The best mini-split ductless heat pump/ac models list

[Rolldaddy]

Thanks whadeezlrg either way for chiming in.

Where I am it gets cold during winter so with the lights out and no heat, temps will fluctuate more that 10 degrees. So I'm trying to find out what brand can auto change over. And if a model has an option to control the size of the dead band would be even better.

Thanks

 

[Rolldaddy]

Thanks EZrider

I didn't know on mini splits that if it's on auto it will automatically go from heat to cool. That's why I'm asking here.

FYI. With a central ac unit the on/auto switch only regulates if the fan stays on constantly or if it cycles on and off with the compressor. Most central ac thermostats have 2 switches besides the temp control. One for the fan (auto/on) and another that sets the unit to (cool/heat/off). For a central ac to switch automatically from cool to heat it needs an auto changeover thermostat.

 

[Catatafish]

Asslover, if you pick up that set by CPS / Proset....be careful.

I have it and cant figure it out.

I would say look for the ft/lb version instead of the nm version, i believe they make both versions.

Im fully willing to retract my statement if someone can teach me how to use the nm version

The ft/lb versions have a graduation of 0 , 1, 2, 3 , 4, etc. which makes it easy to dial in.

The nm version has 0 , (two un-numbered slots, 18, 1 un-numbered, 10, 1 un-numbered, 42, 2un numbered, then repeats. ??? I couldnt figure out how to set it properly and did my best guestimate on it. No instructions on line, no videos that i could decipher, ...nada. It functions though.

Yellow jacket makes a nice set

 

[Catatafish]

Asslover:

Around $130 new
yellow jacket 60652 - eight size kit
yellow jacket 60650 - six size kit

 

[Ez Rider]

Asslover, if you pick up that set by CPS / Proset....be careful.

I have it and cant figure it out.

I would say look for the ft/lb version instead of the nm version, i believe they make both versions.

Im fully willing to retract my statement if someone can teach me how to use the nm version

The ft/lb versions have a graduation of 0 , 1, 2, 3 , 4, etc. which makes it easy to dial in.

The nm version has 0 , (two un-numbered slots, 18, 1 un-numbered, 10, 1 un-numbered, 42, 2un numbered, then repeats. ??? I couldnt figure out how to set it properly and did my best guestimate on it. No instructions on line, no videos that i could decipher, ...nada. It functions though.

Yellow jacket makes a nice set

I have the same wrench. It took me awhile, and another torque wrench to figure it out.Ignore all marks except the individual "notches". Each of these counts as 1 ft/lb. The #'s going up the shaft are ft/lbs too. IGNORE all marks but the single notches on the dial, and the graduation marks on the shaft, and you'll be ok. If this isn't clear enough, let me know. I spent about an hour figuring the bastard out myself. They should keep the metric system in europe/asia...where it belongs.

 

[Asslover]

Asslover:

Around $130 new
yellow jacket 60652 - eight size kit
yellow jacket 60650 - six size kit

Ended up going with the eight size set

 

[Catatafish]

Nice! Looks sweet

 

[PrivateAero]

I just had a 2 ton Fujitsu installed in a 4 light room. Works great and quiet. I'm leaving the fan on so I can get rid of my oscillating fan now. I think it's overpowered but I bought it so that when I move I can take it with me. It hasn't gotten hot yet this year so it hasn't been put to the test but the heat has kicked on a couple times and worked.

Privateaero

 

[gardenlover]

