Boyd’s Bible Dictionary:
(heat). Person or place (1 Chron. 2:55). Hamath (1 Chron. 13:5; Amos 6:14).
Concise Bible Dictionary:
One called “the father of the house of Rechab” (1 Chron. 2:55). See also HAMATH.
Jackson’s Dictionary of Scripture Proper Names:
same as Hammath