If it is a massive building then yes you could figure it in. I might have info on that. I will see If I can locate it. Living in AK, you do not really think of that since we only use AC in our IT rooms. Most buildings I deal with are for the most part are well insulated Any heat loss form the lights that is picked up by the heating systems would me insignicant.

Last edited by sparkyinak; 12/15/07 03:20 PM.

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