PrivateAero, how many watts in your room, what i mean is is it 4x1000 watt or 4x600 watt? I am debating on where to put my new 2 ton Gree, I need to finish my bloom room yet and will take a while and was going to install there, however I have girls that need to be bloomed ASAP any my veg room is compete and was going to start blooming in there but did not plan to o much Heat pump style cooling bc I am running all T5's and maybe 1 400 ceramic metal halide to transition and for taller girls who need deep penitatration (lol he said 'deep penetration') anyway was going to take down my t5's and run 4-600 watt hide plus 2 400 watt hids, in vented hoods and with the ballast outside the room so was contemplating putting the 2-ton in there bc I also need to purchase a few more mini splits to run the 8000 watt bloom room of 12'x16' so figure I will need around 4 tons alone just for that room. just trying to get a feel for how its gonna work, bc when I go back to veg, 2-ton will be way overkill for a 10'x10' room with t5's....I have another veg room with much lower ceilings than 7' and was gonna run a fan between the two to try and keep them at veg room humid and temps, and maybe put thermostats and humidistats on the fans to fine tune one of the rooms to be a bit hotter or more humid.... please anyone who has any suggestions, I listen to any and all ideas new growers and old!

 

[Asslover]

The 2 ton can easily be moved when you're ready to fire up 8k watts. And for the 8K room, I would put two 2 ton units, each head mounted opposite each other. Two smaller units are more efficient than one big unit, and if one unit goes down the other will keep you from losing your crop.. I just installed two 1 ton units in a 10 x 10 with 4k watts (4 x1000).

 

[the gnome]

solid advice Mr Ass,
I'll tell ya I am L-o-v-i-n-g my 2ndary back up unit.
my ac bill actually dropped significantly because of the efficiency running 2 units,

no more spiking the stat down to 70 to maintain 77F
and in the sweaty dripping middle of august blistering hot ass florida summer i actually get chills when i go inside the bloom room and it's a cool 74F

 

[HenDokuYaku]

just wanted to note now that im done with my build and everything... 36k btu mr. slim is not enough cooling for 6 lights in a sealed room

What did you end up using to cool your room if the 3ton wasn't enough for 6 lights? That goes against all the 5k btu per light. I think I have had a similar experience.

 

[ceosam]

What did you end up using to cool your room if the 3ton wasn't enough for 6 lights? That goes against all the 5k btu per light. I think I have had a similar experience.

came here to update everyone on my situation... the temps kept rising so i went watched a video on how to clean the coils and fan motor. they were just squirting water in there.

so i looked at mine --- what i thought was ice was actually dried putty that had accumulated when sanding unfinished drywall

SO i took a hose with full pressure shot it up into the fan motor and coils... A TON OF SHIT CAME OUT. just flooded on the floor (pond lined) and sucked it up with a shop vac... i turn all 6 flights on super lumen and i wake up to 70*f

lesson learned... but at least i can sleep

 

[Catatafish]

Oh man anytime you are sanding drywall you need to cover everything up. That crap will get into everything and screw it up. Especially anything electronic that has a fan.

 

[the gnome]

Oh man anytime you are sanding drywall you need to cover everything up. That crap will get into everything and screw it up. Especially anything electronic that has a fan.

X10
yeah...............sheet rock dust will do it every time.t
ceosam's post would be a great one for the mini split not cooling like it use to thraed

 

[skwirl]

I actually live near GRANGER's west coast outlet. I'm also

looking for an AC/Heat unit. I wanna know if a 24k unit would cool a room 11x13 with a 10 ft. ceiling>

Garden has 6 1000 watt air cooled SunSystem 8" AC-DE's. I've got 6 Gavita ballasts. Sounds hot but the SunSystem hoods are actually cooler than my prior hoods...6" HydroFarm Radiants

The lights are vented seperate from the room and it really doesn't get that hot. Growroom has a northerly facing wall. All the others are surrounded by the house and the garage ie very temperate

 

[randomgrower420]

I have a couple mini split questions.

1. Can a multizone mini split be used to heat/cool a veg and a flower room. Someone was telling me you can but the problem is the mini split can only heat or cool it CANNOT heat a veg room and cool a flower room.

2. Would i be correct in understanding that:
Gavita 600/750 3,300btu
gavita 1k 4,000btu
1k single ended bulb 4,000btu
1k single ended air cooled 3,000btu

Basically i have a 6k single ended open hood setup. So i would need 24,000btu just to cool the lights. A 24,000btu mini split would basically run full throttle all the time.

