Thinking about a mini split

[patrickkawi37]

how about this one?

http://www.ebay.com/itm/24000-BTU-Ductless-AC-Mini-Split-Air-Conditioner-and-Heat-Pump-19-SEER-/360930733057?hash=item540925ec01

Also one more question, do they dehumidify? Right now in a 4x8 im running only a 5000 btu window shaker and it keeps the humidity at the perfect range.

All those are nice units . They dehumidify big time when they are working hard

 

[jkwrestling13]

All those are nice units . They dehumidify big time when they are working hard

Perfect, thanks so much for all your guys' help, i really appreciate it.

Will likely go with the 19 seer unit

 

[clayawesome]

Yes go with efficiency for sure. i also live in michigan. in a 4 (air cooled) light room with co2 burner and dehu i use a 18000 btu split. it is overkill. if u dont plan on expanding a lot defiantly dont get a 2 ton.
that 19 seer in the link only has 16 feet of line. usually they only contain enough refrigerant for the lines that come with them so u may have to add some.

 

[clayawesome]

correction. that unit is pre charged for max 25 feet.

 

[a senile fungus]

Michigan growers unite!


I've been slowly looking at these units too...

Thanks for the thread, another one to reference.

 

[jijiandfarmgang]

I'm not going to recommend a brand, because I have little experience with the cheap ones. Just make sure if your running a sealed room you get a split with a low ambient kit, such as the senville one you linked to.

- Jiji

 

[jkwrestling13]

Also, can you add line to the unit? Im think i could do with just25 foot, and i understand they lose efficiency after25 foot, but i may need to go a bit longer

 

[jkwrestling13]

Yes go with efficiency for sure. i also live in michigan. in a 4 (air cooled) light room with co2 burner and dehu i use a 18000 btu split. it is overkill. if u dont plan on expanding a lot defiantly dont get a 2 ton.
that 19 seer in the link only has 16 feet of line. usually they only contain enough refrigerant for the lines that come with them so u may have to add some.

My lights will not be air cooled, and i want to go big enough to add a co2 burner and more lights if need be.

 

[clayawesome]

if u add more than 25 ft total u must have someone add more refrigerant as well but yes u can

 

[nevergoodenuf]

I'd recommend you go with a 20# tank and a CO2 controller. I only pay $15 for a fill up every couple months in a similar size room and you reduce the cost of your cooling.

 

[jkwrestling13]

I'd recommend you go with a 20# tank and a CO2 controller. I only pay $15 for a fill up every couple months in a similar size room and you reduce the cost of your cooling.

I currently have a 20# tank and regulator. I go through a tank in 2 weeks in a 4x8 room.

 

[nevergoodenuf]

What are you using to control PPMs? Are you sealed?

 

[jkwrestling13]

What are you using to control PPMs? Are you sealed?

Im thinking thats where my problem is. At the moment im running just a 5000 btu window ac. It keeps temps down, but it I am assuming there is some co2 leakage going on.

 

[Merkin Donor]

As for total lineset length without having to add additional refrigerant check the manufacturers installation manual because they are all different (15' to 50'+ depending on manufacturer). You will not see a loss of efficiency by going over 25' - building envelope and installation issues will have noticeable impact long before LS length gives you problems. With regards to your room size and future lighting upgrades you might consider getting a multi-head condenser and just install one head initially. When you add more lights get more heads.

 

[horse renoir]

Im thinking thats where my problem is. At the moment im running just a 5000 btu window ac. It keeps temps down, but it I am assuming there is some co2 leakage going on.

a window unit will suck out your c02, a mini split will not

 

[jkwrestling13]

a window unit will suck out your c02, a mini split will not

I am aware.