Which atmosphere controller?

Hi guys, been thinking about adding a temperature/humidity controller to my tent grow. I would like a controller that can maintain my desired temp/humidity and also have co2 functionality. I dont use Co2 yet but would like to in the near future. My grow isnt that big and i do not need a controller. Just want it to help maintain constant temps better... and i like gadgets/automation.

Titan
Blueprint
A couple popular companies? any suggestions

Sentinel Autopilot

http://www.plantlightinghydroponics.com/sentinel-chhc-4-total-environmantal-controller-p-2778.html ya the sentinel looks sweet!

A little more than i wanted to spend though... :/

GrowOp Atmos D1.
It's a better version of that sentinel.

I have both. The sentinel seems very damn cheap. Buttons barely work. Readings are more accurate on Atmos and it's cheaper.

Mvale002 said:

http://www.plantlightinghydroponics.com/sentinel-chhc-4-total-environmantal-controller-p-2778.html ya the sentinel looks sweet!

A little more than i wanted to spend though... :/

Click to expand...

Another device in the same price range:

http://www.amazon.com/gp/aw/d/B008NNOGXS/ref=mp_s_a_1_4/179-8189998-8490766?qid=1417614503&sr=8-4&pi=AC_SX110_SY165_QL70

Not so sure you'll find a controller that does it all, yet is cheaper than the ones we've mentioned.