So I've got a small empty spot in my basement about 12x14 and plan on putting up 4 1000 watt air cooled lights. Had some questions about venting especially since it gets to -40 celcius here for a couple weeks straight in the winter. So i wanted to grab air from somewhere in my house for my lights and re direct it somewhere in the house to heat my living space in the winter. Im getting a little confused when it comes to fresh air intake and exhausting for hot air and humidity. Can i have a constant fresh air exchange going as well as a hot air exhaust that bring air from outside for when its to hot or humid?