H.E.A.T is a Swedish hard rock group that was formed in Upplands Väsby in 2007, when the prior bands Dream and Trading Fate merged. The band's heavy sound is strongly influenced by past melodic rock groups such as Whitesnake, with H.E.A.T having supported musical acts such as Scorpions. Between autumn 2015 to summer 2017, the group focused entirely on writing and recording songs. Into the Great Unknown was released in 2017 via earMUSIC. H.E.A.T released H.E.A.T II in 2020, and Force Majeure in 2022 after reuniting with original vocalist Kenny Leckremo.

Upplands Väsby is a locality and the seat of Upplands Väsby Municipality, Stockholm County, Sweden with 48,907 inhabitants in 2020.