I dont totally understand you lighting combinations. But I imagine you should get a temp gauge and measure the temp in the PIg shed or whatever it is before you buy lights.

If its cold in winter time a HPS would heat that space up and actully work in your benifit to heat your shed.

If its summer and super hot in a shed, CFLs is the way to go.

I grew in a attic once all winter and the light Heat worked perfect to keep the plants warm and tostie but had to have a heater running when the light wasn't on. And ofsourse in summer time I had to move the OP to the basement. Hope this helps some

kd_special