In theory, any additional heat will hurt the lifespan of the LED drivers, but in practice, we have not had any issues with the CrystaLux G9 Series H7 we put in the ANZOs of our project truck's low beams. The high beam housing of the ANZOs is a little more compact than the low beams, but with how infrequently the high beams are used, you would likely not have a problem with their long-term operation or reliability,