winter greenhouse.

[george]

hey ron,george in crescent city fl.this will be my first year with a winter greenhouse.will be growing various hot peppers,tomatoes,& some herbs using the drip system in a 12 x 24 greenhouse.i am trying to estimate how much heat i will need to get thru the winter.books say 75 degrees is the optium temp.should i try to maintain this temp 24 a day or just during the nite & exceptionally cold daytime temps.don't want to under or over estimate the system.tia,george