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what strain do you have? how will you grow them? what is your equipment? tell us more about your setup...

yes, if you keep at 80% you wont have any problems for many years... its cheaper to make new circuit, put new wires and conduits now, then later, or when it catches on fire... not worth of cheaping out... about differences, there is no winner and loser, we both have standards that keep us safe...

our instalation in homes always go on walls, inside flexible pvc tubes that are later covered with glazure that we cover all our walls with, and usually we put single wires, so you pull 3 single wires, brown, blue and yellow/green (phase, neutral, ground) from panel to junction box, from there...

its one phase... we only have 240v monophase and 380v 3-phase... we use RCD switch instead of gfci and afci, its enough to protect from both arcs and ground faults, and it is installed in panel boxes before all breakers, so its also used as main switch, we measure wire thickness in mm2, starting...

yea, romex trough floor and then pipe on a wall seems like a cool idea, it will save you some buck on pvc pipes... yea, here we have 240v and 3 phase 480v devices like ovens, water heaters etc.

hey mate, sorry i forgot i promised to look into this, i popped my sleeping pills, and am almost done, all i have right now is this video: which i wanted to see to learn about your system... i think 240v is bi-phase since you use 2 phase (hot) terminals... for all surface wires i usually used...

ill be watching closely... im certified electrician, but from overseas, so your gauge, 110v and 220v monophase is something i have to wrap my head around, i once did wiring diagram on another forum for american guy but that was 2 years ago... am currently at work so in about 2 hours ill have...

let us know how it worked out for you... how fast does it cool your tent... im eager to know, i might change my opinion about portables...

what kind of portable ac did you use? how much did it cool room?

also, there is this calculator: https://subcooled.com/grow-room-hvac-calculator/

hmmm, on that thread, guy had 9x600w plus a burner, with your calc only fpr lights he would need 15.390, but needs to use 28000 btu ac, i dont think he need 12000 btu just for burner, and if i digged around little bit more im sure ill find more proof agaibst that formula, but i dont really care...

not me, my mother... i dont believe its a good calculation, it seems logical to include room size, but i may be wrong as im not an expert in cooling... and i definitely dont believe its an industry standard, something like 3.4 just doesnt make sense to be applicable to room size of 2x2x2 and...

here is a good info on calculating your btu: https://www.icmag.com/forum/marijuana-growing/growroom-designs-equipment/91120-calculating-the-size-of-a-air-conditioner

ive had portable air conditioner for home cooling, it wasnt doing anything in summer, i assume it wont to much for your lung room as well... but that was about 13 yeara ago, maybe today devices got better...

today, there are so many capabilities with electric and electronic parts, literary, even if this thing is operated at 24 v, you can find custom board to run it and connect it to your arduino that works on 5v and has 20mA output on his pins... and were not even talking about adding something like...

of course, trust me, when i find a product i like, i search youtube about how it works, google for same, i google reviews, if its lets say amazon i look for worst reviews, etc etc, then if i like product, like some dehumidifier, i imagine how it works in my tent and what are problems i may run...

something that can do this: in plumbing its called 3 way valve i think (im electrician, so i know little about these things)...

i see... well, basically, anything that has electromotor can be controlled with micro controller... but im wondering, can the duct be achieved in a way you only have one flap (i think thats how this motorized part that opens and closes is called), in a Y splitter, just before v part, so when it...

change in what way? like have intake and outake with one pipe? this should be achievable with changing of fan blow direction... tell us more about what you want to achieve and well see what we can figure out...

nope, it uses i2c if im not misaken, sp only 2 wires for data plus 2 for power, and then your microcontroller basically sends give me temperature command, and sensor sends temperature, same for rh and for co2... so its not just a sensor, but there is a chip on board as well that handles...