Northern Lights Auto - 2nd shed grow

Buds are fattening up nicely, so sticky and have really developed a strong smell in the last week. Temps are cold but nothing i can do, even with 2 bar heaters running around the clock grow tent temps fluctuate between 14 and 20. Sort of depends on the temp outside as thr heaters only increase the temp by 6 or 8c at most. The condensation issues I had last week are solved, but I could only achieve by running the exhaust fan all the time. No condensation but the temp suffered. I'm really forcing myself not to defoliate but not sure if this is wise. Guess we'll see