URI
Notation
697
Caption
Heating, ventilation and air conditioning of buildings
Including
Heating of buildings generally: by fires, stoves, panel-heaters, central heating, solar heating. Ventilation. Air conditioning
See also
621.1Heat engines in general. Generation, distribution and use of steam. Steam engines. Boilers
628.8Indoor climate. Air conditioning. Heating. Ventilating
644.1Indoor climate control. Heating. Ventilation. Air conditioning
662.6/.9Heat economy. Fuel economy. Fuels. Heating
683Ironmongery. Hardware. Locksmithing. Bottling. Lamps. Heating appliances
Broader class
69  Building (construction) trade. Building materials. Building practice and procedure