Harry Cochrane and Harry Stone have both made loan moves.
Cochrane has joined League One side Montrose while Stone heads to Lowland League outfit Spartans.
Both players will return to Hearts in January.
19-year-old Cochrane made his first team debut in 2017 has featured 33 times in a maroon shirt, and has scored one goal.
Goalkeeper Stone recently signed a new deal with the Jambos until 2023. The 18-year-old made his professional debut earlier in the month after an emergency loan move to Stirling Albion, where he kept a clean sheet against Queen’s Park.