But if i switched to 6 750 watt gavita i would need (6*3300) 19,8000btu to cool or 21,000btu on max 825 setting.

My co2 is from a tank and i can mount the dehumidifier outside the room and duct it inside.

3. Could i get by for a run with the open 1k bulbs and a 24,000btu mini split then switch to the 750 watt gavita and the split wouldnt work as hard?

Id really like to get the frederich Breeze but dont want to waste my time and money trying to deal with a split that is just to small

 

[randomgrower420]

I actually live near GRANGER's west coast outlet. I'm also

looking for an AC/Heat unit. I wanna know if a 24k unit would cool a room 11x13 with a 10 ft. ceiling>

Garden has 6 1000 watt air cooled SunSystem 8" AC-DE's. I've got 6 Gavita ballasts. Sounds hot but the SunSystem hoods are actually cooler than my prior hoods...6" HydroFarm Radiants

The lights are vented seperate from the room and it really doesn't get that hot. Growroom has a northerly facing wall. All the others are surrounded by the house and the garage ie very temperate

what ended up working for you?

 

[whadeezlrg]

I have a couple mini split questions.

1. Can a multizone mini split be used to heat/cool a veg and a flower room. Someone was telling me you can but the problem is the mini split can only heat or cool it CANNOT heat a veg room and cool a flower room.

2. Would i be correct in understanding that:
Gavita 600/750 3,300btu
gavita 1k 4,000btu
1k single ended bulb 4,000btu
1k single ended air cooled 3,000btu

Basically i have a 6k single ended open hood setup. So i would need 24,000btu just to cool the lights. A 24,000btu mini split would basically run full throttle all the time.

But if i switched to 6 750 watt gavita i would need (6*3300) 19,8000btu to cool or 21,000btu on max 825 setting.

My co2 is from a tank and i can mount the dehumidifier outside the room and duct it inside.

3. Could i get by for a run with the open 1k bulbs and a 24,000btu mini split then switch to the 750 watt gavita and the split wouldnt work as hard?

Id really like to get the frederich Breeze but dont want to waste my time and money trying to deal with a split that is just to small

not sure about #1, but it would make sense that both interior units are either cooling or both heating...it would be worth a phone call to the manufacturer imho.

#2- I personally believe some of your figures are a bit conservative, but I also live in the SW where it's absolutely mandatory to take into account standard cooling needs in addition to grow related added heat.

look for an INVERTER type a/c, they use less power by staying on all the time- think tortoise and the hare...which may also inadvertently allow you to decrease dehumidifier use.

I'm going to be installing a 2 ton inverter mini in my container within the next 6 months or so and 6- gavita 600/750 flex's (not totally sure of the a/c brand yet, but I'm looking for the highest SEER that I can get at a reasonable price)...I want the extra cooling capacity, but the inverter type ac effectively can run your 2ton as 1.5 tons if that's all that is required.

just my understanding, and I'm no a/c tech.

 

[the gnome]

I have a couple mini split questions.

Basically i have a 6k single ended open hood setup. So i would need 24,000btu just to cool the lights. A 24,000btu mini split would basically run full throttle all the time.


Id really like to get the frederich Breeze but dont want to waste my time and money trying to deal with a split that is just to small

for every 1000w of non-cooled lites you need 5000btu of AC.
this covers the equipment in the room.
so for 6000w you need 30,000btu AC.
last year i went with 6000w and a 32,500btu mr slim.
it does the job but the room is 20ft long and mini splits tube blowers don' have enuff oomph to efficiently push the cool air to the far end with all the hoods and stuff hanging from the ceiling

placing a few fans to helped get the air to the back of the room.
i wanted a back up mini split in case mine went down and to add a few more lamps so picked up a freidrich 24,000btu breeze.
the breeze is a very good buy and the quick connect self hook-up line set is... a breeze


knowing what i know now about mini splits blower and prob cooling a room 20ft long
i would at the very least get a dual zone mini to minimize hot spots,
OR preferably...
go with another unit and you'll have back up insurance, this was very important for me