depends sa quality ng tint, there are clear tints that have higher heat rejection properties.

example..

Huper Optik 50
VLT = 50%
TSER = 50%

Solar Gard HP Quantum 37
VLT = 37%
TSER = 48%

compare with..

3M FX ST 5 (Super Black)
VLT = 5%
TSER = 46%

*VLT = Visible Light Transmitted
*TSER = Total Solar Energy Rejected