So Easy it's Hard

[smoothy]

I'm setting up another grow room, but the only problem is -the intake !!!

My only option is to pull air from the outside in
How do I combat the difference in temps, (cold air from winter-hot air from summer),from the ouside to inside temps?:S5:

smoothy Reviewed by smoothy on 01-13-2010. So Easy it's Hard I'm setting up another grow room, but the only problem is -the intake !!! My only option is to pull air from the outside in How do I combat the difference in temps, (cold air from winter-hot air from summer),from the ouside to inside temps?:S5: Rating: 5