Ok, so in my experience, I've used both long range and efficient, and both will cause frost to form on my canopy, I'm just a bit too lazy to count the seconds.
On the other hand, the guy who asked also did some research and came back with this:
Had a good read on the way down and it looks like the heat dissipation of the TV beams is related to the Heat Per Second (HPS)
The TV beams vent 3x the HPS when connecting, which is how they can cool the ship. Eff. beams with low HPS are worse than other types like overcharged
The complicating factor is WEP cap. When the cap is full firing any weapon will generate 1x the weapon's HPS in heat. When the WEP cap is empty firing will add much more heat, not sure of the amount but somewhere like 2x or 3x the HPS of the weapon
SO to address the earlier suggestion about the effectiveness of small thermal vent turrets: if they are short range or OC they will have a small but noticeable effect - when they connect AND the WEP cap is full. If the turrets are small TV efficient, then no you probably won't notice this
So, yes, the larger lasers will vent more heat, especially when you have a fully charged WEP capacitor.