment |
| 91.140.70 |
Sanitary installations Including bidets, kitchen sinks, baths, waste chutes, etc. |
| 91.140.80 |
Drainage systems Sewage water disposal and treatment, see 13.060.30 Drainage systems for rainwater, see 91.060.20 External sewage systems, see 93.030 |
| 91.140.90 | Lifts. Escalators |
| 91.140.99 | Other installations in buildings |