hps gets hot in the summer. one of the reasons I think the plants like them. sun is warm and led are not, this could be the reason the plants always seem happier under hps. but as you know the studies show no difference or little difference in the whole of things being plant growth. this doesn't mean they are happiest under the led just not as happy as they seem under a HPS lamp. I would run the HPS system but cost is through the roof in our area and actually isn't affordable. But I am very happy with my current led lights and the plants they produce.

But yeah I think everyone can agree to the comfortable of the glow of HPS vs LED, it's nice and friendly. LED seems bright and cold. The broad spectrum doesn't always equate with happy growth, it just grows not knowing the difference.