Carberry smashed six fours and six sixes in an unbeaten 77 from 37 balls ??? part of a 114-run partnership with Adam Voges, who this time provided a supporting role with 35 from 37 deliveries, following on from his match-winning 54 against Adelaide on Tuesday.
Carberry showed particular disdain for countryman Andrew Flintoff, hitting him for two sixes and a four in his solitary over which cost 18 ??? another disappointing outing for Freddie, who only managed seven with the bat in the Heat???s total of 134-7.
It was part of a three-over spell that yielded 45 runs and was the turning point in the game, with the Scorchers only reaching 61-2 after 10 overs.
The Heat???s bowlers have not fired at all in this year???s Big Bash, with only 17 wickets in tournament entering this game in comparison to the Scorchers??? 41.
But they picked up two early wickets with Marcus Harris (six) and Michael Klinger (10) falling cheaply.
It was just the start they???d hoped for after disappointing with the bat ??? 43-year-old Brad Hogg again impressing for the Scorchers with 2-14 from his four overs.
Jason Behrendorff (2-28) also bowled well ??? picking up the wicket of Flintoff in the 13th over, trying to cut him away but sending a thick outside edge through to the wicketkeeper, Sam Whiteman.
At that stage the Heat were only 73-5 with a score of 120 looking unlikely.
Nathan Reardon gave the innings some respectability by striking an unbeaten fifty (52 off 40 balls), playing the ramp shot to good effect in particular as the Scorchers bowlers looked for yorkers late on.
But it wasn???t enough and the Heat are now rooted to the foot of the table with just one win from their five games and their very slim chances of qualifying for the semi-final stage already fading.