UK SICSubclass
UK SIC 43.221—Heat pump installation
Subclass · UK Standard Industrial Classification (2026)
Where 43.221 sits
What 43.221 includes
- Installation, repair and maintenance of heat pump systems, including: • air source heat pumps • ground source heat pumps • water source heat pumps • hybrid and reversible heat pump systems
- Installation of heat pump components when part of an integrated installation (e.g., external units, ground loops, manifolds, buffer tanks)
- Commissioning, testing and system optimisation of heat pump installations
- Retrofitting existing heating systems to integrate heat pumps
- Installation of associated circulation, piping and control systems when part of a heat pump installation
What 43.221 excludes
43.221 in other systems
ANZSICAustralia · New Zealand
- 3233 Air Conditioning and Heating Services approximate via ISIC 4322
- 3234 Fire and Security Alarm Installation Services approximate via ISIC 4322
- 3231 Plumbing Services approximate via ISIC 4322
- 3291 Landscape Construction Services approximate via ISIC 4322
ATECOItaly
- 43.22.07 Installation of heat and air-conditioning systems approximate via ISIC 4322
- 43.22.02 Installation of pool filter systems approximate via ISIC 4322
- 43.22.01 Installation of geothermal systems approximate via ISIC 4322
- 43.22.03 Installation of fire sprinkler systems approximate via ISIC 4322
- 43.22.06 Installation of gas distribution systems approximate via ISIC 4322
- 43.22.04 Installation of lawn sprinkler systems approximate via ISIC 4322
- 43.22.05 Installation of other thermo-hydraulic plumbing systems approximate via ISIC 4322
- 43.22 Plumbing, heat and air-conditioning installation broader via ISIC 4322
CNAE BrazilBrazil
- 43.22-3 Plumbing, ventilation and refrigeration systems approximate via ISIC 4322
- 4322-3/03 Fire prevention system installations inferred via ISIC 4322
- 4322-3/01 Plumbing, sanitary and gas installations inferred via ISIC 4322
- 4322-3/02 Installation and maintenance of central air conditioning, ventilation and refrigeration systems inferred via ISIC 4322
- 4391-6/00 Foundation works inferred via ISIC 4322
- 4399-1/01 Construction management inferred via ISIC 4322
- 4399-1/99 Specialized construction services not specified previously inferred via ISIC 4322
- 4399-1/04 Services for the operation and supply of equipment for transporting and lifting cargo and people for use in construction projects inferred via ISIC 4322
CNAESpain
- 43.22 Plumbing, installation of heating and air conditioning systems contained via ISIC 4322
HSICHong Kong
- 4329 Other construction installation and maintenance inferred via ISIC 4322
- 4321 Electrical equipment installation and maintenance inferred via ISIC 4322
- 439913 Window installation and glass glazing inferred via ISIC 4322
- 421 Construction of civil engineering projects inferred via ISIC 4322
- 419 Other new building construction works inferred via ISIC 4322
- 432204 Gas fitting, installation and maintenance inferred via ISIC 4322
- 4391 Decoration, repair and maintenance for buildings inferred via ISIC 4322
- 412 Structural steel framework erection inferred via ISIC 4322
ICNEAChina
- 4920 Plumbing and equipment installation approximate via ISIC 4322
ISICUnited Nations (global)
JSICJapan
- 0832 Air conditioning and heating equipment installation work approximate via ISIC 4322
- 0833 Water supply and drainage work and sanitary equipment installation work approximate via ISIC 4322
- 0831 General piping work approximate via ISIC 4322
- 0891 Furnace construction work approximate via ISIC 4322
- 0762 Sheet-metal work approximate via ISIC 4322
- 0839 Other piping work approximate via ISIC 4322
KSICSouth Korea
- 42205 Fire fighting installation approximate via ISIC 4322
- 42201 Plumbing, heating, air conditioning works approximate via ISIC 4322
- 42500 Repair and maintenance works for construction works and supplementary facilities approximate via ISIC 4322
- 4220 Construction of installing building equipment broader via ISIC 4322
- 4250 Repair and maintenance works for construction works and supplementary facilities broader via ISIC 4322
MSICMalaysia
- 43221 Installation of heating systems (electric, gas and oil) approximate via ISIC 4322
- 43229 Plumbing, heat and air-conditioning installation n.e.c. approximate via ISIC 4322
- 43228 Installation of steam piping approximate via ISIC 4322
- 43226 Installation of gas fittings approximate via ISIC 4322
- 43222 Installation of furnaces, cooling towers approximate via ISIC 4322
- 43224 Installation of plumbing and sanitary equipment approximate via ISIC 4322
