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Temp control issues in new tent

Well it might but I don't think it will be steaming a whole lot . Does steam roll out the window when you open it? Lol it would still look better then cardboard and there are some you tube videos on ways to vent out the window. Maybe just crack the window and set exhaust on the sill just watch the temp for a few hours. I have my window open but it's not in the teens here. Exhaust is just sitting on the sill with the curtains closed lol going to have to get something myself with the rain were having but the window is fairly well protected from water. not sure on the effects of upper 80 air being vented out into the really cold temps. But I don't think it will lol let me know.
 
I run my 8 inch ventilation tube into the attic by using a ceiling bathroom vent (I own my house no renting. ) I run a 600 watt cool tube kept cool by a 8 inch 747CFM fan in my small tent no problem (73 to 74 above at full power)
 
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if you're worried about the cold you can always just intake air from the room it's in and vent outside, that way you get rid of the hot air but the air coming in isn't too cold either.
 
Hey guys, sorry i disappeared. I just got home from work about an hour ago and set to rearranging my exhaust like many of you mentioned. I ended up moving the tent out of the closet and ran a longer piece of ducting. For now it's just attached to an old tote lid that just about fits the window; and a white pillow tucked against the small gap leftover. The radiator in the room has been dialed back with the ceiling fan and the small 6" box fan in the tent. Ill be checking every couple of hours to see if it stabilizes. Besides that, all three of the seeds have sprouted after about 72hr. All praise the RR gods!
 

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Morning Jack, that looks nice, I draw cold air 15-25degrees into my tent every day, My plants love their environment. Good Luck with yours.
 
Thanks DAAS, and thats actually the exhaust till i get a window unit like chef had mentioned. Im hoping that the extra air movement will bring the temp in the tent down considerabbly. There's a good amount of negative pressure inside the tent helping suck fresh air, about 70-75F from the surrounding room.
 
hey jack looking at your pictures I noticed that your ducting is way to long I would rearrange that cut it down so it stretches tight from one point to another ( for each 90 degree bend it increases the distants your air has to travel also you should have you filter attached to your light with the exhaust fan pulling air thought the light this will increase air flow ,in the pluming section of Lowes they have six inch exhaust ducts so you can remove a pane of glass and install this so you dont get drafts
 
Jack I'm sorry I only read the first page before speaking lol anyways it looks much better I like the tote cover idea ,for the cost I find that its better to have an exhaust port that does not allow back drafts . I have a 25 foot run on one of my exhaust fans and the only way I can get good airflow was to stretch the ducting tight then cut it to the desired length this allowed me to get the maximum air flow from the fan also if you run a short peice of garden hose from that window to your intake fan it will draw cold air into the room while keeping the rest of the area warm
 
Hey guys, just an update. The changes with the exhaust are working awesome, the average temp is down to about 84F. I will keep you posted on the new window unit as i get it ordered and installed
 
that's sorta what I do, except I don't vent directly out the window, just have my venting duct near the window so the hot air goes towards it and my intake is away from the cold winter air
 
Just read your post sorry I’m late but it’s not hard to repair a 6” hole in sheet rock, I exhaust in attic my2c
 
Hey Potted, thanks for the advice. I would def go through the ceiling, but i have it in my lease that i wont go into the attic.
 
Do you have hygrometer? What is the humidity in the tent? I had a problem with it being way low when my tent temps were high. Just wondering because if it's too low like mine was it will effect growth.
 
I had the same problem until I added a small, 1 1/2 gal humidifier. When humidity was in the 60's during veg my temps were in the low to mid 70's with exhaust fan on low and I had to remove glass from air cooled hood to keep temps from getting too low. But in flower when I lower humidity to the 30's my temperature goes to around 80. I reinstalled glass on hood but I think I need a larger exhaust fan. Humidity definitely has an effect on temps but you want lower temps and humidity when in flower. Short version... increasing humidity with help with temps during veg but you need to get heat under control for flower.
 
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