Your not really saving anything with LED lights. The small foot print that you get from them really limits what you can do with them.
I've tried both and I went back to hps lights.
LED put off less heat but they do put off heat that still needs to be dealt with.
Check out brother Sleesy's grow he loves them. https://www.rollitup.org/grow-journals/483980-2-500-watt-blackstar-led.html