- 43227 Installation of fire and lawn sprinkler systems approximate via ISIC 4322
- 43223 Installation of non-electric solar energy collectors approximate via ISIC 4322
NACEEuropean Union
- 43.22 Plumbing, heat and air-conditioning installation contained via ISIC 4322
NAFFrance
- 43.22H Installation of thermal equipment and air conditioning approximate via ISIC 4322
- 43.22G Installation of water and gas in all local approximate via ISIC 4322
- 43.22 Plumbing and heating installation and air conditioning broader via ISIC 4322
NAICSUnited States
- 238220 Plumbing, Heating, and Air-Conditioning Contractors approximate via ISIC 4322
NAICS CanadaCanada
- 238220 Plumbing, heating and air-conditioning contractors approximate via ISIC 4322
- 238291 Elevator and escalator installation contractors inferred via ISIC 4322
- 238299 All other building equipment contractors inferred via ISIC 4322
NICIndia
- 432203 Installation, repair and maintenance of ventilation, air-conditioning equipment and heating systems (electric, gas, and oil), furnaces, cooling towers, non-electric solar energy collectors, etc. approximate via ISIC 4322
- 432299 Other plumbing, heating, and air-conditioning installation, repair and maintenance activities n.e.c. approximate via ISIC 4322
- 432201 Installation, repair and maintenance of plumbing for water, gas, and sanitation equipment (excluding hospitals gas fittings) approximate via ISIC 4322
- 432202 Installation, repair and maintenance of gas fittings and medical gas distribution systems in hospitals approximate via ISIC 4322
- 432204 Installation, repair and maintenance of all sprinkler systems including lawn and fire systems approximate via ISIC 4322
- 434000 Intermediation of specialised construction services inferred via ISIC 4322
- 4322 Plumbing, heat and air-conditioning installation broader via ISIC 4322
NOGASwitzerland
- 432201 Sanitary installation and plumbing approximate via ISIC 4322
- 432202 Lnstallation of heating, ventilation and air-conditioning systems approximate via ISIC 4322
- 4322 Plumbing, heat and air-conditioning installation broader via ISIC 4322
PKDPoland
- 43.22.Z Installation of water, sewage, heating and air conditioning systems approximate via ISIC 4322
- 43.22 Installation of water, sewage, heating and air conditioning systems broader via ISIC 4322
SCIANMexico
- 23821 Electrical installations in buildings inferred via ISIC 4322
- 236 Edification inferred via ISIC 4322
- 238221 Plumbing and gas installations inferred via ISIC 4322
- 238222 Installation of central air conditioning and heating systems inferred via ISIC 4322
- 23829 Other facilities and equipmentt in buildings inferred via ISIC 4322
- 237311 Installation of signs and protections in road works inferred via ISIC 4322
- 237313 Supervision of the construction of communication routes inferred via ISIC 4322
- 237312 Construction of roads, bridges and similar inferred via ISIC 4322
SICUnited States (legacy)
- 1711 Plumbing, Heating, Air-Conditioning approximate via ISIC 4322
- 1796 Installing Building Equipment approximate via ISIC 4322
- 1791 Structural Steel Erection approximate via ISIC 4322
- 7699 Repair Services, NEC approximate via ISIC 4322
- 1099 Metal Ores, NEC inferred via ISIC 4322
- 1475 Phosphate Rock inferred via ISIC 4322
- 1455 Kaolin and Ball Clay inferred via ISIC 4322
- 1459 Clay and Related Minerals, NEC inferred via ISIC 4322
SNISweden
- 43.221 Installation of heating and sanitary equipment approximate via ISIC 4322
- 43.222 Installation of ventilation equipment approximate via ISIC 4322
- 43.223 Installation of refrigeration and freezing equipment approximate via ISIC 4322
- 43.229 Other plumbing approximate via ISIC 4322
- 43.22 Plumbing, heat and air-conditioning installation broader via ISIC 4322
SSICSingapore
- 43220 Installation of plumbing, heating (non-electric) and air-conditioning systems approximate via ISIC 4322
- 43904 Production of pre-cast components inferred via ISIC 4322
- 43901 Foundation works; micropiling, conventional piling and underpinning inferred via ISIC 4322
- 43907 Production of Prefabricated Prefinished Volumetric Construction (PPVC) modules inferred via ISIC 4322
- 43909 Other specialised construction activities n.e.c. inferred via ISIC 4322
- 43902 Brick laying, stone setting and cement works inferred via ISIC 4322
- 43903 Roofing works; timber carcassing inferred via ISIC 4322
- 43905 Scaffolding works inferred via ISIC 4322
WZGermany
- 43.22.0 Plumbing, heat and air-conditioning installation approximate via ISIC 4322
- 43.22 Plumbing, heat and air-conditioning installation broader via ISIC 4322
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