I spent more than a month contemplating which system to go with
I went with mist king because he had the smaller nozzles, and they came in all black, and to me that is more aesthetically pleasing than have white on red or any other color that herp mist had at the time. given the same opurtunity i'd do so over and over and over and over again, it is that good.
I think you will be a safe bet to consider those companies, and as a matter of fact there are even more companies who's systems I've found are catching up rather quickly in the game.
this fundamental problem makes caring for chameleons of different species and even of the same species at diffent ages more of a mind boggler than anything.
so you experiment...
short misting sessions, let it dry. see how long it takes, factor in various environmental changes that could possibly occur in your controlled atmosphere... blah blah bleee blahhh
the rule of thumb is you don't want to over do it. if you value your chams life you wont. you don't want to come back to his cage and here some popping because you tried to get fancy with it. just do your job.
and eventually you find that if you don't create a perfect plan for yourself you aren't going to be very automated, and the goal is to be automated, SUPER batcave automated 7 day cricket trap door u know what i'm saying.
chameleon keeping is soooo awesome but it is so much work i want to cry and i made it look easy for long time and i am on the verge of starting to lose my mind.
then you realize you can give some of your bigger ones long misting session and they will love it, so it becomes a multiple setup game.
and with tubing as your cheapest factor, i would stock up on it.
and build your self systems that you can easily snap in and out while your there and give sets of chameleons with specific requirements a one step ordeal. for adults 12-13 minute misting sessions which is why the repeat cycle timer comes in really handy, every hour and a half or so during rehydration/acclimation.
I explain that theory like this, in the individual mistings 13 minutes is a very good period to drink a lot if your mist is hitting a plant with good foilage and proper drainage in the soil mix. you don't want to drown your ficus but lets not get to technical i sort of have a life. In one misting session you want it to be as long as possible and then give it a fair amount of time to dry, and of course this will vary on your climate and humidity. during the summer i like to kick it up a notch if i need to, no drastic changes. bump your timer up or down in increments if you plan to change your set cycle, as when you set your cycle you are also mentally programming your chameleons and how fast they drink, for instance if you give them really long cycles and then switch to really short, when the water comes on they are going to be accustomed to chilling out for a minute before going in for the big slurp, and if the water turns off by then, that sucks, of course they will still get to drink of the leaves and will be benefitting, but still, you'll find they like to play in it.
its best to also note this fact:
TO effectively use a misting system you have to make sure your chameleon has elsewhere to go shall he or she choose not to be misted, this is very important I cannot stress this enough. I can just see people putting one of these pumps on a small cage wow. the above advice goes to only people with very adequate cages which you should have anyway.
check this out here is a thread that both misting companies happened to stop by anyways.
https://www.chameleonforums.com/misting-system-here-yes-12283/