With Dwyane Wade sidelined, the Heat relied upon a balanced attack, one that saw four players finish in double figures and 12 players drop in at least two points.
Chris Bosh led the Heat with 19 points on 8-of-9 shooting, and posted a game-high mark of plus-16 in the win, while LeBron James contributed 13 points on 6-of-13 shooting, six rebounds and five assists in 31 minutes.
Thanks to the three-point shooting of Mario Chalmers and Ray Allen (17 points), the Heat shot 47.6 percent from beyond the arc, as the two combined to make six of the team's 10 threes on the night.
Chalmers, in particular, played a significant role in the win, as he ripped off an individual 9-0 run in a third quarter that saw the Heat outscore the Hawks by seven points, 30-23. He finished the night with 14 points.
As a team, the Heat shot 50.6 percent from the field.
For the Hawks, it all came down to turnovers.
Entering Tuesday night, the Hawks were averaging just 14 giveaways a game, the fourth-best mark in the league. However, against the Heat, the Hawks committed 24 turnovers that led to 22 Miami points.
Al Horford paced the Hawks with 12 points and seven rebounds, but it was Mike Scott who led all Atlanta scorers with 15 points in 28 minutes off the bench.
Jeff Teague struggled, scoring just nine points while chipping in seven assists in the loss, both well below his season averages.