need suggestions for atmospheric controller

evening gents, the time has come to get the serious equipment. I'm getting my shopping list together and am having a hard time deciding on atmosphere controllers.

here are my needs:

control exhaust fan relative to humidity and temps
activate co2 when exhaust fan is off
do not activate co2 when lights are off

any suggestions? amazon.com would be great!

any tips for setting up these systems?

Save yourself a ton of money and buy a thermostat controller for your exhaust fan (can't control both humidity and temp from 1 fan). Buy a Co2 monitor/controller and put it on a timer.

Maybe you want to do more with the controller but what you have listed so far doesn't even scratch the surface of what they can do. I spent a few months researching them before getting a new one for my room.

that's what I wanted to do originally but how does putting the co2 on a timer help with syncing it with when the exhaust fan is off?

You are gonna have to drop some CASH just for a single controller for a fan and a Co2. This is the one you probably need to get. http://www.greners.com/i/meters-timers/controllers/brand/titan-controls/titan-controls-kronus-2-dig-rem-temp-hum-co2-controller.html

Basically it will shut the Co2 off when the climate reaches a certain temperature. You plug your fan into that controller as well. When the fans are on the Co2 is off. Good luck.

You can get a good deal on Green Air products now. I see MCC-1 on google listed for like 500 or so bucks, I paid almost 900 for mine.

what about something like this? http://www.amazon.com/CAP-Atmosphere-Controller-Independent-Humidity/dp/B0001XA2UO/ref=sr_1_1?ie=UTF8&qid=1332418190&sr=8-1

The Growery said:

what about something like this? http://www.amazon.com/CAP-Atmosphere-Controller-Independent-Humidity/dp/B0001XA2UO/ref=sr_1_1?ie=UTF8&qid=1332418190&sr=8-1

Click to expand...

That controller only let's you control the temperature and humidity (a/c or fan and dehumidifier or humidifier). No Co2 controls.