Numbers and Titles



Includesequipment used to transfer heat from one medium to another.
See22 35 00 for domestic water heat exchangers. 23 21 00 for hydronic piping and pumps. 23 22 00 for steam and condensate piping and pumps. 23 72 00 for air-to-air energy recovery equipment. 42 13 00 for industrial heat exchangers and recuperators.
23 57 13Steam-to-Steam Heat Exchangers
23 57 16Steam-to-Water Heat Exchangers
23 57 19Liquid-to-Liquid Heat Exchangers
23 57 33Direct Geoexchange Heat Exchangers