You were being argumentative plus you keep insisting that you want some "standard" to be imposed before you'd commit when the facts are you'll be waiting a LONG time, lol.
The best option is to SIMPLY ASK FOR ADVICE from those who are trusted and can give you the straight dope on what you're looking for. In fact there are a few businesses/advertisers right here on RIU, as well as dozens of experienced growers who can also give you the 411.
But you can just go on making excuses and stick with an outdated and more costly/problematic tech, I personally don't give a rats ass, lol. Oh, and using waste-heat from lights for heating may work, I have done in the past, but it's just another excuse because it is far less efficient than going with LED's and then adding a heater (and in summer you probably have to spend money on cooling, another negative ;?)