DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR (using steam or condensate extracted or exhausted from steam engine plants for heating purposes F01K17/02)

Description

F24D covers complete heating and hot-water supply systems for residential and commercial spaces, including central heating installations, boiler systems, heat distribution networks, and associated control mechanisms. It encompasses both the system architecture (radiators, pipes, pumps, expansion vessels) and individual functional components that enable thermal comfort in buildings. This classification includes conventional fossil-fuel-based systems as well as renewable heating technologies such as heat pumps and solar thermal systems. Related heating technologies for industrial processes or specialized applications are classified elsewhere within the F24 series.

19 direct subcodes

Child Classifications

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F24D 1/00 Steam central heating systems (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00)
F24D 10/00 District heating systems
F24D 11/00 Central heating systems using heat accumulated in storage masses (self-contained storage heating units F24D15/02)
F24D 12/00 Other central heating systems
F24D 13/00 Electric heating systems
F24D 15/00 Other domestic- or space-heating systems
F24D 17/00 Domestic hot-water supply systems
F24D 18/00 Small-scale combined heat and power [CHP] generation systems specially adapted for domestic heating, space heating or domestic hot-water supply
F24D 19/00 Details (of water or air heaters F24H9/00; of heat-exchange or heat-transfer apparatus, of general application F28F)
F24D 2101/00 Electric generators of small-scale CHP systems
F24D 2103/00 Thermal aspects of small-scale CHP systems
F24D 2105/00 Constructional aspects of small-scale CHP systems
F24D 2200/00 Heat sources or energy sources
F24D 2220/00 Components of central heating installations excluding heat sources
F24D 2240/00 Characterizing positions, e.g. of sensors, inlets, outlets
F24D 3/00 Hot-water central heating systems (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00)
F24D 5/00 Hot-air central heating systems (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00; air conditioning F24F); Exhaust gas central heating systems
F24D 7/00 Central heating systems employing heat-transfer fluids not covered by groups F24D1/00 - F24D5/00, e.g. oil, salt or gas (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00)
F24D 9/00 Central heating systems employing combinations of heat transfer fluids covered by two or more of groups F24D1/00 - F24D7/00 (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00)