List of activities classified inside the UK SIC Code 43220
- Air conditioning contracting
- Installation of heating and ventilation apparatus
- Installation of lawn sprinkler systems
- Installation of non-electric solar energy collectors
- Installation of oil heating systems
- Installation of plumbing
- Installation of refrigeration
- Installation of sanitary equipment
- Installation of sprinkler systems
- Installation of steam piping
- Installation of ventilation
- Plumbing contractor
- Repair and maintenance of domestic air conditioning
- Repair and maintenance of domestic boilers
- Repair and maintenance of non-domestic central heating boilers (manufacture)
- Repair and maintenance of office, shop and computer centre air conditioning
- Installation of gas meters
- Installation of gas heating systems
- Heat and air-conditioning installation
- Heating and plumbing contracting
- Heating engineering (buildings)
- Heating service contracting
- Hot water engineer
- Installation of air conditioning equipment and ducts
- Installation of air conditioning plant
- Installation of coldrooms
- Installation of cooling towers
- Installation of duct work
- Installation of electric solar energy collectors
- Installation of electrical heating systems (except baseboard heating)
- Installation of fire sprinkler systems
- Installation of furnaces
- Installation of gas fittings
- Sanitary engineering for buildings